Total posts : 45366
I recommend Keith Hamilton’s suggestion. Right now, you have an extremely short vertical antenna that is 30 feet above its ground plane (the ground itself). That’s almost like a point-source radiator in free space, with probably something closer to a spherical radiation pattern. You need to move the “ground plane” closer to the antenna, so you do an “artificial” plane of radials. Given the choice of more and shorter or fewer and longer, I pick the former, although it won’t hurt to make them as long as practical.