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- operate anywhere in Europe. FRS radios use narrow-band frequency modulation (NBFM) with a maximum deviation of 2.5 kilohertz. The channels are spaced at 12...14 KB (1,698 words) - 22:55, 1 April 2024
- Narrow-band frequency modulation (NBFM or NFM) is used typically above 20 MHz. Because of the larger bandwidth required, NBFM is commonly used for VHF communication...57 KB (6,036 words) - 13:27, 31 July 2024
- the European Union. The PRS radios use narrow-band frequency modulation (NBFM) with a maximum deviation of 2.5 kHz. The channels are spaced at 12.5 kHz...2 KB (165 words) - 08:50, 21 May 2022
- streams such as telemetry data. The downlink had subcarriers at 1.25 MHz (NBFM voice) and 1.024 MHz (telemetry data). Telemetry could be set at 1.6 kilobits/sec...25 KB (3,383 words) - 09:07, 22 August 2024
- commercial and amateur radio settings. In two-way radio, narrowband FM (NBFM) is used to conserve bandwidth for land mobile, marine mobile and other radio...31 KB (3,937 words) - 20:27, 7 July 2024
- frequency 2 Shortwave uses a combination of AM, VSB, USB and LSB, with some NBFM and CW/morse code (in the case of time signal stations) as well as numerous...975 bytes (65 words) - 19:35, 5 August 2024
- frequency 2 Shortwave uses a combination of AM, VSB, USB and LSB, with some NBFM and CW/morse code (in the case of time signal stations) as well as numerous...484 bytes (28 words) - 01:03, 2 May 2024
- of Single SideBand (SSB) operation and NarrowBand Frequency Modulation (NBFM) to forward area combat net radio for the first time. Most Clansman radio...22 KB (3,178 words) - 22:14, 13 August 2024
- frequency 2 Shortwave uses a combination of AM, VSB, USB and LSB, with some NBFM and CW/morse code (in the case of time signal stations) as well as numerous...1,020 bytes (79 words) - 09:13, 11 May 2024
- frequency 2 Shortwave uses a combination of AM, VSB, USB and LSB, with some NBFM and CW/morse code (in the case of time signal stations) as well as numerous...766 bytes (49 words) - 13:50, 24 March 2024
- frequency 2 Shortwave uses a combination of AM, VSB, USB and LSB, with some NBFM and CW/morse code (in the case of time signal stations) as well as numerous...789 bytes (53 words) - 15:22, 2 March 2024
- frequency 2 Shortwave uses a combination of AM, VSB, USB and LSB, with some NBFM and CW/morse code (in the case of time signal stations) as well as numerous...994 bytes (59 words) - 00:50, 29 May 2024
- frequency 2 Shortwave uses a combination of AM, VSB, USB and LSB, with some NBFM and CW/morse code (in the case of time signal stations) as well as numerous...1,003 bytes (73 words) - 11:13, 15 May 2024
- frequency 2 Shortwave uses a combination of AM, VSB, USB and LSB, with some NBFM and CW/morse code (in the case of time signal stations) as well as numerous...886 bytes (68 words) - 15:28, 3 May 2024
- frequency 2 Shortwave uses a combination of AM, VSB, USB and LSB, with some NBFM and CW/morse code (in the case of time signal stations) as well as numerous...2 KB (106 words) - 08:38, 8 May 2024
- of Single SideBand (SSB) operation and NarrowBand Frequency Modulation (NBFM) to forward area combat net radio for the first time. Larkspur radio system...17 KB (2,027 words) - 01:58, 1 July 2024
- frequency 2 Shortwave uses a combination of AM, VSB, USB and LSB, with some NBFM and CW/morse code (in the case of time signal stations) as well as numerous...837 bytes (53 words) - 15:08, 3 May 2024
- frequency 2 Shortwave uses a combination of AM, VSB, USB and LSB, with some NBFM and CW/morse code (in the case of time signal stations) as well as numerous...1 KB (75 words) - 06:28, 18 May 2024
- frequency 2 Shortwave uses a combination of AM, VSB, USB and LSB, with some NBFM and CW/morse code (in the case of time signal stations) as well as numerous...1 KB (87 words) - 09:25, 15 May 2024
- frequency 2 Shortwave uses a combination of AM, VSB, USB and LSB, with some NBFM and CW/morse code (in the case of time signal stations) as well as numerous...460 bytes (27 words) - 23:32, 26 June 2023
- . . 1 Editorial . . . . 2 R. & E. Gramophone Pre-Amplifier . . . . 4 N.B.F.M. Adaptor . . . . 9 A Regulated Power Supply (by the Eng. Dept. Aerovox