de WB2CPN Marty, CAA had VHF lower than 140 MHz. 116.1 and 121.5 were there. 126.18 was Control Towers. The two highest VHF I ever used in '46 was 137.88 for ATC, and 140.58 for DF and ATC. I think the Brits were far ahead of us in VHF. In addition to Bendix and whoever, we had Control Tower VHF equipment made by Air Associates. 73 Clete