http://www.transmission1.co.uk/forum/vi ... 34&t=17751
The article with the dimensions etc can be found here
http://personales.ya.com/ea4cax/paginae ... ingles.pdf
Here's the quick one i just knocked up with some stuff out the junk box


I'll report back after i test it.
Does anyone know what the theory behind these antennas is? all i can seem to see is that the radiator is about a full wave - but what about the spacing/length for the reflector? and is there scope to add a director and improve the antenna?