无线电频带划分(国外英文资料).doc

无线电频带划分(国外英文资料) Short wave communication frequency function division: 1600 kHz ~ 1800 kHz: mainly beacons and navigational signals used to locate the fish and offshore oil RIGS. 1, 1800 kHz ~ 2000 kHz: 160 meters of amateur radio, with the best reception in the autumn/winter season. 2000 kHz ~ 2300 kHz: this band is used for maritime communication, 2182 kHz is reserved for emergency rescue frequency. 2300 kHz ~ 2498 kHz: 120-meter radio. 2498 kHz ~ 2850 kHz: this band has many maritime stations. 2850 kHz ~ 3150 kHz: mainly used by air stations. 3150 kHz ~ 3200 kHz: assigned to a fixed platform. 3,200 kHz ~ 3400 kHz: 90 meters of broadcasting, mostly in tropical areas. 3400 kHz ~ 3500 kHz: for air communication. 3,500 kHz ~ 4000 kHz: 80 meters of amateur radio. 4000 kHz ~ 4063 kHz: fixed station band. KHz ~ 4438 kHz: for maritime communications. 4438 kHz ~ 4650 kHz: for the communication between the platform and the mobile station. 4750 kHz ~ 4995 kHz: 60 meters of broadcasting, mainly used by radio stations in the tropics. The best reception is in the autumn and winter evenings and evenings. KHz ~ 5005 kHz: international standard time frequency broadcasting station. It can be heard in 5000 kHz. 5005khz ~ 5450 kHz: this band is very chaotic, the low end some radio stations, and the fixed platform and the mobile platform. 5450 kHz ~ 5730 kHz: airwaves. 730 kHz ~ 5950 kHz: this band is occupied by certain fixed stations, and several radio stations can be found here. 5950 kHz ~ 6200 kHz: 49m broadcasting band. 6200 kHz ~ 6525 kHz: very congested maritime communication band. 525 kHz ~ 6765 kHz: airwaves. 765 kHz ~ 7000 kHz: used by fixed platform. 7,000 kHz ~ 7,300 kHz: amateur radio waves around the world, and occasional broadcasts will appear here. 7300 kHz ~ 8195 kHz: mainly used by fixed stations, there are also some radio stations broadcasting here. 8195 kHz ~ 8815 kHz: maritime communication spectrum. 8815 kHz ~ 9040 kHz: airwaves, you can also hear some aeronauti