CO129-491 - Public Offices - 1925 — Page 281

1

Your referenco

P.O. reference

57824/24.

...97307/24.

All communications should be

addressed to

The Secretary,

General Post Office."

TIONAL

SCHEME

DISABLED

MEN

272

GENERAL POST OFFICE,

LONDON, E.C. 1.

16

...February...

.1925.

7522

REC

Sir,

57624

14

RE 17 FEB 25

With reference to your letter of the 17th December (to

which it is regretted that you have not received an earlier

reply), transmitting copies of a telegram and despatch from the Governor of Hong Kong, relative to the interim report

07/24

Jestem

of the Wireless Sub-Committee of the Imperial Communications

Committee, I am directed by the Postmaster General to

observe that the report by Mr.King (which forms an enclosure to the despatch), recommending that the Oap d'Aguilar

Station should be retained, appears to have been based upon

a misapprehension as to the precise scope of the Admiralty

proposals for adapting the Stonecutters Station for

"diplex-duplex" working.

As explained in the note to paragraph 5 of the interim report referred to (1.0.0. Paper No.780), the adoption of the "diplex-duplex system would enable Stonecutters not

only to work with ships on the commercial spark wave, but

at the same time to maintain, alternatively, (i) a duplex

service on continuous wave with adjacent point-to-point

stations, or (ii) a simplex service on continuous wave with

ships. The advantages of this system are elaborated in

paragraph 11 of the joint memorandum by the Admiralty,

|Colonial Office and Post Office, circulated as 1.0.0. Paper

W.T. Sub No.202. In particular its adoption enables a

combined point-to-point and ship-and-shore station to

handle a greater volume of traffic than two independent

nder Secretary of State, OLONIAL OFFICE.

stations