I currently have two of these:
806-960, 10dBi, Terrawave Yagi Base Antenna
from Scanner Master. They are pretty directional, which makes them good for fighting simulcast distortion, if that is what is causing your signals to cut in and out.
806-960, 10dBi, Terrawave Yagi Base Antenna
from Scanner Master. They are pretty directional, which makes them good for fighting simulcast distortion, if that is what is causing your signals to cut in and out.