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

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

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

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

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

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

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

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

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

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

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

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

SCAPIN-1862: INTERNATIONAL MAIL SERVICE 1948/02/20

SCAPIN-716: NAVAL SPECIAL SERVICE DEPARTMENT 1946/02/06

SCAPIN-1931: JAPANESE MERCHANT SHIPPING 1948/09/02

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

SCAPIN-1658: JAPANESE WEARIER SERVICE 1947/05/06

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

SCAPIN-1228/8: EQUALIZATION OF RADIOTELEGRAPH RATES 1948/02/06

SCAPIN-1900/1: INTERNATIONAL POSTAL SERVICE 1948/08/09

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