MastodonTech.de

Jesse Alexander, WB2IFS/3This was a great <a href="https://mastodon.hams.social/tags/podcast" class="mention hashtag" rel="nofollow noopener" target="_blank">#podcast</a> about <a href="https://mastodon.hams.social/tags/shortwave" class="mention hashtag" rel="nofollow noopener" target="_blank">#shortwave</a> and the <a href="https://mastodon.hams.social/tags/EMS" class="mention hashtag" rel="nofollow noopener" target="_blank">#EMS</a><a href="https://podcasts.apple.com/us/podcast/on-the-media/id73330715?i=1000710240668" rel="nofollow noopener" translate="no" target="_blank">https://podcasts.apple.com/us/podcast/on-the-media/id73330715?i=1000710240668</a>

AI6YR BenHere we go... shortwave receiver built out of this chip. Looks like the main thing is a change in the intermediate frequency (IF) and some coils for the oscillator circuits, which will shift the range of the AM receiver down to the shortwave bands. <a href="https://m.ai6yr.org/tags/electronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#electronics</a> <a href="https://m.ai6yr.org/tags/hamradio" class="mention hashtag" rel="nofollow noopener" target="_blank">#hamradio</a> <a href="https://m.ai6yr.org/tags/shortwave" class="mention hashtag" rel="nofollow noopener" target="_blank">#shortwave</a>

Aetherius Eldritch 🧙‍♂️⚡⛤ 📖 🎙 :net_mastodon:Para quienes preguntan, si, es posible escuchar MDT <a href="https://mast.lat/tags/RADIO" class="mention hashtag" rel="nofollow noopener" target="_blank">#RADIO</a> MX mediante <a href="https://mast.lat/tags/linux" class="mention hashtag" rel="nofollow noopener" target="_blank">#linux</a> usando <a href="https://mast.lat/tags/Shortwave" class="mention hashtag" rel="nofollow noopener" target="_blank">#Shortwave</a>, <a href="https://mast.lat/tags/Goodvibes" class="mention hashtag" rel="nofollow noopener" target="_blank">#Goodvibes</a>, <a href="https://mast.lat/tags/VLC" class="mention hashtag" rel="nofollow noopener" target="_blank">#VLC</a> o algún otro <a href="https://mast.lat/tags/mediaplayer" class="mention hashtag" rel="nofollow noopener" target="_blank">#mediaplayer</a>, simplemente tienen que abrir y añadir esta Playlist a dicho programa <a href="https://stream.zeno.fm/zbzhpxcsncqvv.m3u" rel="nofollow noopener" translate="no" target="_blank">https://stream.zeno.fm/zbzhpxcsncqvv.m3u</a>

watchpocket 🍄🌱During the three-year period from 1989 to '91, solar conditions and sunspot cycles were at an optimal point for HF (shortwave) radio propagation.I was well-situated to take advantage of this, and I discuss shortwave radio and international broadcasting and present sounds from shortwave in my first appearance on <a href="https://c.im/@WFMU" class="u-url mention" rel="nofollow noopener" target="_blank">@WFMU</a> as a guest of TKF's show in August of '89. You can now hear that show online (it's part 1 of a 2-part series): <a href="https://wfmu.org/playlists/HL" rel="nofollow noopener" translate="no" target="_blank">https://wfmu.org/playlists/HL</a> <a href="https://mastodon.social/tags/radio" class="mention hashtag" rel="nofollow noopener" target="_blank">#radio</a> <a href="https://mastodon.social/tags/WFMU" class="mention hashtag" rel="nofollow noopener" target="_blank">#WFMU</a> <a href="https://mastodon.social/tags/shortwave" class="mention hashtag" rel="nofollow noopener" target="_blank">#shortwave</a> <a href="https://mastodon.social/tags/psychedelic" class="mention hashtag" rel="nofollow noopener" target="_blank">#psychedelic</a>

Chris Smart, ve3rwjDust off your 42.8 Mhz radios ! This is historic. Armstrong Broadcast Returns to New Jersey in June <a href="https://www.radioworld.com/news-and-business/armstrong-broadcast-returns-to-new-jersey-in-june" rel="nofollow noopener" translate="no" target="_blank">https://www.radioworld.com/news-and-business/armstrong-broadcast-returns-to-new-jersey-in-june</a> <a href="https://mastodon.radio/tags/VHF" class="mention hashtag" rel="nofollow noopener" target="_blank">#VHF</a> <a href="https://mastodon.radio/tags/Broadcasting" class="mention hashtag" rel="nofollow noopener" target="_blank">#Broadcasting</a> <a href="https://mastodon.radio/tags/AmateurRadio" class="mention hashtag" rel="nofollow noopener" target="_blank">#AmateurRadio</a> <a href="https://mastodon.radio/tags/HamRadio" class="mention hashtag" rel="nofollow noopener" target="_blank">#HamRadio</a> <a href="https://mastodon.radio/tags/SWL" class="mention hashtag" rel="nofollow noopener" target="_blank">#SWL</a> <a href="https://mastodon.radio/tags/Shortwave" class="mention hashtag" rel="nofollow noopener" target="_blank">#Shortwave</a>

QuietRadioOperator1🍵☕📻🖥️Thank you M. Trevor Baylis for your wonderful inventions. 🇬🇧 You are well missed.<a href="https://en.wikipedia.org/wiki/Trevor_Baylis" rel="nofollow noopener" translate="no" target="_blank">https://en.wikipedia.org/wiki/Trevor_Baylis</a><a href="https://www.bbc.com/audio/schedules/bbc_radio_fourfm" rel="nofollow noopener" translate="no" target="_blank">https://www.bbc.com/audio/schedules/bbc_radio_fourfm</a>Happy to report that my wind up crank radio bought used is still working well.<a href="https://mstdn.ca/tags/amradio" class="mention hashtag" rel="nofollow noopener" target="_blank">#amradio</a> <a href="https://mstdn.ca/tags/shortwave" class="mention hashtag" rel="nofollow noopener" target="_blank">#shortwave</a> <a href="https://mstdn.ca/tags/TrevorBaylis" class="mention hashtag" rel="nofollow noopener" target="_blank">#TrevorBaylis</a> <a href="https://mstdn.ca/tags/inventors" class="mention hashtag" rel="nofollow noopener" target="_blank">#inventors</a> <a href="https://mstdn.ca/tags/UK" class="mention hashtag" rel="nofollow noopener" target="_blank">#UK</a>Take care 👋

Bebef :radio_tower:My first ever <a href="https://mastodon.radio/tags/shortwave" class="mention hashtag" rel="nofollow noopener" target="_blank">#shortwave</a> "on the air" using <a href="https://mastodon.radio/tags/WSPR" class="mention hashtag" rel="nofollow noopener" target="_blank">#WSPR</a> was quite the success! I managed to be received at ER60tb (1000km off the north pole) on 20m and QE38lr (SE Australia, 16700km) on 10m, which is quite awesome!I have to admit though that I was using 10W TX 😅 (which I reduced to 5W after the first contacts).I'll stay on 20m for a bit and then probably call it a day.

Ben BrunzelThe station was build around an ICOM IC-7300 <a href="https://norden.social/tags/shortwave" class="mention hashtag" rel="nofollow noopener" target="_blank">#shortwave</a> transceiver. We used a laptop running the <a href="https://norden.social/tags/N1MM" class="mention hashtag" rel="nofollow noopener" target="_blank">#N1MM</a> contest logging software with a secondary monitor and an external keyboard for the first operator. We provided a sideswiper single lever paddle as well as a <a href="https://norden.social/tags/junker" class="mention hashtag" rel="nofollow noopener" target="_blank">#junker</a> straight key. Only downside was one had to unplug and reconnect when wanting to switch between them. That's to be improved.<a href="https://norden.social/tags/hamRadio" class="mention hashtag" rel="nofollow noopener" target="_blank">#hamRadio</a> <a href="https://norden.social/tags/amateurRadio" class="mention hashtag" rel="nofollow noopener" target="_blank">#amateurRadio</a> <a href="https://norden.social/tags/DARC" class="mention hashtag" rel="nofollow noopener" target="_blank">#DARC</a> <a href="https://norden.social/tags/fieldday" class="mention hashtag" rel="nofollow noopener" target="_blank">#fieldday</a>

Philipp DK3IPWe are up on the Hirtstein in the <a href="https://social.darc.de/tags/OreMountains" class="mention hashtag" rel="nofollow noopener" target="_blank">#OreMountains</a> for a <a href="https://social.darc.de/tags/contest" class="mention hashtag" rel="nofollow noopener" target="_blank">#contest</a> 2-fer: <a href="https://social.darc.de/tags/IARU" class="mention hashtag" rel="nofollow noopener" target="_blank">#IARU</a> Region 1 <a href="https://social.darc.de/tags/FD" class="mention hashtag" rel="nofollow noopener" target="_blank">#FD</a> as DM3F/P and <a href="https://social.darc.de/tags/DARC" class="mention hashtag" rel="nofollow noopener" target="_blank">#DARC</a> <a href="https://social.darc.de/tags/Microwave" class="mention hashtag" rel="nofollow noopener" target="_blank">#Microwave</a> as DM7A. The <a href="https://social.darc.de/tags/weather" class="mention hashtag" rel="nofollow noopener" target="_blank">#weather</a> is stable but the HF PA broke down just one hour into the contest. So it‘s only 100 W on <a href="https://social.darc.de/tags/shortwave" class="mention hashtag" rel="nofollow noopener" target="_blank">#shortwave</a> for the remaining hours. <a href="https://social.darc.de/tags/S07" class="mention hashtag" rel="nofollow noopener" target="_blank">#S07</a> <a href="https://social.darc.de/tags/HamRadio" class="mention hashtag" rel="nofollow noopener" target="_blank">#HamRadio</a> <a href="https://social.darc.de/tags/elecraftk3" class="mention hashtag" rel="nofollow noopener" target="_blank">#elecraftk3</a> <a href="https://social.darc.de/tags/morsecode" class="mention hashtag" rel="nofollow noopener" target="_blank">#morsecode</a> <a href="https://social.darc.de/tags/Amateurfunk" class="mention hashtag" rel="nofollow noopener" target="_blank">#Amateurfunk</a>

Alex KR1ST/PA1STHere's something to put on your Christmas day listening calendar. On Christmas day field stations on Antarctica sing songs and play music to each other using HF radios. What a wonderful tradition!I found this out from watching "The Lake at the Bottom of the World" documentary on Curiosity Stream just now. Fortunately, they showed the radio, a PRC-1099, in the movie from which it appears they are using 7.995 MHz USB.<a href="https://mastodon.radio/tags/SWL" class="mention hashtag" rel="nofollow noopener" target="_blank">#SWL</a> <a href="https://mastodon.radio/tags/Shortwave" class="mention hashtag" rel="nofollow noopener" target="_blank">#Shortwave</a> <a href="https://mastodon.radio/tags/Hamradio" class="mention hashtag" rel="nofollow noopener" target="_blank">#Hamradio</a> <a href="https://mastodon.radio/tags/AmateurRadio" class="mention hashtag" rel="nofollow noopener" target="_blank">#AmateurRadio</a>

AI6YR BenS2 THE DIVIDED DIAL EPISODE 4: Wall St. Wants Your Airwaves"...In recent years, creative, often music-focused pirate broadcasting has been thriving on shortwave. But these surreptitious broadcasters are up against a surprising enemy: Not the FCC, but a deep-pocketed group of finance bros that is trying to wrestle the airwaves away from the public, and use them for a money-making scheme completely antithetical to broadcasting. What do we lose when we give up our public airwaves?..."<a href="https://www.wnycstudios.org/podcasts/otm/articles/s2-the-divided-dial-episode-4-wall-st-wants-your-airwaves" rel="nofollow noopener" translate="no" target="_blank">https://www.wnycstudios.org/podcasts/otm/articles/s2-the-divided-dial-episode-4-wall-st-wants-your-airwaves</a><a href="https://m.ai6yr.org/tags/hamradio" class="mention hashtag" rel="nofollow noopener" target="_blank">#hamradio</a> <a href="https://m.ai6yr.org/tags/fcc" class="mention hashtag" rel="nofollow noopener" target="_blank">#fcc</a> <a href="https://m.ai6yr.org/tags/shortwave" class="mention hashtag" rel="nofollow noopener" target="_blank">#shortwave</a>

ToroidalCore<a href="https://masto.hackers.town/@OffTheHook" class="u-url mention" rel="nofollow noopener" target="_blank">@OffTheHook</a> Here's the URL for the University of Twente Web SDR:<a href="http://websdr.ewi.utwente.nl:8901/" rel="nofollow noopener" translate="no" target="_blank">http://websdr.ewi.utwente.nl:8901/</a><a href="https://masto.hackers.town/tags/ShortWave" class="mention hashtag" rel="nofollow noopener" target="_blank">#ShortWave</a> <a href="https://masto.hackers.town/tags/SDR" class="mention hashtag" rel="nofollow noopener" target="_blank">#SDR</a>

James AkersSpent some monies before tariffs started rolling in and got some phosphors (from the Netherlands).Now I am making some new colors- a warm white and a pink. Mundy Hepburn was right- when buying phosphors- just get RGB... oh an maybe violet.Gotta mix these on the ball mill for the recommended two days and then do some test coats- I sure am excited! realistically I might do a test tomorrow. It will be nice to see how it moves and coats a sample tube. It sure is coating the jar well after about 20 minutes. That is a 254nm quartz lamp for the argon mercury. The nitrocellulose coatings are so effective! The chemicals are kinda nasty- but they evaporate rapidly and don't make phosphor waste that cannot be put down the drain.<a href="https://expressional.social/tags/color" class="mention hashtag" rel="nofollow noopener" target="_blank">#color</a> <a href="https://expressional.social/tags/phosphor" class="mention hashtag" rel="nofollow noopener" target="_blank">#phosphor</a> <a href="https://expressional.social/tags/pigment" class="mention hashtag" rel="nofollow noopener" target="_blank">#pigment</a> <a href="https://expressional.social/tags/light" class="mention hashtag" rel="nofollow noopener" target="_blank">#light</a> <a href="https://expressional.social/tags/neon" class="mention hashtag" rel="nofollow noopener" target="_blank">#neon</a> <a href="https://expressional.social/tags/diy" class="mention hashtag" rel="nofollow noopener" target="_blank">#diy</a> <a href="https://expressional.social/tags/paint" class="mention hashtag" rel="nofollow noopener" target="_blank">#paint</a> <a href="https://expressional.social/tags/lacquer" class="mention hashtag" rel="nofollow noopener" target="_blank">#lacquer</a> <a href="https://expressional.social/tags/nitrocellulose" class="mention hashtag" rel="nofollow noopener" target="_blank">#nitrocellulose</a> <a href="https://expressional.social/tags/shortwave" class="mention hashtag" rel="nofollow noopener" target="_blank">#shortwave</a> <a href="https://expressional.social/tags/nyc" class="mention hashtag" rel="nofollow noopener" target="_blank">#nyc</a> <a href="https://expressional.social/tags/brooklyn" class="mention hashtag" rel="nofollow noopener" target="_blank">#brooklyn</a>

Dave Spector@onthemedia dissects the blatant racist power play of fastracking white South Africans as “refugees” into the US. (Spoiler: this is really about the “white replacement theory” — me)And, more on radicalized white people & militias on <a href="https://mastodon.social/tags/shortwave" class="mention hashtag" rel="nofollow noopener" target="_blank">#shortwave</a> on <a href="https://mastodon.social/tags/TheDividedDial" class="mention hashtag" rel="nofollow noopener" target="_blank">#TheDividedDial</a><a href="https://www.wnycstudios.org/podcasts/otm/articles/why-trump-is-welcoming-white-south-africans-as-refugees-plus-ep-2-of-the-divided-dial" rel="nofollow noopener" translate="no" target="_blank">https://www.wnycstudios.org/podcasts/otm/articles/why-trump-is-welcoming-white-south-africans-as-refugees-plus-ep-2-of-the-divided-dial</a>

Jesse Alexander, WB2IFS/3My bride turned me on to this great <a href="https://mastodon.hams.social/tags/podcast" class="mention hashtag" rel="nofollow noopener" target="_blank">#podcast</a> from <a href="https://bird.makeup/users/wnyc" class="u-url mention" rel="nofollow noopener" target="_blank">@wnyc</a> about <a href="https://mastodon.hams.social/tags/shortwave" class="mention hashtag" rel="nofollow noopener" target="_blank">#shortwave</a> and <a href="https://mastodon.hams.social/tags/whitesupremacist" class="mention hashtag" rel="nofollow noopener" target="_blank">#whitesupremacist</a> <a href="https://mastodon.hams.social/tags/media" class="mention hashtag" rel="nofollow noopener" target="_blank">#media</a>. The first episode is a great introduction to the <a href="https://mastodon.hams.social/tags/electromagnetic" class="mention hashtag" rel="nofollow noopener" target="_blank">#electromagnetic</a> <a href="https://mastodon.hams.social/tags/spectrum" class="mention hashtag" rel="nofollow noopener" target="_blank">#spectrum</a> and talks briefly about <a href="https://mastodon.hams.social/tags/amateurradio" class="mention hashtag" rel="nofollow noopener" target="_blank">#amateurradio</a> <a href="https://www.wnycstudios.org/podcasts/otm/divided-dial" rel="nofollow noopener" translate="no" target="_blank">https://www.wnycstudios.org/podcasts/otm/divided-dial</a>

Todd needs beer, badly. 🍻This is a great listen from NPR’s Short Wave podcast for anyone trying to learn a second language as an adult (like me with Finnish).<a href="https://open.spotify.com/episode/5Qyr14dxJeQrjNwZlI2i82" rel="nofollow noopener" translate="no" target="_blank">https://open.spotify.com/episode/5Qyr14dxJeQrjNwZlI2i82</a><a href="https://mastodon.social/tags/NPR" class="mention hashtag" rel="nofollow noopener" target="_blank">#NPR</a> <a href="https://mastodon.social/tags/ShortWave" class="mention hashtag" rel="nofollow noopener" target="_blank">#ShortWave</a> <a href="https://mastodon.social/tags/podcast" class="mention hashtag" rel="nofollow noopener" target="_blank">#podcast</a> <a href="https://mastodon.social/tags/language" class="mention hashtag" rel="nofollow noopener" target="_blank">#language</a> <a href="https://mastodon.social/tags/linguistics" class="mention hashtag" rel="nofollow noopener" target="_blank">#linguistics</a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener" target="_blank">#science</a>

Fedi.Garden 🌱Mastodon.Radio is a Mastodon server for radio enthusiasts including the Amateur (Ham) Radio community, anyone interested in Shortwave Listening (SWL), etc. Come join us and talk radio, technology, and more!:Fediverse: <a href="https://mastodon.radio" rel="nofollow noopener" translate="no" target="_blank">https://mastodon.radio</a>This server has been operating since 2018.You can find out more at <a href="https://mastodon.radio/about" rel="nofollow noopener" translate="no" target="_blank">https://mastodon.radio/about</a> or contact the admin <a href="https://mastodon.radio/@M0YNG" class="u-url mention" rel="nofollow noopener" target="_blank">@M0YNG</a> <a href="https://social.growyourown.services/tags/FeaturedServer" class="mention hashtag" rel="nofollow noopener" target="_blank">#FeaturedServer</a> <a href="https://social.growyourown.services/tags/Radio" class="mention hashtag" rel="nofollow noopener" target="_blank">#Radio</a> <a href="https://social.growyourown.services/tags/AmateurRadio" class="mention hashtag" rel="nofollow noopener" target="_blank">#AmateurRadio</a> <a href="https://social.growyourown.services/tags/HamRadio" class="mention hashtag" rel="nofollow noopener" target="_blank">#HamRadio</a> <a href="https://social.growyourown.services/tags/Shortwave" class="mention hashtag" rel="nofollow noopener" target="_blank">#Shortwave</a> <a href="https://social.growyourown.services/tags/SWL" class="mention hashtag" rel="nofollow noopener" target="_blank">#SWL</a> <a href="https://social.growyourown.services/tags/Mastodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#Mastodon</a> <a href="https://social.growyourown.services/tags/Fediverse" class="mention hashtag" rel="nofollow noopener" target="_blank">#Fediverse</a> <a href="https://social.growyourown.services/tags/FreeFediverse" class="mention hashtag" rel="nofollow noopener" target="_blank">#FreeFediverse</a>

Francois Heinderyckx<a href="https://flipboard.com/@npr" class="u-url mention" rel="nofollow noopener" target="_blank">@npr</a> : Nature Careers reveals a sudden 32% increase in US-based scientists applying for jobs abroad. <a href="https://www.npr.org/2025/05/12/1250811328/trump-medicine-scientists-farming-federal-cuts" rel="nofollow noopener" translate="no" target="_blank">https://www.npr.org/2025/05/12/1250811328/trump-medicine-scientists-farming-federal-cuts</a><a href="https://mastodon.social/tags/BrainDrain" class="mention hashtag" rel="nofollow noopener" target="_blank">#BrainDrain</a> <a href="https://mastodon.social/tags/Research" class="mention hashtag" rel="nofollow noopener" target="_blank">#Research</a> <a href="https://mastodon.social/tags/USpolitics" class="mention hashtag" rel="nofollow noopener" target="_blank">#USpolitics</a> <a href="https://mastodon.social/tags/Shortwave" class="mention hashtag" rel="nofollow noopener" target="_blank">#Shortwave</a>

Kris\SlykaOK, I think I've solved a weirdness I was encountering with my receiver. It's got a little BFO adjustment dial which together with the adjustable filter allows for USB and LSB reception. One thing that confused me was that the way it worked just seemed kinda inconsistent. Turns out, the direction of the dial is different in different bands. in band I, III, IV, and VI turning the dial up gives raises the BFO frequency you lower sideband reception, on band II and V it lower the BFO frequency and gives you upper sideband reception. That's so confusing! Why did they do it like that?! I assume they just had standards on where to use USB and LSB and made it switch automatically accordingly?<a href="https://pawb.fun/tags/shortwave" class="mention hashtag" rel="nofollow noopener" target="_blank">#shortwave</a> <a href="https://pawb.fun/tags/hamradio" class="mention hashtag" rel="nofollow noopener" target="_blank">#hamradio</a>

spmatich vk3spm :blobcoffee:Fixing another <a href="https://ioc.exchange/tags/TransistorRadio" class="mention hashtag" rel="nofollow noopener" target="_blank">#TransistorRadio</a> . This one is a <a href="https://ioc.exchange/tags/NationalPanasonic" class="mention hashtag" rel="nofollow noopener" target="_blank">#NationalPanasonic</a> 4-band <a href="https://ioc.exchange/tags/shortwave" class="mention hashtag" rel="nofollow noopener" target="_blank">#shortwave</a> receiver from 1970. Blew a 100 ohm 1/2watt resistor in the push-pull output stage. Will replace it and see how we go…

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