FS: 100 Khz Crystal Calibrator
 

For Sale - Heath Model HRA-10-1 Plug in 100 Khz Calibrator. This unit
uses a 6BA6 tube with a 100 khz crystal and plugs into the optional
socket on the HW-12 type series mono band SSB transceivers and several
other Heath tube type rigs.

$28.85 which includes priority postage.

73 Bob W7AVK