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- Hamvention in Dayton, our 10th year! Booths 530/531 in East Hall.
- GH Everware Software Version 2.4 now available!
- Now offering rotator/controller packages featuring Yaesu rotators!
- RT-21 works great with PST RR55 ring rotator!
See this video
The RT-21r is the same as our standard RT-21 except it does not include the large transformer and therefore, cannot directly operate a rotator motor. This unit is intended to control systems that use external relays that in turn operate large motor rotator systems, or to operate our selection of Remote Power Units (RPU).
Remote Power Unit for large motor systems up to 2 HP. Provides precision speed/ramp control for rotating towers, large rotating masts or any system that requries 90/180VDC motors. Includes industrial PWM motor controller, interface board, relays connector blocks mounted on a large aluminum plate and installed inside a NEMA rated fiberglass enclosure with three watertight access connectors. Attaches to 115/230 VAC mains, power cable not included. Requires RT-21r or standard RT-21 controller.
Warranty and Returns
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Green Heron Engineering LLC