Anyone who cannot copy the Sbitx_V2 image to the SD card should not want to operate a radio with Raspberry Pi4.
First you need to learn how to use the Raspberry Pi.
Before I bought a Sbitx_v2, half a year ago I started to get to know a Rapsberry Pi-400, on which I tried to learn the basic things.
I've also posted a few things here that I've modified on the device.
This year was particularly strong for me. At the age of 72, I did a lot of physical work renovating the house and its surroundings.
I do all this for my grandchildren. But next to him, I took the time to connect with radio.
What frustrates me is that the person I'm trying to help ignores the help.
Today's youth...I could say.
It doesn't bother me if you stop and sell your device. It is your life.
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Gyula HA3HZ