Ham Radio - Kenwood TS-480HX Options Installation | Filter a… | Flickr
The cheap Chinese copies of the Kenwood TCXO boards are rubbish, I bought and installed a superb TCXO from Mark Goldberg, W7MLG. The results are fantastic, my TS-590SG is now spot on
Kenwood SO-3 High Stability Oscillator – ATR
301: How to install and adjust the SO-3 TCXO in the Kenwood TS-590 - YouTube
Kenwood High Stability TCXO SO-3 – Jahnke Electronics