I'm just trying to make sure I understand the theory correctly.
I have some triband VHF/UHF/800MHz antennas, I need to mount on a tower so I plan on using a "mobile to base" conversion kit. The kits i'm mostly looking at are specified for VHF/UHF, which in my mind should be sufficient for 800MHz.
The way I understand it is that the radials should be at least 1/4 of the wavelength of the antenna, so if the antenna is operating in the 800MHz range the radials that are much longer than 1/4 wave of the 800MHz frequency will not be detrimental in any way at that frequency.
Does anyone see any problem with my reasoning?
I just edited my post to provide an example photo/diagram. I'm looking at a system like this, but the anennas I'm using are multiband VHF/UHF/700/800. So my resoning is that the ground plane radials should be sized for the VHF band, and that the extra length for the higher frequencies will not negatively affect the antenna. My understanding is that the radials provide a reflective plane which just must be at least a quarter wave length. I hope this provides some clearification.