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Posted by Mike N8OOU on November 09, 2026 at 14:49:11.
In Reply to: Notes on the Kenwood TS-570 posted by Ed Holland on November 08, 2026 at 23:12:57.
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Ed; A short reply regarding the choice of oscillator for a transverter. I have an old Palomar LF upconverter that transforms VLF to 4Mhz. As you tune from from 80/75 meters up past 4 Mhz on my ICOM-706, the relay band switching is is very evident. What is also evident is the sensitivity of the radio is less at 4Mhz than it is at 3.9Mhz. I presume the band filters are designed to be their best in the "Ham Bands. I don't know the details about the TS570, but this might be a point to check out in your selection of crystals. Mike N8OOU 73
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