When googling for sbitx info, I ran into the sbitx group on facebook ( ) and it seems Carl has been able to get his sbitx to boot with some help from other sbitx users.
The key post seems to have been:
Daniel Wendt-Fr?hlich
It worked for me with the raspi-imager and "other/own image".
Maybe the image is not working? Maybe you want to try my shrinked image for SBITXv2: https://drive.google.com/.../1fzAxP5e3n19EEBIejtB.../view...
Just download and unrar it and use it with the raspi-imager.
This image will expand to the card size at first boot. Just plug it in, start the raspi in the SBITX and let its work done. After reboot it will be the standard-SBITXv2-Image.
BUT (and this is really important):
As all calibration data is lost you won't have any PA-Output-Power.
You have to do both, Power Meter calibration (https://www.youtube.com/watch?v=iJLXfQv_C6U) and Trasmit Power calibration (https://www.youtube.com/watch?v=5tCVoCxx_R8)
After that you want to check the Drive-Setting/BIAS on your Board. You don't want to exceed 30 to 35W at 40m on a dummy load. Believe me, you don't want that ?
Check this for setting the right bias: https://www.sbitx.net/index.php/category/repairs/
It appears that notes on some of these procedures can also be found at ( not ).
I believe you can avoid the calibration steps if you were able to save the files in the /home/pi/sbitx/data folder from the sdcard the radio came with. At least that's how I interpret the response to a question I asked earlier on this group.
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Regards,
Dave, N1AI
Dave, N1AI