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#sdr

4 posts2 participants1 post today
spaceman :sofia:<p>Getting into gnu radio, wanting to put my HackRF to use. Want to actually get a decent understanding of RF theory.</p><p>Messing around with GPS signals, going to try to work out autocorrelation and things.</p><p><a href="https://aus.social/tags/hackrf" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hackrf</span></a> <a href="https://aus.social/tags/radio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>radio</span></a> <a href="https://aus.social/tags/sdr" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sdr</span></a></p>
5h15h<p>Airframes Community forum, user 'thebaldgeek' reviews the Discovery Dish <a href="https://community.airframes.io/t/discovery-dish-rtlsdr-blog-l-band-acars/181" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">community.airframes.io/t/disco</span><span class="invisible">very-dish-rtlsdr-blog-l-band-acars/181</span></a> <a href="https://techhub.social/tags/SDR" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SDR</span></a></p>
5h15h<p>Discovery Dish: a 70-cm aluminum satellite dish with an active filtered feed. Receives real-time weather data from GOES HRIT, GK-2A LRIT, FengYun LRIT, NOAA HRPT, Metop HRPT, Meteor M2 HRPT &amp; more at ~1.69 GHz. Details: <a href="https://www.crowdsupply.com/krakenrf/discovery-dish" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">crowdsupply.com/krakenrf/disco</span><span class="invisible">very-dish</span></a> <a href="https://techhub.social/tags/SDR" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SDR</span></a></p>
5h15h<p>Your disaster kit needs a weather radio—it’s a lifeline for <a href="https://techhub.social/tags/NOAA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NOAA</span></a> and <a href="https://techhub.social/tags/FCC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FCC</span></a> alerts in emergencies. But imagine getting not just audio updates but also images, charts, &amp; reports off the grid. The future of weather radios: <a href="https://spectrum.ieee.org/software-defined-radio" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">spectrum.ieee.org/software-def</span><span class="invisible">ined-radio</span></a> <a href="https://techhub.social/tags/SDR" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SDR</span></a></p>
s0 Unbreaks Stuff<p>Does anyone know any <a href="https://cathode.church/tags/SDR" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SDR</span></a> tools (maybe a <a href="https://cathode.church/tags/GNURadio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GNURadio</span></a> script?) to turn an SDR into a wideband scanner? Or is there a clever frontend device that can do that?</p><p>I have a nice SDR (LimeSDR Mini) that’ll do 20+MHz bandwidth and 0-3GHz, but what I really want is a visualisation of large chunks of spectrum (100MHz minimum, ideally full range) to identify congestion and rogue transmitters in our building on all ISM, FM, DECT, RadioMic, TV, WiFi, etc. bands.<br>I understand that it’ll be slower, having to sweep across the frequencies, but averaging over minutes is fine.<br>But there are spectrum monitoring devices around that seem to manage it somehow.</p><p>:boost_requested:</p>
IT News<p>Writing a GPS Receiver from Scratch - GPS is an incredible piece of modern technology. Not only does it allow for locati... - <a href="https://hackaday.com/2025/03/18/writing-a-gps-receiver-from-scratch/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hackaday.com/2025/03/18/writin</span><span class="invisible">g-a-gps-receiver-from-scratch/</span></a> <a href="https://schleuss.online/tags/software" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>software</span></a>-definedradio <a href="https://schleuss.online/tags/radiohacks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>radiohacks</span></a> <a href="https://schleuss.online/tags/gpshacks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>gpshacks</span></a> <a href="https://schleuss.online/tags/receiver" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>receiver</span></a> <a href="https://schleuss.online/tags/rtl" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rtl</span></a>-sdr <a href="https://schleuss.online/tags/python" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>python</span></a> <a href="https://schleuss.online/tags/radio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>radio</span></a> <a href="https://schleuss.online/tags/gps" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>gps</span></a> <a href="https://schleuss.online/tags/sdr" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sdr</span></a></p>
Venya (he/him/dude) 🇺🇦<p><span class="h-card" translate="no"><a href="https://posts.dumb.stuff.donaberger.xyz/@mitch" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>mitch</span></a></span> <span class="h-card" translate="no"><a href="https://fosstodon.org/@RL_Dane" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>RL_Dane</span></a></span> </p><p>Ooooh, which one? I have a v3 RTL-SDR for VHF and UHF and a fancier AirSpy HF+Discovery that is amazing for HF work. </p><p>VHF and UHF are where commercial radio and a lot of air traffic live. It's generally radio line-of-sight. Handhelds of all types are usually one of those. Even if you don't have an RTL-SDR, their site has a lot of good info on general things you can do and find in that range.</p><p><a href="https://www.rtl-sdr.com" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">rtl-sdr.com</span><span class="invisible"></span></a></p><p><a href="https://musicians.today/tags/AmateurRadio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AmateurRadio</span></a> <a href="https://musicians.today/tags/SDR" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SDR</span></a></p>
IT News<p>It’s SSB, But Maybe Not Quite As You Know It - Single Sideband, or SSB, has been the predominant amateur radio voice mode for man... - <a href="https://hackaday.com/2025/03/03/its-ssb-but-maybe-not-quite-as-you-know-it/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hackaday.com/2025/03/03/its-ss</span><span class="invisible">b-but-maybe-not-quite-as-you-know-it/</span></a> <a href="https://schleuss.online/tags/polarmodulation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>polarmodulation</span></a> <a href="https://schleuss.online/tags/radiohacks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>radiohacks</span></a> <a href="https://schleuss.online/tags/sdr" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sdr</span></a> <a href="https://schleuss.online/tags/ssb" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ssb</span></a></p>
ACARS Drama<p>Special ACARS Drama announcement:</p><p>Thanks to the help of our early volunteers who helped us prove it out - we’re now opening up remote feeding to the drama machine to anyone who would like to contribute.</p><p>You can find all the info you need to feed the Drama engine from your SDR, including our ingestion endpoints and some sample configs at <a href="https://acarsdrama.com" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">acarsdrama.com</span><span class="invisible"></span></a>.</p><p>If you do start feeding, please DM us and let us know where you are located and your feed ID, we’re working on a coverage map!</p><p>Thank you and we will now return to your regularly scheduled drama.</p><p><a href="https://infosec.exchange/tags/acars" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>acars</span></a> <a href="https://infosec.exchange/tags/vdlm2" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>vdlm2</span></a> <a href="https://infosec.exchange/tags/sdr" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sdr</span></a> <a href="https://infosec.exchange/tags/avgeek" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>avgeek</span></a></p>
Jörn (DL2EJF)<p>Fifty things you can do with SDR by <span class="h-card" translate="no"><a href="https://chaos.social/@blinry" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>blinry</span></a></span> <br><a href="https://blinry.org/50-things-with-sdr/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">blinry.org/50-things-with-sdr/</span><span class="invisible"></span></a></p><p>Very interesting and I will try now some new SDR activities in an urban area</p><p>(I have Airspy, so this works too)</p><p><a href="https://social.darc.de/tags/sdr" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sdr</span></a> <a href="https://social.darc.de/tags/software" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>software</span></a> <a href="https://social.darc.de/tags/opensource" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>opensource</span></a> <a href="https://social.darc.de/tags/amateurfunk" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>amateurfunk</span></a> <a href="https://social.darc.de/tags/hamradio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hamradio</span></a> <a href="https://social.darc.de/tags/hamr" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hamr</span></a></p>
Kevin Karhan :verified:<p><span class="h-card" translate="no"><a href="https://m.ai6yr.org/@ai6yr" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>ai6yr</span></a></span> <span class="h-card" translate="no"><a href="https://wonkodon.com/@admin" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>admin</span></a></span> would would've only been a <a href="https://infosec.space/tags/Pi0W" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Pi0W</span></a> with the <a href="https://infosec.space/tags/SDR" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SDR</span></a> mod!</p>
Jeff<p><span class="h-card" translate="no"><a href="https://infosec.exchange/@acarsdrama" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>acarsdrama</span></a></span> <span class="h-card" translate="no"><a href="https://toot.now/@tyzbit" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>tyzbit</span></a></span> <span class="h-card" translate="no"><a href="https://infosec.exchange/@SecureOwl" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>SecureOwl</span></a></span> Do you have a guide on how to get into the <a href="https://infosec.exchange/tags/SDR" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SDR</span></a> and Acars game? I think you posted a behind the scenes awhile back. Maybe your next book(let)?</p>
Leo Bistmans<p><span class="h-card" translate="no"><a href="https://mastodon.social/@geerlingguy" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>geerlingguy</span></a></span> <span class="h-card" translate="no"><a href="https://mastodon.radio/@n8gnj" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>n8gnj</span></a></span> giving it a go on bullseye </p><p>Apparently kernel module smi_stream_dev is still missing / not in the kernel 6.1.21-v8+</p><p><a href="https://mastodon.online/tags/hamradio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hamradio</span></a> <a href="https://mastodon.online/tags/sdr" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sdr</span></a> <a href="https://mastodon.online/tags/CaribouLite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>CaribouLite</span></a></p>
IT News<p>A Tiny Tapeout SDR - The Tiny Tapeout custom ASIC project has been around for a while now, and has pass... - <a href="https://hackaday.com/2025/02/11/a-tiny-tapeout-sdr/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hackaday.com/2025/02/11/a-tiny</span><span class="invisible">-tapeout-sdr/</span></a> <a href="https://schleuss.online/tags/tinytapeout" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>tinytapeout</span></a> <a href="https://schleuss.online/tags/radiohacks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>radiohacks</span></a> <a href="https://schleuss.online/tags/parts" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>parts</span></a> <a href="https://schleuss.online/tags/asic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>asic</span></a> <a href="https://schleuss.online/tags/sdr" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sdr</span></a></p>
henk ✅<p>An even better visualization of chirp spread spectrum (CSS) technology, the physical radio communication technique used by <a href="https://waag.social/tags/meshtastic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>meshtastic</span></a> using <a href="https://waag.social/tags/sdr" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sdr</span></a>++ (video in 20% speed)</p>
Chris Mills<p>I no longer have a transmitter to broadcast on as ZL4CDM, but having just been reminded of <a href="https://cloudisland.nz/tags/SoftwareDefinedRadio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SoftwareDefinedRadio</span></a> ( <a href="https://cloudisland.nz/tags/SDR" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SDR</span></a> ) I can surf the airwaves for all sorts of excellent audio snippets and textures of <a href="https://cloudisland.nz/tags/radio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>radio</span></a> to use in making <a href="https://cloudisland.nz/tags/ElectronicMusic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ElectronicMusic</span></a> - could go great in making <a href="https://cloudisland.nz/tags/BonkWave" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BonkWave</span></a> <a href="http://websdr.org/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">http://</span><span class="">websdr.org/</span><span class="invisible"></span></a></p>
Paul Riismandel<p>“All Your Frequencies Are Belong to Us”</p><p>“The Taylorator is a piece of software which allows me to flood the FM broadcast band with Taylor Swift's music. No matter where you tune your radio, you will only be able to listen to her!</p><p>“…This also works out to 100 different frequencies that we need to populate (with 100 different songs). So, how can we accomplish this? Software Defined Radio.”<br><a href="https://mastodon.social/tags/radio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>radio</span></a> <a href="https://mastodon.social/tags/sdr" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sdr</span></a> <a href="https://mastodon.social/tags/unlicensedbroadcasting" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>unlicensedbroadcasting</span></a> </p><p><a href="https://www.scd31.com/posts/taylorator?utm_source=substack&amp;utm_medium=email" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">scd31.com/posts/taylorator?utm</span><span class="invisible">_source=substack&amp;utm_medium=email</span></a></p>
IT News<p>Taylorator Makes Mischief on the Airwaves - [Stephen] recently wrote in to share his experiments with using the LimeSDR mini t... - <a href="https://hackaday.com/2025/01/29/taylorator-makes-mischief-on-the-airwaves/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hackaday.com/2025/01/29/taylor</span><span class="invisible">ator-makes-mischief-on-the-airwaves/</span></a> <a href="https://schleuss.online/tags/software" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>software</span></a>-definedradio <a href="https://schleuss.online/tags/softwarehacks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>softwarehacks</span></a> <a href="https://schleuss.online/tags/rfmodulation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rfmodulation</span></a> <a href="https://schleuss.online/tags/fmbroadcast" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>fmbroadcast</span></a> <a href="https://schleuss.online/tags/limesdrmini" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>limesdrmini</span></a> <a href="https://schleuss.online/tags/radiohacks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>radiohacks</span></a> <a href="https://schleuss.online/tags/sdr" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sdr</span></a></p>
JimmyChezPants<p>Thanks to <span class="h-card" translate="no"><a href="https://mastodon.social/@geerlingguy" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>geerlingguy</span></a></span> for this awesome video on the basics of <a href="https://growers.social/tags/SDR" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SDR</span></a>, which I have been curious about for some time.</p><p>I have exuberantly bought hardware that I did not yet know how to use in the past, which never got out of the box in any real way, because I literally had no idea what to do after pulling it out.</p><p>A demo like this, which shows you the fun stuff you can eventually do, makes it feel a lot safer to make the leap, as one is able.</p><p><a href="https://www.youtube.com/watch?v=Hz2WqhWmjZE" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">youtube.com/watch?v=Hz2WqhWmjZ</span><span class="invisible">E</span></a></p>
Kevin Karhan :verified:<p><span class="h-card" translate="no"><a href="https://catgirl.farm/users/cafkafk" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>cafkafk</span></a></span> All I know is that <a href="https://infosec.space/tags/UHFSATCOM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>UHFSATCOM</span></a> has been plagued with <a href="https://infosec.space/tags/PirateRadio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PirateRadio</span></a> transmissions abusing the 243 MHz area band <a href="https://infosec.space/tags/satellites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>satellites</span></a> as global repeater. </p><ul><li>Ranging from <a href="https://infosec.space/tags/Truckers" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Truckers</span></a> in <a href="https://infosec.space/tags/Brazil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Brazil</span></a> to <a href="https://infosec.space/tags/Cartels" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Cartels</span></a> to <a href="https://infosec.space/tags/RadioStations" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RadioStations</span></a> to people abusing it as a <a href="https://infosec.space/tags/Telephony" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Telephony</span></a> relay in lieu of <a href="https://infosec.space/tags/SPSC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SPSC</span></a> on C-Band... </li></ul><p>That's like 20+ year old <a href="https://infosec.space/tags/OSINT" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OSINT</span></a> by now: Basically everyone with a <a href="https://infosec.space/tags/SDR" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SDR</span></a> like a <a href="https://infosec.space/tags/HackRF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>HackRF</span></a> can send on those and for recieval some simple <a href="https://infosec.space/tags/UHF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>UHF</span></a> antenna and a DIY dish made out of chicken fence aimed at the GSO-bound satellites is all it takes... </p><ul><li>OFC the <a href="https://infosec.space/tags/DoD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DoD</span></a> will not like illegal transmissions but as per very nature it's trivial to recieve said messages for everyone who isn't lazy...</li></ul>
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