[Boatanchors] Need a 404-90 / 4990khz Crystal Filter

Gary H. Harmon, Jr. gharmon at idworld.net
Mon Jun 9 20:56:31 EDT 2014

A friend is restoring a Heathkit HX-20 SSB transmitter.  The filter is used
in the HX-20 and HX-10 transmitter.  If you have one to sell or trade, let
me know and I will notify the person in need.


Many 73,


Gary H. Harmon, Jr. - K5JWK - Radio Archaeologist

6003 Archwood

San Antonio, TX 78239-1504

210.657.1549h / 210.884.6926c/t


"Real Radios Glow In the Dark"

"Too Many Projects, Not Enough Time"




More information about the Boatanchors mailing list