Archives de catégorie : Radio

Just received my RC-10!

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Well, I have nothing much to say, excepted that it seems to work, which is a pretty good thing for what I intend to do with it. However, its LCD displays disjointed stuff, like 40.00 all the time, or 40.40, or 40.80 … don’t know why. I can only see the frequencies stored in the transceiver’s memories and call channel, but not the VFO. The VFO data sent by the transceiver seems to be followed by some other data that are mistakenly interpreted as the frequency, so every frequency I set is displayed on the RC-10 then automatically erased with the 40. »something ». This « something » seems to be a bit field that indicates the power level (LOW, MID & HIGH). Anyways, it shouldn’t stop me from hacking it!
Now I have to open the MIC plug and connect the logic analyzer.
To be continued…

First entry….

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I’ve been looking for informations about Kenwood’s RC-20 remote control for a long time and I’ve finally stumbled upon this blog recently: http://n9xlc.blogspot.fr/search/label/TM-241a
I’ve never been able to lay hands on one of these remote controls on eBay, mainly because they were too expensive or because the sellers didn’t want to ship it to France. So thanks to this blog I’ve discovered that there was another device that could control my transceivers: the RC-10. I don’t know if they both have the same functions, but I’ve found an RC-10 that I should receive next week and I’ll torture it with my protocol analyzer to hack its protocol too, because I just can’t wait for N9XLC to provide the whole commands list 🙂 Besides the technical challenge, my goal is to be able to build a stand-alone board that would allow me to control my transceivers from anywhere, via an embedded web server for instance. This could lead me to build some kind of repeater controller board… who knows… what do you think about that?