bill4long
Member
Comet GP 1, 3 and up. Self tuning. No need to adjust SWR.
Some of us old timers prefer Diamond (slightly better hardware), X-50, X-300, X-510, but the Comets aren't bad.
Comet GP 1, 3 and up. Self tuning. No need to adjust SWR.
How does the antenna tune itself?
How does the antenna tune itself?
Can you elaborate more on the X700 like how much better it is over a GP-9? There is a clone of the X700 out that is about $225 shipped, its only available at the moment with the japanese amateur tuning of 145 and 430MHz but will soon be available centered on the US FM part of the bands. I will probably get one to try out.
When you see vertical antennas with high gain like 13dB and look at its radiation pattern, it will loose half the signal if it tilts 5 degree. A 24ft antenna will bend in the slightest wind. It is probably wise to use some nylon rope to guy that antenna 2/3 up.
/Ubbe
I have a X510 parallell to a mast pole and used a plastic tube, the ones used for installation of electrical mains wiring in houses, and put a bicycle tube thru it and around the X510 half way up and back in the tube and then tighten around the mast pole and secured that end of the tube with hose clamps. You don't want any metal near an antenna.it will be parallel to the tower but 10ft out from it and the radiation pattern should be ok.
I have a X510 parallell to a mast pole and used a plastic tube, the ones used for installation of electrical mains wiring in houses, and put a bicycle tube thru it and around the X510 half way up and back in the tube and then tighten around the mast pole and secured that end of the tube with hose clamps. You don't want any metal near an antenna.
The antenna use soft plastics that bends easily but its wind resistance are small so it only needs a very simple support to stay upright when the wind blows.
/Ubbe