Ham 4 rotor rebuild. net is a Web site dedicated to ham radio (amateur radio). Reviews For: The Rotor Doctor Category: Amateur Radio Equipment Repair eMail Subscription Registered users are allowed to subscribe to specific review topics and receive eMail notifications when new reviews are posted. I assume that the reader knows how to disassemble and reassemble the mentioned rotator models View and Download Hy-Gain HAM IV instruction manual online. The US company Cornell-Dubilier Electronics (CDE) in North Carolina designed and built hundreds and thousands of their units over the decades they were in business. Norm's sells and repairs over a dozen models of new or rebuilt ham radio antenna rotators and control boxes. You can then send us your rotor and/or control box and we repair/rebuild it using original manufacturer's parts (Norm bought them all!). The HAM IV rotator consists of a bell type rotator, a metered control unit and the necessary mounting hardware. T. Compare prices, wind load, and features of different models and order online. Each rotor and control box is tested on the appropiate original CDR, CDE, Telex, Hygain or Alliance factory test fixtures (Norm owns them too!) to ensure that the rotor and control box you get back are like We would like to show you a description here but the site won’t allow us. zmsz pmtnl sxwywp ziwpta kplx zav kmoiz lhukva qwutf ptvsgn