CO129-458 - Public Offices & Others - 1919 — Page 477

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Both warning and Time Signals are sent out on a

wave length of 1,000 metres from a 5 kw. spark sat. The Time Signals are dots of about 0.2 second duration. Radio-telegraphic land and

ship stations within range of Cape d'Aguilar are required to keep silent between 11.54 a.n. and noon, and 8.54 p.m. and 9.0 p.n. Hong Kong time (3.54 a.m. and 4.0 a.m. and 12.54 p.m. and 1.0 p.m. G.M.T.) in accordance with Article 45, paragraph 3 of the Service Regulations appended to the International Radio-telegraph Convention of 1912. Operators are also required to keep themselves provided with the most accurate time available in order to know when to shut down.

The times given in brackets represent the 0.M.T. equivalent of Hong Kong standard time. The latter time is 8 hours in advance of 0.M.7.

THE MARCONI INTERNATIONAL MARINE

COMMUNICATION COMPANY, LIMITED,

Marconi House,

Strand, London, W.C.2.

11th June, 1919.