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151
No.
G. M. T.
H. K. St.
Time.
Nature of Transmission.
8
1200
2000
Synoptic
9
1200
2000
10
1200
2000
Station and wavelength.
in
International Code of 2 p.m. observations from land and ship stations. General inference and dis- trict forecast as below.
General inference from 2 p.m. observations and forecasts, &c., as No. 5.
General inference and forecast for district C from 2 p.m. observations.
Simultaneously on
GYP
2098
GZ06 35.84 and GZ07 26.48
metres.
VPS as for No. 1.
ZBW on 355 m.
telephony.
11
1255-1300 2055-2100
Time Signals as at 9.55 a.m.
VPS as for No. 1.
When available upper air data from land and ship stations will be included in the synoptic and will be in the following form:-
where
Pilots Ships Pilots
PQLLL
IIIGG
HHddv, etc.
WGG
HHddv, etc.
III Index number of station
GG
Greenwich Mean Time
HI-Height, in hectometres
dd Direction of wind, in degrees from North, divided by 10 and increased by
50 when wind velocity is greater than 47 kilometres per hour. v5 Velocity of wind as below
Code No.
dd 01 to 36
dd 51 to 86
OHNM TH LO CO N∞∞
0
1
0— 2 k. p. h. 3 7
48-52 k. p. h.
53-57
8-12 13-17
58-62
63-67
18-22
68-72
5
23-27
73-77
6
28-32
78-82
7
33-37
83-87
38-42
88-92
43-47
93-97
P-Day of week
Q-Octant of Globe
-
LLL Latitude, degrees and tenths
Ill Longitude, degrees (two figures) and tenths
2. In addition storm warnings will be broadcast by VPS on 600 metres and 36 metres, and by ZBW on 355 metres telephony upon receipt. They will be repeated as follows:
ZBW (355 m. telephony). At the two subsequent hours.
VPS (600 m. and 36 m. telegraphy). At 18 minutes past each of the sub-
sequent two hours.
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