TYPE 7 HIGH POWER SET
ROYAL NAVY SETS CIRCA 1914
TYPE POWER (KW) PURPOSE FITTED IN  RANGE (NM)  TX  FREQ RANGE (meters) RX FREQ RANGE (meters)
7 100 High power shore stations Cleethorpes,Horsea I, North Front 1,000 1729 to 3660 1729 to 3660

This set uses a spark gap transmitter and a crystal detector in the receiver.Not sure if this set was made by British Marconi.   Is the designator common to both the Royal Navy and British Marconi?  Can anyone collaborate?  Contact: jerry.proc@sympatico.ca

Looking for a photo of this set. Contact: jerry.proc@sympatico.ca


Contributors and Credits:

1) Electronics and Sea Power  VAdm Sir Arthur Hewlett.  Stein and Day New York  1975

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July 4//19