Radiodetermination service : supplement 1 to volume 1997 M Series - part 4 / ITU-R
Mobile satellite services and radiodetermination satellite service : supplement 1 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
1997 M series : Reports: radiodetermination and land mobile service: M.2013 - Wind profiler radars: M.2014 - Spectrum efficient digital land mobile systems for dispatch traffic / ITU-R