 2 El. Yagi for 24MHz, with linear charge by IK4DCS
This English web page is still under construction.
The drawing (in Italian) is already available.
http://digilander.libero.it/ik4dcs/yagi24eng.html
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 24 / 28MHz mobile mini whip by JA1HWO
This "Mini Mobile Antenna" was also started from 144,430MHz, 50MHz and advanced this time. It is gradually improving while gaining know-how.
http://mk1502.web.fc2.com/ahf1/248ishp.htm
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 3 + 3 El. Yagi for 12/17 Mt by IK4DCS
This English web page is still under construction.
The measures and drawing are already available.
http://digilander.libero.it/ik4dcs/yagieng.html
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 Build a 12/17 Meter Trap Dipole by AD5X
Why a 12/17 meter rotatable dipole? Well, many folks have verticals for the lower bands, and multi-band dipoles or beams for 20-, 15-, and 10 meters. But often you don’t have an antenna for the 17- and 12-meter bands.
http://www.ad5x.com/images/Articles/Trap%20Dipole%201217RevA.pdf
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 Rotary Dipole for 12/17 Mt by IK4DCS
After all the experiments on the WARC bands self-made antennas I had just to try with a coax-cable-trapped rotating dipole.
http://digilander.libero.it/ik4dcs/dip1217_eng.htm
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 Use a 28MHz antenna at 24.9MHz by JA1HWO
The quarter wavelength of the 12m band is 3m, so if you use a 10m band antenna, just add 0.5m (3-2.5). Even if the antenna is already shortened and the length is not 2.5m, the idea is the same.
http://mk1502.web.fc2.com/ahf1/24_pa.htm
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