SCAPIN-1830/10: JAPANESE OVERSEAS RADIOTELEPHONE SERVICE 1948/11/10

SCAPIN-1830/9: JAPANESE OVERSEAS RADIOTELEPHONE SERVICE 1948/10/21

SCAPIN-1830/3: JAPANESE OVERSEAS RADIOTELEPHONE SERVICE 1948/03/24

SCAPIN-1830/5: JAPANESE OVERSEAS RADIOTELEPHONE SERVICE 1948/05/24

SCAPIN-1830/1: JAPANESE OVERSEAS RADIOTELEPHONE SERVICE 1948/02/06

SCAPIN-1830/8: JAPANESE OVERSEAS RADIOTELEPHONE SERVICE 1948/07/09

SCAPIN-1830/6: JAPANESE OVERSEAS RADIOTELEPHONE SERVICE 1948/06/17

SCAPIN-1830/2: JAPANESE OVERSEAS RADIOTELEPHONE SERVICE 1948/03/01

SCAPIN-1830/7: JAPANESE OVERSEAS RADIOTELEPHONE SERVICE 1948/07/02

SCAPIN-1830/11: JAPANESE OVERSEAS RADIOTELEPHONE SERVICE 1949/01/15

SCAPIN-1830: JAPANESE OVERSEAS RADIOTELEPHONE SERVICE 1947/12/06

SCAPIN-1830/12: JAPANESE OVERSEAS RADIOTELEPHONE SERVICE 1949/07/05

SCAPIN-2034/1: JAPANESE OVERSEAS RADIOTELEPHONE SERVICE 1949/10/21

SCAPIN-2034: JAPANESE OVERSEAS RADIOTELEPHONE SERVICE 1949/07/27

SCAPIN-1830/4: JAPANESE OVERSEA RADIO TELEPHONE SERVICE 1948/04/22

SCAPIN-1782/2: JAPANESE WEATHER SERVICE 1948/10/14

SCAPIN-1900/3: INTERNATIONAL POSTAL SERVICE 1948/11/16

SCAPIN-1782/1: JAPANESE WEATHER SERVICE 1948/08/21

SCAPIN-1309: RADIOTELEPHONE SERVICE BETWEEN THE UNITED STATES AND JAPAN 1946/11/02

SCAPIN-1762/10: OSAKA-COLOMBO RADIOTELEGRAPH CIRCUIT 1948/11/10

SCAPIN-1707/6: EXPANSION OF RADIOTELEGRAPH SERVICE VIA MANILA 1948/10/02

SCAPIN-1744/10: CONTROL OF RADIO COMMUNICATIONS 1948/11/01

SCAPIN-308: OPERATION OF JAPANESE WEATHER SERVICE 1945/11/19

SCAPIN-1344: OPERATION OF JAPANESE WEATHER SERVICE 1946/11/17

SCAPIN-1948: AERIAL GUNNERY RANGE 1948/12/10