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en:uhf

UHF

Ultra High Frequency refers to frequencies in the range between 300 MHz (i.e. above the VHF band) and 3000 MHz. In German, this frequency range is also known as Dezimeterwellen.

Broadcasting

Broadcasting transmitters were never active in the UHF range. Some former UHF television channels are used today for DAB transmissions, but not in Switzerland.

Military communications

From the mid-1960s, military aeronautical radio was shifted to the 225 - 400 MHz range.

Radio for public authorities (PSB radio)

Amateur radio

The range 430 - 440 MHz known as the 70 cm band is allocated to amateur radio as primary use and the range 1240 - 1300 MHz as 23 cm band to Amateur radio for secondary use.

UHF - Television

In the upper UHF band, the television transmitters for analogue television in the UHF band used to be active. In the range between 471 and 863 MHz, the television channels 21 - 70 according to the CCIR standard are located; the channel spacing is 8 MHz, the audio carrier is about 5.5 MHz higher than the video carrier.
In 2007, analogue terrestrial television was abolished in Switzerland, and digital terrestrial television was introduced in all language regions.
According to a report by the Swiss Federal Office of Communications, at the end of 2010, 99% of the population was covered with DVB-T - signals and 1.5 million DVB-T-compatible television sets were in use. At the beginning of June 2019, this technology had also reached the end of its existence in Switzerland and was switched off; the corresponding receivers became electronic waste. The successor technology DVB-T2 was never implemented in Switzerland.

Aeronautical radio

From the mid-1960s, military aeronautical radio was shifted to the 225 - 400 MHz range.

en/uhf.txt · Zuletzt geändert: 2021/05/08 10:36 von mb