SRL Spacecraft Reference Line 宇宙飞船参考线 SRL Secure Radio Link安全无线电联系 SRL Survey Research Laboratory (University of Illinois, Chicago) 调查研究实验室,芝加哥伊利诺大学 ..
The player-piano rolls in the transmitter (aboard the ship) and receiver (in the torpedo) would be started at exactly the same moment, and would then stay synchronised after launch, providing a secureradiolink from the ship to the torpedo.