Type : ? receiver
Frequency range: 487 to 512 KHz
Modes: CW and MCW
Designators: Refered to as 1185A and NS703
Comment: This device incorporated a bell alarm which was triggered upon the receipt of the first dashes of an auto alarm signal. It was the follow-on unit for the Vigilant auto alarm.
|The Seaguard as it appears in the radio room of Sprucebank, GMHX, in 1969/70/ (Photo courtesy Ships Nostalgia web page)|
Contributors and Credits:
2) GMHZ photo http://www.shipsnostalgia.com /gallery/showphoto.php/photo/94895/title/sprucebank-radio-room-1969-2f70/cat/530