1638

THE NEW ZEALAND GAZETTE.

[No. 62

3. Messages will be broadcast as follows :-

(a) From Rugby—

Time.                          Wave.                            Remarks.
0000 G.M.T. { 16 kc/s (18,750 metres) } During transmission
              8,640 kc/s (34·720 metres)   of British Official
              12,975 kc/s (23·130 metres)  Wireless News.
1200 G.M.T. { 16 kc/s (18,750 metres) }
              12,975 kc/s (23·130 metres)  Immediately preced-
              19,640 kc/s (15·275 metres)  ing British Official
2000 G.M.T. { 16 kc/s (18,750 metres) }  Wireless News.
              8,640 kc/s (34·720 metres)
              12,975 kc/s (23·130 metres)

(b) From Falklands—

8,450 kc/s (35·5 metres)—at 0410 and 1610 G.M.T.

(c) From certain medium and high power W/T stations abroad—

Between 150 kc/s (2,000 metres) and 90·9 kc/s (3,300 metres),
and in certain cases on higher frequencies at the times
shown in column 6 of the Schedule.

(d) From certain W/T stations—

500 kc/s (600 metres)—at any time.

4. A list of the stations included in the organization showing the areas
   for which they will transmit and the waves on which messages will be broad-
   cast is shown in the Schedule. As far as possible the times 0400 and 1600
   G.M.T. have been fixed for transmissions from stations under paragraph 3 (c)
   above, since, in all areas of the world, one or other of these times will fall
   within a period when ships with one operator are keeping watch. Times
   at which messages will be broadcast from 500 kc/s (600 metres) stations are
   not included in the Schedule, since merchant ships keep normal watch on
   this wave, and messages may, therefore, be broadcast from these stations
   at any time. Messages broadcast outside single-operator periods will, for
   the benefit of ships with one operator, be repeated at the commencement
   of the next following single-operator period.

5. Messages containing information affecting British merchant ships
   will be broadcast—

   (a) By Admiralty to all British merchant ships in all areas ;
   (b) By Admiralty to British merchant ships in any particular area or
   areas ;
   (c) By Naval Authorities abroad to British merchant ships in the
   areas for which they are responsible.

   Messages under (a) will be broadcast from Rugby and Falklands with
   the call sign GBMS, and will also be broadcast with the same call sign by the
   W/T stations concerned shown in column 3 of the Schedule. (Messages
   under (a), during “ test ” periods, will be broadcast from Rugby and Falk-
   lands only.)

   Messages under (b) will be broadcast from Rugby and, if necessary,
   from Falklands, with the call sign or call signs for merchant ships in the
   particular area or areas concerned. They will also be broadcast by the
   W/T stations of the area or areas concerned, using the appropriate
   call sign.

   Messages under (c) will be broadcast by the W/T stations shown in
   column 3 of the Schedule, using the call sign for merchant ships in that
   area (vide paragraph 2 above). Such messages may also be broadcast from
   Rugby and/or Falklands with the same call sign.

6. The W/T stations broadcasting messages will use their own call signs
   and will indicate the Naval Authority originating the message at the beginning
   of the text. For example, a message broadcast by Aden W/T station
   from Commander-in-Chief, East Indies, for merchant ships in Area 3 :
   CT GBMS 3 GBMS 3 GBMS 3 DE GZQ GZQ GZQ BT from Commander-in-
   Chief, East Indies, BT. During the period 1st March to 30th April, 1926,
   H.M. ships engaged in the prevention of smuggling arms will be operating
   without lights in the Persian Gulf BT 1030 () BT Repetition BT from
   Commander-in-Chief, &c., &c., BT 1030 () AR VA.

   Note.—(*) This is G.M.T. at which the message was ordered to be sent.
   It may be followed by the date, thus : “ 1030 NR 15 NR 2.”

7. The procedure outlined in this organization is not intended to interfere
   with or replace existing arrangements for broadcasting to merchant ships
   messages concerning navigational dangers, weather reports, or gale warnings.
   Where routine arrangements exist for broadcasting such messages, those
   arrangements will continue in force.