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An auxiliary station, most often used for repeater control or link purposes or to remotely control another station, is limited in the United States to operation on frequencies above 144.5 MHz [16] excluding 144.0–144.5 MHz, 145.8–146.0 MHz, 219–220 MHz, 222.00–222.15 MHz, 431–433 MHz, and 435–438 MHz.
Repeaters are found mainly in the VHF 6-meter (50–54 MHz), 2-meter (144–148 MHz), 1.25-meter band (1 1 ⁄ 4 meters) (220–225 MHz) and the UHF 70 centimeter (420–450 MHz) bands, but can be used on almost any frequency pair above 28 MHz. In some areas, 33 centimeters (902–928 MHz) and 23 centimeters (1.24–1.3 GHz) are also used for ...
144–146 MHz ITU Region 1 1.25 metres 219–220 MHz Fixed digital message forwarding systems 222–225 MHz: US & Canada UHF; 70 centimetres: 420–450 MHz 430–440 MHz in ITU Region 1 33 centimetres: 902–928 MHz: in ITU Region 2 23 centimetres: 1 240–1 300 MHz 1 240–1 325 MHz: in UK 13 centimetres: 2 300–2 310 MHz
Precision offset is the same as frequency offset, except that in this case, ... The standard visual carrier frequency is 203.25 MHz The line frequency is 15 625 Hz.
For example, in US two-way radio, 30–50 MHz is one band and 150–174 MHz is another. A repeater with an input of 33.980 MHz and an output of 46.140 MHz is a same band repeater. In same band repeaters, a central design problem is keeping the repeater's own transmitter from interfering with the receiver.
The (American version) radio's main receiver covers 30 kHz through 60 MHz, 142 MHz through 152 MHz, and 420 through 450 MHz (plus 1240 through 1300 MHz with the "X" model). The sub-receiver tunes between 118 and 174 MHz, and from 220 to 512 MHz (VFO ranges).
Full privileges on 220 MHz and higher, no privileges below 220 MHz. 5 wpm code tests and the same written test as Conditional and General. General was the renamed Class B. 5-year license, full privileges except no phone privileges on the bands between 2.5 and 25 MHz (temporary restriction - see below). 13 wpm code and the same written test as ...
467.5500 MHz – US GMRS Repeater Ch 15/23 Input; 467.5625 MHz – US FRS Channel 8; 467.5750 MHz – US GMRS Repeater Ch 16/24 Input; 467.5875 MHz – US FRS Channel 9; 467.6000 MHz – US GMRS Repeater Ch 17/25 Input; 467.6125 MHz – US FRS Channel 10; 467.6250 MHz – US GMRS Repeater Ch 18/26 Input; 467.6375 MHz – US FRS Channel 11; 467. ...
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