F 9
Weather Telegrams from Ships by Radio.-The following table gives the monthly number of ships from which radio meteorological messages have been received, and the number of messages received (each arrival and departure is counted separately) :-
Month British (including H.M. Ships) T.L.M.S. in ports. Other Nationalities Total January, 44 137 18 45 175 February, March,... ∞0 63 31 95 93 295 April, 6 56 26 77 87 308 May, 56 203 14 83 37 118 107 404 June, 49. 153 23 91 19 73 91 317 July, 4.8 147 21 I 10 29 . 95 98 352 August, 81 215 1+ 82 1 30 131 145 428 September, 91 237 14 102 78 215 183 554 October, 257 13 115 59 18+ 146 556 290 November, 16 108 67 195 164 593 301 18 125 62 214 164 640 December, 75 61 322 20 116 64 208 16 151 66 302 159 740 Totals (1928, 789 2645 203 1202 588 1893 1580 5740 1927, 544 1802 154 1838 435 1386 1133 5026 { 1926, 1058 5216 831 2376 2376 1889 8883 1925, 687 2199 752 1762 1439 3961 L 1924, 665 1703 852 1667 1517 3370Communication was effected on a wave-length of 600 metres until 1927, April 1st, and on 800 metres until 1928, May, 7th. Wave-lengths of 600 metres and 2,800 metres (H.M. Ships) have been employed since.
It will be seen that the number of British ships sending these messages increased from 698 in 1927 to 992 in 1928. The number of ships of other nationalities increased from 435 to 588.