Great pieces of work should always be referenced as often as possible and this list of digital modes by G4UCJ that I stumbled across while looking for information on the newer digital slow scan television (SSTV) mode, is certainly up there.

With screenshots, descriptions, frequencies, links to decode software and even MP3’s of each mode so you’ll have an easier time identifying what your looking for, its found a place in the limited number of bookmarks I keep stored for hobby radio reference websites.


One of the Analogue SSTV Images from my Collection

Although many of the modes listed are mainly used on the HF bands they still spill over into the VHF/UHF portions of radio Amateur band allocations, meaning they can be received on the more modest range of radio scanners

G4UCJ’s digital mode list can be found over at

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