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cp200 frequency shift problem


Mar 30, 2020
I'm hoping someone can shed some light on a weird issue I'm having with a vhf cp200.
If I program a frequency between 146.000 and 146.490, the radio works on frequency. If I program a frequency between 146.500 and 146.990 it shifts both rx and tx by 80khz. If I program 147.000 it's back on frequency.

I'm stumped. Checked and rechecked codeplug. Wrote and read numerous times to see if something was being changed. No dice. Any ideas?


Mar 30, 2005
So Cali
Alignment and Calibration is not correct. Maybe someone jammed in a codeplug in that radio that was from another radio.