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Driving two rotor sets

Anyone have any really good ideas about how to drive two Yasu az/el rotor 
sets from one KCT, or slave two G-5400s together?

Antennas for 7 bands just won't fit on one rotor :-)

Seems like, if the KCT will safely drive two relays, one could just build a 
cable that added the relay control wires (only) to the second rotor control 
box.  As long as they started in the same spot wouldn't they track together?

Will any of the current rotor control boxes do this the right way (looking 
at position and driving both independently) ?  Seems like a PIC or Atmel Mc 
with a dual channel DAC could be programmed up to do this easily. . .


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