nav/com vs gps upgrade

  1. David F

    Upgrading a NAV/COM instead of an older model GPS

    I just purchased a 1963 Cherokee 180 - Two older King radios (KX-170s), one is a 360 channel. I replaced that with a GTR-225, but the second, I was looking to replace the other with a GNC-255 - the radios aren't cheap these days and are so hard to find anything in stock. Any thoughts on this? I...
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