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Packet radio

2 port automatic antenna switch

By Dave June 26, 2021June 26, 2021

Back in the 90s I used a pretty simple 4-port automatic antenna switch built around a logic IC to be QRV with 4 modems and

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Built and tested a NinoTNC N9600A3

By Dave October 11, 2020October 28, 2020

Recently I bought a PCB, ordered the components, and built myself a NinoTNC N9600A3. Just curious how it would work and perform compared to several

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Alan RMD 1200 with Baycom KISS interface

By Dave September 16, 2020September 17, 2020

After enhancing my Baycom modem with a KISS interface it was time to do the same ‘trick’ to an Alan RMD 1200 modem. This modem

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Weather script for Uronode

By Dave September 3, 2020September 3, 2020

Some months ago I wrote a simple Python script which outputs some weather data gathered from the Dutch Buienradar’s JSON feed. It contains reliable data

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Baycom modem USB KISS interface

By Dave August 24, 2020September 17, 2020

Which die-hard packet radio enthousiast doesn’t has one or more Baycom type modems laying around somewhere? Yes… Me too… Unfortunately they aren’t very useful on

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Ax25tools mod for TNN CB support

By Dave August 22, 2020August 22, 2020

Recently I did some testing with several TNN (TheNetNode) versions and noticed the CB versions are addressing NetRom broadcasts to their neighbour’s callsign instead of

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My Dire Wolf soundmodem config

By Dave August 20, 2020August 20, 2020

I get many requests from people how I’ve configured Dire Wolf soundmodem on my Raspberry Pi. Just to avoid mailing my direwolf.conf each time I’ve

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Linux AX.25 kernel module patching

By Dave August 18, 2020August 18, 2020

Because I got tired of manual patching an old bug in Linux’s AX.25 kernel module (which still isn’t fixed!) I wrote a small script to

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Rpi based packet radio setup ‘in a box’

By Dave August 18, 2020August 18, 2020

Somewhere around 2012 I built some sort of proof of concept to see if it was possible to run a full Linux AX.25 stack with

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True open squelch DCD

By Dave August 18, 2020August 23, 2020

Almost all TNCs in my collection do already have some sort of open squelch data carrier detection (DCD). Mostly XR2211 PLL IC based DCDs and

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Recent Posts

  • 2 port automatic antenna switch
  • Built and tested a NinoTNC N9600A3
  • Alan RMD 1200 with Baycom KISS interface
  • Weather script for Uronode
  • Baycom modem USB KISS interface

Recent Comments

  • Marcus on True open squelch DCD
  • Dave on True open squelch DCD
  • Nigel on True open squelch DCD
  • Dave on Alan RMD 1200 with Baycom KISS interface
  • Dave on Baycom2KISS firmware v1.0

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