Maritime mobile service and aeronautical mobile service : supplement 1 to volume 1997 M Series - part 3 / ITU-R
Radiodetermination service : supplement 1 to volume 1997 M Series - part 4 / ITU-R
Mobile satellite services and radiodetermination satellite service : supplement 2 to volume 1997 M Series - part 5 / ITU-R
Amateur service and amateur-satellite service : supplement 1 to volume 1997 M Series - part 6 / ITU-R