Top Qs
Timeline
Chat
Perspective
20-meter band
Amateur radio frequency band From Wikipedia, the free encyclopedia
Remove ads
The 20-meter or 14-MHz amateur radio band is a portion of the shortwave radio spectrum, comprising frequencies stretching from 14.000 MHz to 14.350 MHz.[1] The 20-meter band is widely considered among the best for long-distance communication (DXing), and is one of the most popular—and crowded—during contests.[2] Several factors contribute to this, including the band's large size, the relatively small size of antennas tuned to it (especially as compared to antennas for the 40-meter band or the 80-meter band) and its good potential for daytime DX operation even in unfavorable propagation conditions.[3]

Remove ads
History
![]() | This section needs expansion. You can help by adding to it. (January 2011) |
The Third National Radio Conference was responsible for opening up the 20-meter band to amateur radio operators in the US[4] on October 10, 1924. The band was allocated on a worldwide basis by the International Radiotelegraph Conference[5] in Washington, D.C., on October 4, 1927. Its frequency allocation was then 14–14.4 MHz. The allocation was reduced to 14–14.35 MHz by the International Radio Conference of Atlantic City, New Jersey 1947.[6]
Remove ads
Band plans
Summarize
Perspective
IARU Region 1
Europe, Africa, Middle East and Northern Asia[7]
IARU Region 2
The Americas[7]
IARU Region 3
Asia-Pacific[7]
United States
Effective 12:01 a.m. EST, February 23, 2007
Canada
Canada[8] is part of region 2 and as such is subject to the IARU band plan. Radio Amateurs of Canada offers the bandplan below as a recommendation for use by radio amateurs in that country but it does not have the force of law and should only be considered a suggestion or guideline.
Japan
Changed on September 25, 2023.
Key
= CW only | |
= CW, narrow band digital ( <= 500 Hz ) | |
= CW, narrow band digital ( <= 500 Hz ), wide band digital | |
= CW, RTTY and data (US: < 1 kHz Bandwidth) | |
= Beacons | |
= CW, phone | |
= CW, narrow band digital ( <= 500 Hz ), phone | |
= CW, phone and image |
Remove ads
References
Wikiwand - on
Seamless Wikipedia browsing. On steroids.
Remove ads