File:US Navy 100315-N-4774B-258 Operations Specialist 3rd Class Joshua Fournier uses a gyro compass repeater to check the true bearing of the guided-missile cruiser USS Bunker Hill (CG 52).jpg - Wikimedia Commons
Anschutz Repeater 133-560, Reconditioned
How you synchronize gyro repeater with a master gy - YouTube
Repeater Compasses for Anschütz Gyro Compasses
Digital Gyro Repeater IR361 - Buy Product on Nanjing Ninglu Technology Co., Ltd.
Ship repeater - Raytheon Anschütz - for compasses / digital