@EV_Trapper These components are readily available in the Chinese secondhand market. They are power amplifier modules used in 900MHz GSM mobile communication stations. This is nothing special; some weapons systems are even equipped with American equipment, including American GPS devices.
@binoopjoseph A monitoring turntable from a Chinese company, model: YS3081, the motor is NEMA 23 stepper, in fact you can use any stepper motor or servo motor driven turntable product.
Thanks to the advanced algorithm of the new version of OpenATS, the fine tracking effect of the tracking turntable is achieved, and various software and script controls are opened up through TCP communication.
Tracking satellite with 86° elevation,When facing high elevation angle transit, the best way is to use tilt compensation or the maximum elevation angle 180° mode.