FT4 transmitters/transponders

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Jim Gonthier

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Dec 1, 2025, 5:39:02 PMDec 1

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I have S.A.T. that shows FT4 transponder for some - like RS-44 and JO-97. However, I don't see the same in SkyRoof - is there a way to add them by hand?

Thanks and 73s,

Jim

KC1WAY

Alex VE3NEA

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Dec 1, 2025, 6:23:02 PMDec 1

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RS-44, JO97 and some other satellites have linear transponders that are used for SSB, CW and FT4. There are no transponders dedicated to FT4.

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