On Jun 14, 2012, at 7:58 PM, RichardBJohnson at comcast.net wrote: >Do not believe Wikipedia. No station -- none, ever switched to 640 or 1240 kc/s for CONELRAD. I beg to Differ but the RCA BTA-1R1 at WAIM still had the CONELRAD kit in it to switch from 1230 to 1240 when I was there in 1991 73, Kevin Raper KJ4HYD CE WCKI WQIZ WLTQ