Since the PTO is not easy to tune quickly and since it is not stable (it needs
the CPU to monitor and correct the frq) the use of an external signal might
prove interesting. What would happen to the quality of the received signals
using an external source? How pure would the external signal have to be? Could
you then disable the CPU to make the rig better on RX? Stuff like that.
Bill Ames
KB1LG
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