June 18, 1951 RF Carrier 

by | Mar 21, 2012 | 1951, The RF Carrier, Year

Here is the June 18, 1951 RF Carrier

For 1951, we only found this copy of the bulletin
This is the first time we have seen the name
“RF Carrier” used. It was adopted sometime between
1948 and and 1951.

{pdf}http://www.w8bi.org/images/RFCarrier/1951/06-18-51.pdf|height:600|width:500|app:adobe{/pdf}