The usual formula is: minimum total length (in feet) = 1005 / f (in MHz), where f is the lowest intended frequency. Subtract 4% if using …

The Band Plans & information are normally published annually in the February edition of RadCom and additionally reviewed mid-year

2200 meters – 135.7–137.8 kHz – just below the Asian and European longwave broadcast band and far below the commercial AM broadcast band.Very tall …

Amateur Radio Band Plans 10MHz (30m) Max Bandwidth [Hz] UK Usage 10.100-10.140 200 Telegraphy (CW) 10.116kHz – QRP (low power) centre of activity 10.140-10.150 500 All narrow band modes AX25 packet should not be used on the 10MHz band. Unattended Machine Generated Modes (Digimodes) should avoid the use of the 10MHz band. The 10MHz band is allocated to the Amateur …

Since 1925, the International Amateur Radio Union (IARU) has been the watch and spokesman for the world Amateur Radio community. Learn More

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Online displays. Current Edition: January 2018. Please note these band plans are largely based on those agreed at IARU Region 1 general conferences, with some local differences on frequencies above 430MHz.

A band plan refers to a voluntary division of a band to avoid interference between incompatible modes. Resources. Sharing arrangements; Detailed packet frequencies [PDF]; Phone patch, autopatch and HF/VHF/UHF operating guidelines

Wolverhampton Amateur Radio Society winner of the RSGB West Midlands Regional club of the year 2012 and 2013. 2012 was a fantastic year for Wolverhampton ARS, a year of rejuvenation as well as our 90th Birthday.