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Old Jul 31, 2010, 09:08 PM
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Joined Dec 2004
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whats this frequency being off to work?

I copied this because I always thought the
Rx and the TX crystals have to match and all of mine do at least whats stamped on them.
The frequency marked on the UM1 crystal that came with my R-4P or R-6N does not match my transmitter's frequency?

In order for a single conversion receiver to work with a given transmitter frequency, the receiver will require a crystal that has a frequency value that is +455 kc above the transmitter crystal. For example, channel 40 will have 72.590 marked on the transmitter crystal. The matching UM1 crystal will be marked 73.045 in order for the single conversion receiver to work.
can anyone explain this to me
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