Arduino Mega2560 based Antenna Rotator Controller http://100nf.blogspot.co.uk/2016/06/arduino-mega2560-based-antenna-rotator.html
Tunes symmetric/coax/longwire antenna’s between 1.8-50MHz http://www.qsl.net/pa0fbk/Frameset_ham_uk.htm
QRP HF/VHF/UHF mobile antenna from M0ZPK http://www.m0zpk.co.uk/mobilelmatch/
The Wonder Whip? A £10 QRP Portable Multiband Antenna for HF, VHF and UHF A variation on the “Miracle Whip” and “Wander Wand”. http://myweb.tiscali.co.uk/m1ios/html/wonder%20whip.htm
Another good source how to build easy your own loop antenna! http://pa-11019.blogspot.co.uk/
80m Antenna for small gardens Self’s building of a HF2V, vertical antenna for 40 and 80m
Double bazooka…calculations done 🙂 Thank you OH1AYR!