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The G4ILO Wonder Loop edit / delete
He comments that he's only been able to measure the performance on 20m/30m/40m. Having built his design, it does indeed only tune from about 6MHz-18MHz. (The CARC design with a 1m loop and a gamma match is more like 9MHz-30MHz with a 30-275pf capacitor, so this one wins on being able to do 40m but loses 15/12/10.)
to antenna electronics ham loop radio ... on 02 February 2010
WB3GCK Amateur Radio Homepage edit / delete
Has a good page on ATU design.
The neat coax 2m/70cm dualband antenna.
Slightly better description.
Another simple tuned loop, with a transformer to feed it.
DC4FS - Duoband-Monoquad edit / delete
Folding quad antenna. Very cool!
Another builder of the miniwhip.
to antenna electronics ham miniwhip radio ... on 19 January 2010
Amateur Radio Station KR1ST edit / delete
Some nice loop and halo aerial designs.
to antenna electronics ham radio ... on 30 December 2009
LA8AK, Radio Communication Ressource Page edit / delete
An enormous amount of radio-related stuff (with a slight lack of structure, although I'd probably have difficulty classifying a lot of this too!).
to antenna electronics ham history radio retrotech ww2 ... on 18 December 2009
The Repeater Builder's Technical Information Page™ edit / delete
A wide variety of articles and links from the RB group.
to antenna electronics ham radio ... on 16 October 2009
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tasty by Adam Sampson.