575933-1938-Supplementary-Wireless-transmissions-from-the-Royal-Observatory-Hong-Kong — Page 4

Fig.

Group 1 1st

153

Land Stations.

2nd

3rd

4th

5th

Index number of station or designating letters as per list.

Barometric tendency-Table IX

Past weather-- Table VII

Group 2 1st Direction of wind-Table III

2nd

3rd

Force of wind-Table V

4th

Present weather-Table VI

5th

Group 3 1st

2nd

Barometer in millibars or inches-Table VIII

3rd

Visibility-Table XII

4th

5th

Temperature, whole degrees Fahrenheit.

Ship Stations.

Fig.

Group 1 1st

Day of the week-Table I

2nd

3rd

4th

5th

}

Group 2 1st

2nd

Octant of the Globe (unnecessary-use letter X)

Latitude in degrees and tenths

Longitude in degrees and tenths-omit initial 1 if long. is 100°

more.

3rd

4th

5th

{ Ģ. M. T.---prefixing 0 if below 10 hours.

G.

or

Group 3 As Group 2 for Land Stations.

Group 4 As Group 3 for Land Stations.

(4

"X" is to be used in place of the appropriate figure when the information is not available.

Example.

Land Station.

Ship Station.

810XX 16302

05885

Hong Kong. Wind south, force 3. Cloudy. Bar. 29.68 inches. Visibility very good.

3X185

Temp. 85° F.

14506 18550 20X45

mc.

Tuesday. Lat. 18.5° N. Long. 114.5° E. 2200 G.M.T. Wind E. force 5. Drizzle. Bar. 30.12 inches. Temp. 45° F. Mercurial corrected.