I use to have a 40M 2 elements vertical phased array antenna with a 1/4 waves spacing between the two monopoles.
Now, i'd lile to test the same antenna but with less space between the two verticals, i'm going to choose a 1/8 waves spaced vertical array, according to the ON4UN low band DXing and the ARRL antenna book, this option would give a better gain but smallest bandwith. The front to back ration should be better too.
I read that the phasing line must be 135° length but don't know how long must be the two feedlines in this case ?
If someone has already tested that kind of antenna ( the 1/8 wave spaced one ) i'll be very glad to know how this antenna work and how long must be the two feedlines.
Sorry for my english ....