What is the keying voltage supposed to be on the PTT line to ground for the Johnson Valiant? Joe www.wc4r.com www.WilliamsburgWX.com _________________________________________________________________ Windows Live™ SkyDrive: Get 25 GB of free online storage. http://windowslive.com/online/skydrive?ocid=TXT_TAGLM_WL_skydrive_032009