I'm presently converting a Gates BC-1H (and later a BC-1T) transmitter to 160, 75 and 40 meters. Using a HP 3320B frequency synthesizer as a VFO and a home brew MOSFET driver fed into the grids of the 807s. From there I'm modifying the 807 output tank with relays for 160-40. The final output (two 833's) will be tuned with the stock roller inductor along with a vac. variable. The synthesizer is accurate and drift free, I see alot of them on ebay for reasonable prices.
Bob KG4OJZ (ex K1SUI)
Transmitter Engineer
WDBJ-TV-7

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