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The 15-meter band (also called the 21-MHz band or 15 meters) is an amateur radio frequency band spanning the shortwave spectrum from 21 to 21.45 MHz. The band is suitable for amateur long-distance communications, and such use is permitted in nearly all countries.
Amateur radio operators take part in portable operations using radio equipment when traveling. "Portable" equipment indicates a configuration that allows for relatively rapid collection, transportation, and deployment of amateur radio gear. A portable station can be anything from a small QRP (Low Power) radio and antenna, to a large transceiver.
World Radio Laboratories, WRL, was a major supplier of amateur radio equipment from the 1950s to the 1970s. WRL was located in Council Bluffs, Iowa , USA, and run by Leo Meyerson, amateur callsign W0GFQ, and his family.
With fewer than 100 stores, far fewer than the aggressively expanding Radio Shack's thousands of local outlets, Lafayette Radio remained more of a dedicated enthusiasts' store than a mass marketer. The company was also hurt by the advent of electronics retailers relying on aggressive marketing techniques and competitive pricing in the late 1970s.
Repeater frequency sets are known as "repeater pairs", and in the ham radio community most follow ad hoc standards for the difference between the two frequencies, commonly called the offset. In the USA two-meter band, the standard offset is 600 kHz (0.6 MHz), but sometimes unusual offsets, referred to as oddball splits, are used. The actual ...
ARRL – American Radio Relay league. DX News Ham Radio; World Radio Map; The DXZone.com A web site dedicated to the DXing; DX Forum Discussion of long-range radio reception, equipment; DXing.Today Archived 2018-01-06 at the Wayback Machine Free weekly DX News bulletin by VK2DX; Charlie Tango DX Group UK CTDX is the largest DXing group in the UK