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Marc Balmer HB9SSB

@hb9ssb

Software Developer. Hamradio Operator. IARU Region 1 Open Source Projects Coordinator In god we trust, in C we code.

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12.03.2025
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Latest posts by Marc Balmer HB9SSB @hb9ssb

Google Summer of Code is a program by Google where students get involved in open source projects. LabLua, the programming language lab at PUC Rio de Janeiro is again participating as a mentoring organisation. They have a project proposal: Integrate the Lua scripting language into OpenRTX.

#Lua

21.02.2026 16:32 ๐Ÿ‘ 1 ๐Ÿ” 2 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
What is trx-control?

I just updated trx-control to use the latest version 5.5.0 of the Lua programming language. This gives new possibilities, especially using external strings to avoid unnecessary data copying.

trx-control.msys.ch

#trx-control #lualang #hamradio #moderntransceivercontrol

07.02.2026 10:24 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
Preview
FOSDEM 2026 - Stands

The infostand on amateur radio at FOSDEM'26 will be in building AW, stand 12, just next to the GNURadio stand.

See fosdem.org/2026/stands/

See you in Brussels!

#amateurradio #fosdem #iaru-r1 #opensource

29.01.2026 08:00 ๐Ÿ‘ 3 ๐Ÿ” 2 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

I am looking forward to attend FOSDEM'26 in my role as IARU-R1 open source projects coordinator as well as an active open source developer. When I am not visiting OSS projects, I am likely to be found near the amateur radio info stand. See you in Brussels!

28.01.2026 09:54 ๐Ÿ‘ 1 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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Merry Xmas and HNY!

24.12.2025 12:23 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Friends, support the IARU-R1 opensource projects list by adding what's missing... 73!

13.09.2025 08:12 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

New version of the qth locator app for iOS and Android are out. Enjoy!

14.08.2025 17:37 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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trx-control in action: Shows DX cluster spots. Clicking on them will retrieve additional data from HamQTH, tune the transceiver to the spots frequency and display the station on a world map. The cluster, hamqth and transceiver control are all integrated in trx-control. No other libs are involved.

27.07.2025 11:44 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 1
What is trx-control?

trx-control 1.3.5 adds commands to power on or off a transceiver. Also, with older Yaesu rigs like e.g. the FT-817, both VFOs are now supported.

Prebuilt binary packages are available for a variety of Linux distributions and CPU architectures.

trx-control.msys.ch

#trx-control #amateurradio #CAT

08.07.2025 15:17 ๐Ÿ‘ 3 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
What is trx-control?

Release early, release often: trx-control 1.3.4 with stability fixes is out.

trx-control.msys.ch

#hamradio #amateurradio #trx-contril

07.07.2025 16:57 ๐Ÿ‘ 3 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
GitHub - arcapos/luayaml: YAML for Lua YAML for Lua. Contribute to arcapos/luayaml development by creating an account on GitHub.

HB9HOX showed me a nice feature of YAML: Anchors, aliases and overrides.

I added this feature to my YAML Lua module and it is available e.g. in trx-control.

See github.com/arcapos/luay... for the source and trx-control.msys.ch/trx-control-... for the docs

#trx-control #hamradio #Lua #YAML

04.07.2025 14:33 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Can you give me product and vendor ID of the USB devices? I can then add a udev rules file for them.

04.07.2025 12:18 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Hi! Thank you for your offer! I looked at the TS-590 docs (I don't have one), and the commands look quite sane. I guess that this TRX can easily be support. How do you connect to the trx? Over USB?

04.07.2025 12:11 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 0

And I completely missed to mention the projects URL:

trx-control.msys.ch

03.07.2025 16:36 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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I presented trx-control at the IARU Region 1 Innovation Zone at the HAM RADIO 2025 fair in Friedrichshafen.

A modern way of controlling rigs and other devices.

#hamradio #trx-control #iaru-r1

03.07.2025 16:34 ๐Ÿ‘ 4 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 1

If you donโ€™t follow IARU Region 1 yet, this might be a good opportunity to do so.

02.07.2025 20:02 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

RADIO DARC interviewed me during HAM RADIO in Friedrichshafen about my role as Open Source Projects Coordinator in IARU Region 1.

The interview will be broadcast next sunday at 09:00 UTC on 9670 khz with 125 kW of power from Woofferton, England.

#hamradio #iaru-r1 #opensource

02.07.2025 17:49 ๐Ÿ‘ 4 ๐Ÿ” 2 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
Call for Articles: Contribute to aย New IARU-Sponsored Magazine-Style Website | International Amateur Radio Union (IARU)Call for Articles: Contribute to a New IARU-Sponsored Magazine-Style Website - In...

Call for Articles: Contribute to a New IARU-Sponsored Magazine-Style Website

IARU Region 1 is developing a magazine-style website covering a broad range of technology and STEM-related topics.

www.iaru-r1.org/2025/call-fo...

#hamradio #iaru-r1

26.06.2025 21:32 ๐Ÿ‘ 1 ๐Ÿ” 3 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

A nice occasion for content creators to meet their audience and vice versa! See you at HAM RADIO!

btw, I will be at the IARU R1 Innovation Zone all three days.

25.06.2025 07:14 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
trx-control

Working on device hot plug snd runtime extension loading / unloading for #trx-control. Getting USB events is actually quite easy, so this looks doable.

trx-control.msys.ch for details.

09.06.2025 10:54 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
trx-control

trx-control now has support for AlpineLinux. Create ultra-small containers based on AlpineLinux using the new packes for Alpine.

trx-control.msys.ch

#trx-control #hamradio

05.06.2025 08:48 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 1

This coming weekend we celebrate not only one, but two great anniversaries in Paris: IARU turns 100 and the IARU Region 1 turns 75! What an achievement, what a great occasion to sent a truly heartfeld 73 to all radio amateurs worldwide.

If you post about the event, please use the hashtag #iaru100.

23.04.2025 16:54 ๐Ÿ‘ 10 ๐Ÿ” 6 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 1

The update is now available in the App Store.

18.03.2025 07:32 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

The now deprecated qth locator app for iOS has gained a direct link to download the successor Grid Locator. Just open the navigation drawer and follow the link.

13.03.2025 16:16 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

๐Ÿฅ‚ The first update of the Grid Locator app for iPhone, iPad and the Apple Watch is about to hit the App Store:

๐Ÿ‘ You can switch between metric and imperial units.

๐Ÿ‘ You can request notifications when the locator changes while the app is in the background.

๐Ÿ‘ The UI has been translated to ๐Ÿ‡ซ๐Ÿ‡ท and ๐Ÿ‡ฎ๐Ÿ‡น.

12.03.2025 13:21 ๐Ÿ‘ 3 ๐Ÿ” 2 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0