Highly mobile packet radio
Joined June 2013
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The NucleoTNC is an open implementation of our commercial product, the TNC3, designed to encourage experimentation and learning in amateur radio, electronics, digital signal processing and software engineering.
github.com/mobilinkd/NucleoT…
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I am really excited to see the TNC4's latent M17 features on display. See Jeff, AE5ME, demo of the MSEVEN app, created by Greg, W5GGW, using a TNC4 for M17 voice over the air.
youtube.com/watch?v=fFFd1BZ4…
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aprs.fi is now available for Android (v11 )! All the features of the iPhone app and a few more. Buy the app and get the web site for free! Do read the application description before purchasing. play.google.com/store/apps/d… #aprs #hamradio
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makerworld.com/en/models/240…
Thom, W8TAM, has created a mod for the TK-x90 radios to use Anderson Powerpole connectors directly for the power connection.
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We now have TNC cables designed for the Yaesu FTM mobile radios. We also have the MiniDIN-6 adapter (CT-164 equivalent) and a MiniDIN-10 bare cable (CT-167 equivalent).
store.mobilinkd.com/collecti…
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Our redesigned TNC cable for ICOM radios are a good fit for the deeper ID-50/51/52 socket.
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You can now also find us at bsky.app/profile/mobilinkd.b…
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Mobilinkd -- Find us @Mobilinkd@mastodon.radio retweeted
11 Nov 2024
My night is Crazy Full working on my @Mobilinkd TNc for some #APRS. Testing more #clockworkpi #uconsole-kit-rpi-cm4-lite Stuff!!
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TNC4 firmware version 2.5.14 has been released and the User Guide has been updated. The TNC will indicate when its audio input is being overdriven. PTT lockup on iOS when 2 or more apps are attached is fixed. 9600 baud modulator and #M17 demod is improved.
mobilinkd.com/downloads/?dl_…
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github.com/mobilinkd/NucleoT…
These changes are now released. As part of the ongoing repo re-org, the NucleoTNC firmware now has its own Github repository. The fine frequency adjustments to the ADC and DAC timers works pretty well.
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While we love selling our aluminum NucleoTNC enclosures, the fact that there are two distinct 3D-printable NucleoTNC enclosures on Thingiverse is so heart-warming to see. #OSHW
A huge "thank you" to all those that contribute to #opensource #hamradio.
thingiverse.com/search?q=nuc…
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The #hamradio NucleoTNC repository is being split into 3 separate repos. The PCB, spacer, and enclosure KiCAD files are now #OSHW licensed under CERN-OHL-S and available here: github.com/mobilinkd/NucleoT…
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If you have a Rev B NucleoTNC board and want to use it for M-17 data, swapping out C1 & C2 for 22uF 16V caps is recommended. This is one of the changes on the Rev C board & schematic.
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Easy modification to an #STM32 Nucleo32 board to allow SWO debugging while preserving LD3 functionality. This allows using SWO when debugging the NucleoTNC (mobilinkd.com/2019/06/24/nuc…). #hamradio
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Here is an update for the special #UVK5 firmware I've been working on supporting #hamradio digital modes (flat response) to fix an issue with frequency drift caused by varying DC bias on the BK4819's MIC line.
github.com/mobilinkd/uv-k5-f…
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UV-K6 mods for digital modes -- both hardware and firmware -- are now documented here: github.com/mobilinkd/uv-k6-d…
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Custom firmware (egzumer fork) for Quansheng #uvk5 #uvk6 with support for digital modulation mode is available here: github.com/mobilinkd/uv-k5-f…
This provides a flat response in TX and RX. A few small hardware mods are needed. These will be documented in detail soon.
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Mobilinkd -- Find us @Mobilinkd@mastodon.radio retweeted
Eyes wide open -- Quansheng #uvk6 (AKA #UVK5) 9600 baud GFSK reception. Small HW modifications, and egzumer firmware modified for digital modulation/demodulation. #hamradio
ALT Eye diagram of GFSK baseband reception from Quansheng UV-K6.
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