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

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

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

SCAPIN-1884: INTERNATIONAL MAIL SERVICE 1948/04/25

SCAPIN-1744/8: CONTROL OF RADIO COMMUNICATIONS 1948/07/22

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

SCAPIN-1759/4: EXPANSION OF RADIOTELEGRAPH SERVICE VIA THE UNITED STATES 1948/04/02

SCAPIN-1762/4: EXPANSION OF RADIOTELEGRAPH SERVICE VIA OSAKA-COLOMBO CIRCUIT 1948/04/14

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

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

SCAPIN-1900/4: INTERNATIONAL POSTAL SERVICE 1948/12/13

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

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

SCAPIN-2000: JAPANESE POLICE RADIO STATIONS 1949/05/04

SCAPIN-2134: RATIONALIZATION OF JAPANESE POLICE RADIO STATIONS 1951/01/04

SCAPIN-1913/1: RADIO COMMUNICATIONS FOR THE JAPANESE WHALING FLEET 1948/10/14

SCAPIN-1762/5: EXPANSION OF RADIOTELEGRAPH SERVICE VIA OSAKA-COLOMBO CIRCUIT 1948/04/19

SCAPIN-1759/5: EXPANSION OF RADIOTELEGRAPH SERVICE VIA THE UNITED STATES 1948/04/17