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The 2-meter amateur radio band is a portion of the VHF radio spectrum that comprises frequencies stretching from 144 MHz to 148 MHz [1] in International Telecommunication Union region (ITU) Regions 2 (North and South America plus Hawaii) and 3 (Asia and Oceania) [2] [3] and from 144 MHz to 146 MHz in ITU Region 1 (Europe, Africa, and Russia).
An amateur radio repeater system consisting of a 70 cm repeater and a 2-meter digipeater and iGate. Coaxial cavity RF filter at 2 meter repeater An amateur radio repeater is an electronic device that receives a weak or low-level amateur radio signal and retransmits it at a higher level or higher power, so that the signal can cover longer ...
Shortwave bands are frequency allocations for use within the shortwave radio spectrum (the upper medium frequency [MF] band and all of the high frequency [HF] band). Radio waves in these frequency ranges can be used for very long distance (transcontinental) communication because they can reflect off layers of charged particles in the ionosphere and return to Earth beyond the horizon, a ...
For example: The longest distance reported contact due to tropospheric refraction on 2 metres is 4 754 km (2 954 miles) between Hawaii and a ship south of Mexico. There were reports of the reception of one way signals from Réunion to Western Australia , a distance of more than 6 000 km (4 000 miles).
The radio is designed to transmit on VHF (on the 2 meter band) and scan between 136 and 174 MHz and on UHF (on the 70 centimeter band) and scan between 400 and 520 MHz . (480 MHz and above is not available in the United Kingdom due to Ofcom regulations).
144–148 MHz: Amateur radio 2-meter band; 148–150 MHz: Land mobile, fixed, satellite; 150–156 MHz: "VHF business band", public safety, the unlicensed Multi-Use Radio Service (MURS), and other 2-way land mobile, FM; 156–158 MHz VHF Marine Radio. 156.8 MHz (Channel 16) is the maritime emergency and contact frequency. 159.81-161.565 MHz ...
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Moxon antenna for the 2-meter band. The Moxon antenna or Moxon rectangle is a simple and mechanically rugged two-element parasitic array, single-frequency antenna. [1] It takes its name from the amateur radio operator and antenna handbook author Les Moxon [2] (call sign G6XN). [1]
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