Thanks Markus for the kind words and for confirming that now FT8 TX works.
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I just created an SD card image for others who want to try it without having to build everything from scratch.
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The image is available here:
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A couple of notes:
- if you write that image on an existing R1CBU firmware SD card, it should retain all the settings (callsign, grid square, etc), since it tries to mount the DATA partition if it finds it. At least this works in my case where I use the command 'dd' under Linux to write the SD card. I am not sure if other programs only write the exact amount of bytes of the sdcard.img file or say add a block of 0 bytes after that, in which case the DATA partition might not be mountable
- after the first use the network settings (and other useful files like the SSH host keys) are also saved to the SD card (in the 'backups' directory), and there should be no need to reconfigure them after an R1CBU firmware update.
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Please give it a try and let me know how it goes - I would consider this still a beta, but it won't brick your radio.
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Again, many thanks to Oleg, Georgy, and Rui for their outstanding work on this custom firmware!
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73,
Franco K4VZ
