analogue photo transfer over radio

Last night I picked up a weird signal on 14.074 MHz that wasn’t quite Olivia, and wasn’t quite Contestia. After a while I worked out it was MFSK16; but only after I started calling CQ nearby in Olivia and the original caller, Don (W5VRX) in Arlington, TX, told me what it was.

Don told me that MFSK could send pictures, and that Fldigi supported it well. It’s a bit slow, can be subject to noise, but you can get quite clean results. Here’s what Don sent me:

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