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ℵ₀ 🏳️‍⚧️🏴‍☠️<a href="https://www.rfidjournal.com/news/fcc-considers-alternatives-to-satellite-based-gps-for-900-mhz-bandwidths/223090/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.rfidjournal.com/news/fcc-considers-alternatives-to-satellite-based-gps-for-900-mhz-bandwidths/223090/</a><a href="https://meshtastic.org/blog/meshtastic-opposition-to-nextnav-proposed-changes/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://meshtastic.org/blog/meshtastic-opposition-to-nextnav-proposed-changes/</a><a href="https://locationbusinessnews.substack.com/p/spectrum-dispute-heats-up-as-ibtta" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://locationbusinessnews.substack.com/p/spectrum-dispute-heats-up-as-ibtta</a><a href="https://mastodon.social/tags/nextnav" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#nextnav</a> <a href="https://mastodon.social/tags/meshtastic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#meshtastic</a> <a href="https://mastodon.social/tags/900mhz" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#900mhz</a> <a href="https://mastodon.social/tags/UHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UHF</a> <a href="https://mastodon.social/tags/RAIN" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#RAIN</a> <a href="https://mastodon.social/tags/RFID" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#RFID</a> <a href="https://mastodon.social/tags/900mhzband" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#900mhzband</a> <a href="https://mastodon.social/tags/ISMband" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ISMband</a> <a href="https://mastodon.social/tags/part15" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#part15</a> <a href="https://mastodon.social/tags/FCC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#FCC</a> <a href="https://mastodon.social/tags/radio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#radio</a> <a href="https://mastodon.social/tags/33cmband" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#33cmband</a> <a href="https://mastodon.social/tags/33cm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#33cm</a> <a href="https://mastodon.social/tags/uspol" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#uspol</a>

Bryan King (W8DBK)🚀 New to Ham Radio? Master VHF and UHF the easy way with our full beginner guide! 📡 Learn gear, repeaters, propagation, and pro tips to crush the airwaves. <a href="https://mastodon.social/tags/HamRadio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HamRadio</a> <a href="https://mastodon.social/tags/VHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#VHF</a> <a href="https://mastodon.social/tags/UHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UHF</a><a href="https://bdking71.wordpress.com/2025/05/28/unlocking-the-secrets-of-vhf-and-uhf-what-every-future-ham-radio-operator-absolutely-must-know/?utm_source=mastodon&utm_medium=jetpack_social" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://bdking71.wordpress.com/2025/05/28/unlocking-the-secrets-of-vhf-and-uhf-what-every-future-ham-radio-operator-absolutely-must-know/?utm_source=mastodon&utm_medium=jetpack_social</a>

Bryan KingUnlocking the Secrets of VHF and UHF: What Every Future Ham Radio Operator Absolutely Must Know1,652 words, 9 minutes read time.When you first step into the world of amateur radio, it feels a little like stepping onto another planet. There’s a whole language, culture, and way of thinking you have to learn. For guys gearing up to grab their first Amateur Radio License, getting a solid grip on the basics of VHF and UHF is a massive stepping stone. Even if your goal isn’t to become the next big contest operator or emergency comms wizard, understanding VHF (Very High Frequency) and UHF (Ultra High Frequency) will not only make you a better operator—it will set you up for success when you eventually take that license test. This guide is built to walk you through the essentials, without overwhelming you with overly technical jargon or theory you don’t need yet. We’re here to talk in plain English and get you prepared the smart way.Starting from square one, VHF and UHF are simply sections of the radio frequency spectrum. VHF spans from 30 to 300 MHz, while UHF covers from 300 MHz to 3 GHz. Think of VHF like your favorite FM radio stations and UHF like your Wi-Fi router at home. These ranges aren’t random either—they’re carefully allocated by international agreements to prevent chaos on the airwaves. As ARRL (American Radio Relay League) clearly states in their guide on Frequency Allocations, amateurs are granted specific slices of these bands to experiment and communicate within. That permission is part of what makes the Ham Radio world such a special playground for technical exploration.You already interact with VHF and UHF more often than you realize. Your car’s FM radio uses VHF. Those old rooftop TV antennas? VHF. Walkie-talkies and some cordless phones? UHF. If you’ve ever picked up a police scanner or tuned into a local weather broadcast, congratulations—you’ve brushed shoulders with these frequency bands already. This real-world familiarity makes amateur radio on VHF and UHF more intuitive than you might think.In the amateur world, VHF and UHF are typically the first playgrounds new Hams explore. You’ll use these frequencies to talk to local operators in your town, hit repeaters mounted on tall towers, and even participate in emergency communication events. Groups like ARES (Amateur Radio Emergency Service) and RACES (Radio Amateur Civil Emergency Service) heavily rely on VHF and UHF during disasters because of their reliability and reach. According to Ham Radio School, VHF and UHF are especially useful for local, regional, and tactical communications when other systems fail.The major differences between VHF and UHF come down to how the signals behave. VHF signals tend to travel farther across open land and over water but can struggle getting through urban environments packed with buildings. UHF signals, while typically not traveling as far horizontally, can sneak through small openings like windows and doorways much more effectively, making them kings of the concrete jungle. In a post on Ham Radio Prep, it’s highlighted that “VHF is better for outdoors and rural settings, while UHF wins in crowded cities.” Knowing this can save you a lot of headaches when you start deciding which bands to use based on where you’re operating.As you start thinking about gear, it’s easy to get overwhelmed with choices, but keep it simple at first. Most newcomers start with a basic handheld transceiver—commonly called an HT. Brands like Baofeng, Yaesu, and Icom offer beginner-friendly models that cover both VHF and UHF bands. According to a detailed breakdown from DX Engineering, handheld radios are inexpensive, lightweight, and perfect for getting your feet wet. If you plan to operate from your car or home, you might later upgrade to a mobile radio with more power output (often 50 watts or more), but that’s a step you can take when you’re ready.Antennas are the unsung heroes of your radio setup. A basic rubber duck antenna will get you started on an HT, but upgrading to a better whip antenna or even a small external antenna can make a huge difference. As OnAllBands explains, “In radio, the antenna is just as important—if not more important—than the radio itself.” A few extra feet of height on your antenna can sometimes outperform doubling your transmitter power. Speaking of which, don’t overlook the coaxial cable connecting your antenna to your radio. Cheap coax can introduce significant signal loss, especially at UHF frequencies. Start with good quality coax like RG-8X or LMR-240 and you’ll thank yourself later.When you first get on the air, you’ll probably make most of your contacts through repeaters. A repeater is essentially a high-powered radio station, usually on top of a tall building or mountain, that listens on one frequency and retransmits your signal on another. Repeaters extend the range of handheld and mobile radios dramatically. The ARRL’s Repeater Directory is a great resource to find active repeaters in your area. You’ll often hear terms like “offset” and “PL tone” associated with repeaters. Offsets are simply the difference between the receive and transmit frequencies, while PL (Private Line) tones are subaudible tones that allow a repeater to filter out unwanted signals. These are easy to program into most modern radios once you understand the basics.Understanding propagation is key to mastering VHF and UHF. Propagation simply refers to how radio waves travel from one point to another. Unlike HF (High Frequency) bands where signals can bounce off the ionosphere and travel thousands of miles, VHF and UHF signals typically travel “line-of-sight.” This means that if a mountain, hill, or large building is between you and the other operator, you might have trouble making contact. As the Ham Radio License Exam guide points out, “height is might” when it comes to VHF/UHF. The higher your antenna, the farther you’ll likely reach.Operating practices in the VHF/UHF world are straightforward but vital. Always listen before transmitting to avoid accidentally stepping on someone else’s conversation. When making a call, keep it simple: just announce your call sign and state that you’re monitoring. An example might be, “This is K5XYZ, monitoring.” If someone responds, you’re off to the races. If not, no big deal—try again later. Good operating etiquette also means respecting other operators, avoiding excessive chatter on repeaters during busy times, and using simplex (direct) frequencies when appropriate to keep repeater traffic light.One of the smartest moves you can make as a new Ham is participating in local nets. Nets are scheduled radio meetings, often organized by clubs or emergency groups, where operators check in and practice their skills. Finding a net is easy thanks to directories like QRZ Now or by simply asking around on your local repeater. Nets are welcoming to newcomers and offer a fantastic way to build confidence behind the microphone.As you start transmitting, you’ll run into some common pitfalls. One of the biggest is overestimating your radio’s abilities. A 5-watt handheld radio won’t punch through a dense city skyline or thick forest without help from a repeater or external antenna. Another classic beginner mistake is forgetting to properly program your radio. While manual programming is a great skill to have, many new Hams use free software like CHIRP to make the job much easier. As KB6NU’s blog points out, getting comfortable with radio programming early on will save you a lot of frustration.You might also be tempted to “upgrade” your setup with higher power or expensive gear too soon. Resist the urge. Spend your early months getting experience with what you have. Understanding your local terrain, local nets, and your own equipment quirks will make you a much better operator than simply buying bigger radios. Plus, learning to squeeze performance from a modest setup will pay dividends if you ever decide to move into emergency communications or portable operating.There’s a fascinating future for VHF and UHF too. In an article by RadioWorld, experts discuss how new digital technologies, improved satellite communications, and even emergency alert systems are being built around VHF/UHF frequencies. These bands are not relics of the past—they’re alive, growing, and becoming more important than ever in a connected world.In the end, mastering VHF and UHF isn’t just about passing a license test. It’s about learning the language of local communication. It’s about being able to reach out during an emergency when the cell towers are down. It’s about making new friends, participating in community events, and building technical skills that can lead to even bigger adventures like satellite communications, digital voice modes, and long-range contesting.If you’ve made it this far, you’re already well ahead of most people starting their Ham Radio journey. Keep studying, keep listening, and most importantly—get on the air and practice. The airwaves are waiting for you, and so is an incredible community of operators eager to make that first contact with you.Before you go, make sure to subscribe to our newsletter so you never miss helpful guides like this one! Also, we’d love to hear your experiences or questions—join the conversation by leaving a comment below. Let’s get you on the air, confident and ready! D. Bryan King Sources<ul><li><a href="https://www.arrl.org/what-is-ham-radio" rel="nofollow noopener noreferrer" target="_blank">ARRL: What is Ham Radio?</a></li><li><a href="https://www.arrl.org/frequency-allocations" rel="nofollow noopener noreferrer" target="_blank">ARRL: Frequency Allocations</a></li><li><a href="https://www.hamradioschool.com/post/uhf-and-vhf-propagation-basics" rel="nofollow noopener noreferrer" target="_blank">Ham Radio School: UHF and VHF Propagation Basics</a></li><li><a href="https://www.hamradioprep.com/what-is-vhf-uhf/" rel="nofollow noopener noreferrer" target="_blank">Ham Radio Prep: What is VHF and UHF?</a></li><li><a href="https://www.dxengineering.com/techarticles/amateurfunkbasics/vhfuhfradiosforamateuruse" rel="nofollow noopener noreferrer" target="_blank">DX Engineering: VHF/UHF Radios for Amateur Use</a></li><li><a href="https://qrznow.com/vhf-and-uhf-simplex-communications/" rel="nofollow noopener noreferrer" target="_blank">QRZ Now: VHF and UHF Simplex Communications</a></li><li><a href="https://www.hamradiolicenseexam.com/vhf-uhf-propagation.htm" rel="nofollow noopener noreferrer" target="_blank">Ham Radio License Exam: VHF/UHF Propagation</a></li><li><a href="https://www.hamuniverse.com/simplexrepeater.html" rel="nofollow noopener noreferrer" target="_blank">Ham Universe: What is a Simplex Repeater?</a></li><li><a href="https://www.icomamerica.com/en/amateur/handhelds/understandingvhfuhf.aspx" rel="nofollow noopener noreferrer" target="_blank">ICOM America: Understanding VHF/UHF</a></li><li><a href="https://www.arrl.org/repeaters" rel="nofollow noopener noreferrer" target="_blank">ARRL: Find Repeaters</a></li><li><a href="https://www.radioworld.com/news-and-business/what-is-the-future-for-vhfuhf-radio" rel="nofollow noopener noreferrer" target="_blank">RadioWorld: Future of VHF/UHF Radio</a></li><li><a href="https://www.hamradiosecrets.com/vhf-radio-communication.html" rel="nofollow noopener noreferrer" target="_blank">Ham Radio Secrets: VHF Radio Communication</a></li><li><a href="https://www.qsl.net/n9zia/wireless/intro-to-uhf-vhf.html" rel="nofollow noopener noreferrer" target="_blank">QSL.net: Introduction to VHF/UHF Wireless Communications</a></li><li><a href="https://www.kb6nu.com/vhfuhf-communications/" rel="nofollow noopener noreferrer" target="_blank">KB6NU’s Ham Radio Blog: VHF/UHF Communications</a></li><li><a href="https://www.onallbands.com/vhf-uhf-antenna-basics/" rel="nofollow noopener noreferrer" target="_blank">OnAllBands: VHF/UHF Antenna Basics</a></li></ul>Disclaimer:The views and opinions expressed in this post are solely those of the author. The information provided is based on personal research, experience, and understanding of the subject matter at the time of writing. Readers should consult relevant experts or authorities for specific guidance related to their unique situations. 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href="https://bdking71.wordpress.com/tag/vhf-propagation/" target="_blank">#VHFPropagation</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://bdking71.wordpress.com/tag/vhf-radio/" target="_blank">#VHFRadio</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://bdking71.wordpress.com/tag/vhf-simplex/" target="_blank">#VHFSimplex</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://bdking71.wordpress.com/tag/vhf-uhf-basics/" target="_blank">#VHFUHFBasics</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://bdking71.wordpress.com/tag/vhf-uhf-communication-2/" target="_blank">#VHFUHFCommunication</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://bdking71.wordpress.com/tag/vhf-uhf-differences/" target="_blank">#VHFUHFDifferences</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://bdking71.wordpress.com/tag/vhf-uhf-propagation/" target="_blank">#VHFUHFPropagation</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://bdking71.wordpress.com/tag/vhf-uhf-repeaters/" target="_blank">#VHFUHFRepeaters</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://bdking71.wordpress.com/tag/vhf-vs-uhf/" target="_blank">#VHFVsUHF</a>

Kevin Karhan :verified:<a href="https://cr8r.gg/@kallemp" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@kallemp</a> I didn't bother with <a href="https://infosec.space/tags/LoRa" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LoRa</a> due to it being patented and <a href="https://infosec.space/tags/Meshtastic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Meshtastic</a> for tending to pollute <a href="https://infosec.space/tags/ISM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ISM</a> spectrum.Also <a href="https://infosec.space/tags/CEPT" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CEPT</a> does have data channels on <a href="https://infosec.space/tags/CB" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CB</a> radio that are allowed to be used.<ul><li>Given the low duty cycle, I'd say it's worth using said <a href="https://infosec.space/tags/LicensingFree" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LicensingFree</a> channels. Espechally since the only "regulated" part are transmitters and those are just transparent cheap boxes, so <a href="https://infosec.space/tags/AFSK" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AFSK</a> will be fine.</li></ul>OFC one could use this across any spectrum or means, ranging from WSJT - moonbouncing at extreme narrowband and high frequences to <a href="https://infosec.space/tags/UHFSATCOM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UHFSATCOM</a> radio piracy. Obviously I disrecommend the latter for legal reasons!<ul><li>OFC one could also use it across i.e. <a href="https://infosec.space/tags/Iridium" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Iridium</a> and other <a href="https://infosec.space/tags/SATCOM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SATCOM</a> and regular <a href="https://infosec.space/tags/VHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#VHF</a> & <a href="https://infosec.space/tags/UHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UHF</a> radios or even just print messages as QR-Codes...</li></ul>

Chipbond Technology🔷 UHF RFID Ceramic CardLooking for high-performance, tamper-proof RFID solutions?✅ Key Features:· Built-in UHF chip with high read/write stability and sensitivity· Tamper-evident, break-on-removal design· Durable ABS housing + ceramic substrate for heat resistance and long-range performance· Custom printing supported — FREE design✨ Get in touch to request samples or discuss your custom requirements! 📩 info@chipbond.com 🌐 www.chipbond.com<a href="https://mastodon.social/tags/RFID" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#RFID</a> <a href="https://mastodon.social/tags/UHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UHF</a> <a href="https://mastodon.social/tags/RFIDCards" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#RFIDCards</a> <a href="https://mastodon.social/tags/Ceramic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Ceramic</a> <a href="https://mastodon.social/tags/CHIPBOND" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CHIPBOND</a>

DF5GOSmall scale portable participation in the <a href="https://radiosocial.de/tags/VHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#VHF</a> <a href="https://radiosocial.de/tags/UHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UHF</a> <a href="https://radiosocial.de/tags/contest" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#contest</a> in unpleasant weather yielded in 17 QSOs on <a href="https://radiosocial.de/tags/2m" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#2m</a> and 5 QSOs on <a href="https://radiosocial.de/tags/70cm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#70cm</a>. <a href="https://radiosocial.de/tags/hamradio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#hamradio</a> <a href="https://radiosocial.de/tags/amateurradio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#amateurradio</a> <a href="https://radiosocial.de/tags/amateurfunk" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#amateurfunk</a> <a href="https://radiosocial.de/tags/draussenfunken" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#draussenfunken</a>

Philipp DK3IPI’m currently working with the <a href="https://social.darc.de/tags/DM7A" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DM7A</a> team from JO60OM (Hirtstein in the <a href="https://social.darc.de/tags/OreMountains" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#OreMountains</a>) in the <a href="https://social.darc.de/tags/DARC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DARC</a> <a href="https://social.darc.de/tags/vhf" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#vhf</a> <a href="https://social.darc.de/tags/uhf" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#uhf</a> <a href="https://social.darc.de/tags/shf" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#shf</a> <a href="https://social.darc.de/tags/contest" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#contest</a> - we are <a href="https://social.darc.de/tags/QRV" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#QRV</a> on <a href="https://social.darc.de/tags/2m" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#2m</a> <a href="https://social.darc.de/tags/70cm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#70cm</a> <a href="https://social.darc.de/tags/23cm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#23cm</a> and up. There is still plenty of time to work us. Just ask for a <a href="https://social.darc.de/tags/sked" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#sked</a> on ON4KST <a href="https://social.darc.de/tags/chat" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#chat</a>. The weather is getting better again… <a href="https://social.darc.de/tags/HamRadio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HamRadio</a> <a href="https://social.darc.de/tags/Amateurfunk" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Amateurfunk</a> <a href="https://social.darc.de/tags/ssb" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ssb</a> <a href="https://social.darc.de/tags/cw" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#cw</a> <a href="https://social.darc.de/tags/S07" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#S07</a> <a href="https://social.darc.de/tags/iaru" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#iaru</a>

SvenWatching 1983's <a href="https://mastodon.social/tags/SomethingWickedThisWayComes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SomethingWickedThisWayComes</a>, not as good as I remembered it when I saw it on <a href="https://mastodon.social/tags/UHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UHF</a>. Still pretty good.<a href="https://mastodon.social/tags/RayBradbury" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#RayBradbury</a>

Jack TaylorMany modern <a href="https://mastodon.social/tags/UHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UHF</a> <a href="https://mastodon.social/tags/radios" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#radios</a> 📡 are water-resistant 💧, dust-proof 🏗️, and shock-resistant 💥, making them suitable for industrial settings 🏭, outdoor operations 🌲, construction sites 🚧, and other demanding environments. Their battery life 🔋 often exceeds that of smartphones 📱, particularly in standby mode ⏳ <a href="https://www.availableonline.com.au/uhf-radios-technology-applications-and-advantages/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.availableonline.com.au/uhf-radios-technology-applications-and-advantages/</a>

50+ Music"Smells Like Nirvana" is a song parody written and performed by American musician "Weird Al" Yankovic. A parody of <a href="https://mastodon.online/tags/Nirvana" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Nirvana</a>'s song "<a href="https://mastodon.online/tags/SmellsLikeTeenSpirit" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SmellsLikeTeenSpirit</a>", it was released as the <a href="https://mastodon.online/tags/leadSingle" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#leadSingle</a> from Yankovic's <a href="https://mastodon.online/tags/OffTheDeepEnd" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#OffTheDeepEnd</a> album in April 1992. "Smells Like Nirvana" was written during a three-year career low for Yankovic after the financial failure of his film <a href="https://mastodon.online/tags/UHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UHF</a>, but captured the quickly-rising popularity of <a href="https://mastodon.online/tags/grunge" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#grunge</a> and Nirvana's success. <a href="https://www.youtube.com/watch?v=za_tJxcZXtY" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.youtube.com/watch?v=za_tJxcZXtY</a>

M0KHRI might learn one or two things I guess <a href="https://mastodon.radio/tags/VHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#VHF</a> <a href="https://mastodon.radio/tags/UHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UHF</a>

Aaron John Dizon<a href="https://dragonscave.space/@sillyblindharper" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@sillyblindharper</a> yeah, based on my search, you also have <a href="https://caneandable.social/tags/UHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UHF</a> <a href="https://caneandable.social/tags/CB" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CB</a> there. and it is license free. I really envy you. i wish i am on an english speaking country. :-)

Aaron John Dizonwow, just found out that in <a href="https://caneandable.social/tags/Australia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Australia</a> they have <a href="https://caneandable.social/tags/UHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UHF</a> <a href="https://caneandable.social/tags/CB" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CB</a>. i've watched videoes on youtube and people are very active on the radio there. i wish there is a similar service here in <a href="https://caneandable.social/tags/Italy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Italy</a> where people are very active on the radio and you can just talk to anyone. now, when i get a chance to visit there in the future, first thing i'll buy after ariving is a UHB CB Radio. :-)<a href="https://caneandable.social/tags/Radio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Radio</a> <a href="https://caneandable.social/tags/HamRadio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HamRadio</a> <a href="https://caneandable.social/tags/AmateurRadio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AmateurRadio</a> <a href="https://caneandable.social/tags/DY1AJD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DY1AJD</a>

Digitale Linke<a href="https://linke.social/tags/DigitalOnly" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DigitalOnly</a> <a href="https://linke.social/tags/digitalzwang" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#digitalzwang</a>, <a href="https://social.bund.de/@bfdi" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@bfdi</a> in Datennutzungsbehörde umbenennen, Informationsfreiheitsgesetz schleifen statt "offene Daten nützen, private Daten schützen", <a href="https://linke.social/tags/UHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UHF</a> Frequenzen für Militär. Nix zu: <a href="https://linke.social/tags/digitaleGewalt" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#digitaleGewalt</a> gegen Frauen, gegen <a href="https://linke.social/tags/spyware" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#spyware</a>, zu <a href="https://linke.social/tags/Reparatur" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Reparatur</a> Energiesparen u zu OpenSource bei <a href="https://linke.social/tags/cloud" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#cloud</a> - so wird aktuell für <a href="https://linke.social/tags/schwarzrot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#schwarzrot</a> KoaV diskutiert! <a href="https://mastodon.social/@SPDde" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@SPDde</a> bitte wenigstens anti- Werbetracking u Schutz von Verschlüsselung durchsetzen!! Doku auf <a href="https://chaos.social/@fragdenstaat" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@fragdenstaat</a> <a href="https://fragdenstaat.de/artikel/exklusiv/2025/03/koalitionsverhandlungen-cducsuspd/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://fragdenstaat.de/artikel/exklusiv/2025/03/koalitionsverhandlungen-cducsuspd/</a> <a href="https://linke.social/tags/merz" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#merz</a>

Aaron V. Humphrey<a href="https://mindly.social/@bborn" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@bborn</a> <a href="https://aus.social/@MarkIngs" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@MarkIngs</a> <a href="https://aus.social/@dgar" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@dgar</a> <a href="https://writing.exchange/@Bishopjoey" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@Bishopjoey</a> <a href="https://metalhead.club/@AqiDrago" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@AqiDrago</a> <a href="https://mastodon.murkworks.net/tags/AlternateFridayMusic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AlternateFridayMusic</a> Feb 28 2025 the word is "Elevate"Artist: UHF Album: UHF II (1994) Song: Lifting My Heart<a href="https://www.youtube.com/watch?v=Bmo5O8V7MWY" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.youtube.com/watch?v=Bmo5O8V7MWY</a>('Cause "lift" is like "elevate", right? Hey, man, some words are hard.)UHF was a "Canadian folk music supergroup", according to Wikipedia. The name stands for Shari Ulrich (who had some great albums in the 80s), Bill Henderson from Chilliwack (who had a few great singles, at least), and Roy Forbes (who apparently was also known as "Bim").This song is dominated by a lovely skipping guitar line and Forbes's distinctive high vocals (is that falsetto? Head voice?) and is relentlessly catch. It certainly lifts, or elevates, my heart.<a href="https://mastodon.murkworks.net/tags/music" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#music</a> <a href="https://mastodon.murkworks.net/tags/UHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UHF</a>

Bryan KingBasic Electronics for the Amateur Radio Operator: What You Need to Know for Your Technician License1,003 words, 5 minutes read time.If you’re preparing for the Amateur Radio Technician License Exam, understanding basic electronics is a must. While you don’t need to be an electrical engineer, the exam includes fundamental concepts like Ohm’s Law, circuits, components, and RF safety. This guide will walk you through the essential topics, ensuring you’re ready for the test and your first steps as a ham radio operator.Understanding Electricity: The Basics for Amateur RadioElectricity is the movement of electrons through a conductor, like a wire. Three key electrical properties define how electricity behaves:<ul><li>Voltage (V) is the force that pushes electrons through a circuit. It’s measured in volts (V).</li><li>Current (I) is the flow of electrons, measured in amperes (A).</li><li>Resistance (R) opposes the flow of electricity and is measured in ohms (Ω).</li></ul>These three are tied together by Ohm’s Law, a fundamental equation in electronics:V=I×RThis means if you know any two values, you can calculate the third. Understanding this equation is critical for both the exam and real-world troubleshooting.Direct Current (DC) vs. Alternating Current (AC)Electricity comes in two forms:<ul><li>Direct Current (DC) flows in one direction. Batteries and solar panels produce DC.</li><li>Alternating Current (AC) changes direction many times per second. Household electricity is AC because it’s more efficient for transmission over long distances.</li></ul>For amateur radio, most equipment runs on DC power, but you’ll also need to understand AC because radio signals are alternating currents that oscillate at high frequencies.Essential Electronic Components and Their FunctionsSeveral key electronic components appear on the Technician Exam. Here’s what they do:<ul><li>Resistors limit current flow.</li><li>Capacitors store and release energy, often used in filtering circuits.</li><li>Inductors store energy in magnetic fields and are important in tuning circuits.</li><li>Diodes allow current to flow in only one direction, useful in rectifier circuits that convert AC to DC.</li><li>Transistors act as switches and amplifiers in radio circuits.</li></ul>Understanding these basics helps you answer questions about circuit behavior and troubleshooting.Series and Parallel CircuitsCircuits are made up of components arranged in either series or parallel:<ul><li>In a series circuit, current flows through all components one after another. The same current passes through each, but the voltage is divided.</li><li>In a parallel circuit, components share the same voltage, but the current divides among them.</li></ul>For the exam, you should know how voltage, current, and resistance behave in each type of circuit. For example, total resistance in a series circuit is the sum of all resistances, while in parallel circuits, total resistance is lower than the smallest individual resistor.Basic AC Concepts and FrequencyRadio waves are AC signals that oscillate at different frequencies. Frequency (f) is measured in hertz (Hz) and tells us how many times per second the wave changes direction. One kilohertz (kHz) is 1,000 Hz, and one megahertz (MHz) is 1,000,000 Hz.Ham radios operate in different frequency bands, such as:<ul><li>VHF (Very High Frequency): 30 MHz – 300 MHz (e.g., 2-meter band)</li><li>UHF (Ultra High Frequency): 300 MHz – 3 GHz (e.g., 70-centimeter band)</li></ul>Higher frequencies allow for shorter antennas and are good for local communication, while lower frequencies travel further.Modulation: How We Send Information Over Radio WavesModulation is how a radio wave (carrier wave) carries information. The Technician Exam covers three main types:<ul><li>Amplitude Modulation (AM): The signal strength (amplitude) changes with the voice signal.</li><li>Frequency Modulation (FM): The frequency of the wave changes to encode information. FM is more resistant to noise and is commonly used in VHF and UHF bands.</li><li>Single Sideband (SSB): A variation of AM that uses less bandwidth and is more efficient for long-distance communication.</li></ul>Knowing these helps when selecting modes for different types of contacts.Power, Batteries, and SafetyMost ham radios run on 12V DC power sources, such as batteries or regulated power supplies. It’s important to understand:<ul><li>Battery safety: Overcharging or short-circuiting batteries (especially lithium-ion) can be dangerous.</li><li>Fuse protection: Many radios have built-in fuses to prevent excessive current draw.</li></ul>Another key topic on the test is RF exposure safety. High-power transmissions can generate strong radio frequency (RF) radiation, which may cause health risks. To minimize exposure:<ul><li>Maintain a safe distance from transmitting antennas.</li><li>Use the lowest power necessary for effective communication.</li><li>Follow FCC RF exposure limits for your frequency and power level.</li></ul>Ohm’s Law in Real-World Ham Radio ApplicationsA common exam question might involve calculating current or voltage using Ohm’s Law. For example:Question: If a radio operates at 12V and draws 2A of current, what is the resistance?Using Ohm’s Law:<a href="https://bdking71.wordpress.com/wp-content/uploads/2025/02/screenshot-from-2025-02-12-15-36-53.png" rel="nofollow noopener noreferrer" target="_blank"></a>Understanding these calculations can help with troubleshooting and designing circuits.Final Thoughts: Studying for the Exam and BeyondThe Technician License Exam covers these topics, but learning electronics doesn’t stop there. Once licensed, you’ll continue exploring concepts like antenna design, signal propagation, and digital communication.Great resources for studying include:<ul><li>ARRL’s Technician Class License Manual: The official guide with explanations and practice questions.</li><li>HamStudy.org: Free practice tests and flashcards.</li><li>QRZ.com Practice Exams: Simulated tests with real exam questions.</li></ul>By mastering these basic electronics concepts, you’ll be well on your way to passing the exam and starting your journey in amateur radio. Keep practicing, get hands-on experience, and soon, you’ll be making contacts on the air! D. Bryan King Sources<ul><li><a href="https://www.arrl.org/" rel="nofollow noopener noreferrer" target="_blank">American Radio Relay League (ARRL) – Official Site</a></li><li><a href="https://www.fcc.gov/wireless/bureau-divisions/mobility-division/amateur-radio-service" rel="nofollow noopener noreferrer" target="_blank">FCC Amateur Radio Service – Licensing and Regulations</a></li><li><a href="https://www.qrz.com/" rel="nofollow noopener noreferrer" target="_blank">QRZ.com – Amateur Radio Callsign Database</a></li><li><a href="https://hamstudy.org/" rel="nofollow noopener noreferrer" target="_blank">HamStudy.org – Exam Prep and Study Tools</a></li><li><a href="https://www.electronics-tutorials.ws/" rel="nofollow noopener noreferrer" target="_blank">Electronics Tutorials – Basic Circuit Theory</a></li><li><a href="https://www.radioreference.com/" rel="nofollow noopener noreferrer" target="_blank">RadioReference.com – Frequency Database and Scanner Information</a></li><li><a href="https://www.amsat.org/" rel="nofollow noopener noreferrer" target="_blank">AMSAT – Amateur Radio Satellites and Space Communications</a></li><li><a href="https://www.dxengineering.com/" rel="nofollow noopener noreferrer" target="_blank">DX Engineering – Ham Radio Equipment and Resources</a></li><li><a href="https://www.mikroe.com/learn/electronics" rel="nofollow noopener noreferrer" target="_blank">MikroE Learn – Electronics and Circuit Design Tutorials</a></li><li><a href="https://www.rsgb.org/" rel="nofollow noopener noreferrer" target="_blank">Radio Society of Great Britain (RSGB) – Ham Radio Resources</a></li><li><a href="https://www.arduino.cc/" rel="nofollow noopener noreferrer" target="_blank">Arduino – Microcontrollers and DIY Electronics for Ham Radio</a></li><li><a href="https://www.eham.net/" rel="nofollow noopener noreferrer" target="_blank">eHam.net – Amateur Radio News, Reviews, and Forums</a></li></ul>Disclaimer:The views and opinions expressed in this post are solely those of the author. The information provided is based on personal research, experience, and understanding of the subject matter at the time of writing. Readers should consult relevant experts or authorities for specific guidance related to their unique situations. 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Jouni OH3CUFI reached today a FM repeater (OH3RAA) 70km away on 2m with 10W and vertical antenna (Diamond X-30). Had lovely QSOs with totally new HAMs. I'm still amazed how long 10W can reach on 2m band. Shame that it is very unused these days.<a href="https://mastodon.radio/tags/2m" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#2m</a> <a href="https://mastodon.radio/tags/uhf" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#uhf</a> <a href="https://mastodon.radio/tags/2mband" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#2mband</a> <a href="https://mastodon.radio/tags/diamond" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#diamond</a> <a href="https://mastodon.radio/tags/fm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fm</a>

Diari Girona Notícies📻✨ Avui, 13 de febrer, celebrem el Dia Mundial de la Ràdio! 🎙️🌍Un mitjà que ens acompanya sempre: a casa, al cotxe i fins i tot a l’espai 🚀🔊. Des de les ones curtes fins a les freqüències més altes, la ràdio segueix connectant el món!📡📶 <a href="https://mastodon.social/tags/Ones" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Ones</a> <a href="https://mastodon.social/tags/R%C3%A0dio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Ràdio</a> <a href="https://mastodon.social/tags/Radiofrequ%C3%A8ncia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Radiofrequència</a> <a href="https://mastodon.social/tags/HF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HF</a> <a href="https://mastodon.social/tags/VHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#VHF</a> <a href="https://mastodon.social/tags/UHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UHF</a> <a href="https://mastodon.social/tags/Eter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Eter</a>

Chris Smart, ve3rwjNEW! <a href="https://mastodon.radio/tags/Kenwood" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Kenwood</a> REVEALS the TM-D750A <a href="https://mastodon.radio/tags/Radio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Radio</a> at <a href="https://mastodon.radio/tags/Hamcation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Hamcation</a> 2025 - YouTube <a href="https://www.youtube.com/watch?v=2FcCk30af1c" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.youtube.com/watch?v=2FcCk30af1c</a> <a href="https://mastodon.radio/tags/HamRadio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HamRadio</a> <a href="https://mastodon.radio/tags/AmateurRadio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AmateurRadio</a> <a href="https://mastodon.radio/tags/VHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#VHF</a> <a href="https://mastodon.radio/tags/UHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UHF</a> <a href="https://mastodon.radio/tags/APRS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#APRS</a>

Chris Smart, ve3rwjDiamond HRKS <a href="https://mastodon.radio/tags/Antenna" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Antenna</a> Mounting System for those difficult mobile instalations: <a href="https://www.youtube.com/watch?v=wqPVJjbZlb8&t=126s" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.youtube.com/watch?v=wqPVJjbZlb8&t=126s</a> <a href="https://mastodon.radio/tags/VHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#VHF</a> <a href="https://mastodon.radio/tags/UHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UHF</a> <a href="https://mastodon.radio/tags/HamRadio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HamRadio</a> <a href="https://mastodon.radio/tags/AmateurRadio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AmateurRadio</a> <a href="https://mastodon.radio/tags/HamCation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HamCation</a> <a href="https://mastodon.radio/tags/W6GPS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#W6GPS</a>

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