December 21st 08, 04:49 AM
posted to rec.radio.amateur.boatanchors
|
|
external usenet poster
|
|
First recorded activity by RadioBanter: Jan 2008
Posts: 239
|
|
BC-221 CALIBRATION BOOK
There were some articles regarding BC-221 calibration
in the late 40s early 50s QSTs.
Pete
|