I'm sure it depends on whether you have a cutter
rigged boat with a staysail and yankee vs a 150% overlap genoa
. Also the layout of the mast
, stays, etc. The fact that any one boat does not have the issue doesn't mean its not there for a lot of people.
On my last boat I had a Kato guard around the radome and needed it. On this boat I have the radar
on the mast
, but it doesn't really need the guard as the sail (a 130% genoa
in a cutter
rig) doesn't bother it.
Its just another variable. I do agree with the comment about the pole mount being easier to maintain and (probably) easier to put a gimbal mount on. Many Swan and ocean racers do it this way, and I assume they are OK with any perceived loss of horizon.
S/V Black Diamond