Related by context. Frequent words. (Click for all words.) 56 QSO 55 callsign 53 HF bands 52 RTTY 46 IARU 44 AMSAT 44 #Z [004] 43 IsatPhone Pro 42 VHF 42 geostationary satellites 42 Ku Band 42 IOTA 41 ARISS 41 Oslo Børs 41 QRP 41 VHF UHF 41 LRIT 41 Arecibo Observatory 40 MMDS 40 EUMETSAT 39 QRV 39 Iridium OpenPort 39 #z [002] 39 MHz frequency 38 QSL via 38 MHZ 38 CORS 38 frequencies 38 Inmarsat 38 5MHz 37 Simrad 37 KHz 37 geostationary 37 Multi Mode 37 SwiftBroadband 37 VOR 37 SatNews 37 SuitSat 37 FleetBroadband 36 MHz 36 ISS Expedition 36 #G/#.#G 36 satellites 36 kHz 36 satellites orbiting 36 repeater 36 #MHz [001] 36 transmitter 36 SatCom 36 Satcom 36 EVN Telecom 36 GSM GPRS 36 OFTA 36 SPI interface 36 6GHz 35 PSK 35 ham radio 35 radar altimeter 35 3G WCDMA 35 GLONASS 34 Transmitters 34 Automatic Identification System 34 GSM WCDMA 34 EPIRBs 34 spectrum analyzer 34 mhz 34 VSAT 34 shortwave 34 VHF radio 34 Submarine Cable 34 emergency locator transmitter 34 ARRL 34 downlink 34 1MHz 34 DGPS 34 BAS 34 Multipoint 34 GVF 34 synthetic aperture radar 34 GSM EDGE 34 uplink 34 Iridium Satellite 34 GHz frequency 34 EUROCONTROL 34 WAAS 34 modems 34 ICOM 34 Ku band 34 Iridium satellite 33 VHF radios 33 GPS receiver 33 datalink 33 DAB digital 33 directional antenna 33 LMR 33 SSB 33 microwave radios 33 NMEA 33 satellite 33 Modems 33 HAM radio