I am a novice with regard to winlink.
My understanding is that the standard 'winlink' program suite is for Windows only, so not applicable to sbitx.
My other understanding is that the 'pat' winlink program is popular on Linux.
I looked at it once and I would say getting this to work on sbitx's Raspberry Pi is not simple.
My go-to source for this is watching the relevant videos on the KM4ACK channel on YouTube.
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Regards,
Dave, N1AI
Dave, N1AI