Antenna rotator

Heavy-duty ham rotators are designed to turn extremely large, heavy, high frequency (shortwave) beam antennas, and cost hundreds or possibly thousands of dollars.

In the center of the reference picture, the accompanying image includes an AzEl installation rotator, so named for its controlling of both the azimuth and the elevation components of the direction of an antenna system or array.

An open hardware AzEl rotator system is provided by the SatNOGS Groundstation project.

These products were heavily advertised for radio use in newspapers starting in the early 1940s,[1] and for use with commercial television sets from 1949 into the 1960s.

The rotator market was served by a number of manufacturers including Although the cord-cutting movement has increased interest in receiving free over-the-air television signals, as of December 2021 consumer options are limited.