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1991-03-10
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283b
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12 lines
FT726.1
de ON4KVI @ LX0PAC
To improve the Auto-doppler control on my 726R which has 20hz steps, I
installed a 555 multivibrator circuit across the tuning switch which shorts
the line 2 times a second.
It now pulls the circuit into tune from 300 hz either side.
W9ODI