On 8/16/2010 1:24 PM, David Ross wrote: > From this page, CZR means Zenith Radio. On an ART-13?!?! Yes. But I'm wondering if the transmitter in question really isn't an AN/ART-13, but an ATC-1. Mine is a CZR-52286. My T47A/ART-13 is a CWS, Stewart Warner. -- Jack Antonio WA7DIA/4