RC286
Member
4ft whip? is that a loaded whip similar to a firestik. I am not familiar with Rat Shack antennas from this era. we haven't had em up here in Canada for, er hell maybe a decade or more now.
If so, these antennas need a good ground plane, so make sure your grounding is good.
Mag mounts are hit and miss, most suck for longer distance as they are zero ground plane with heavily loaded drivers. the radiating element on most are less than 3'. The good ones get a "ground plane" by capacitive coupling to the metal chassis of the vehicle. While better that the full LC loaded antennas, they aren't near the same performers as a 5/8 ground plane or a 102" whip with a good ground plane.
If so, these antennas need a good ground plane, so make sure your grounding is good.
Mag mounts are hit and miss, most suck for longer distance as they are zero ground plane with heavily loaded drivers. the radiating element on most are less than 3'. The good ones get a "ground plane" by capacitive coupling to the metal chassis of the vehicle. While better that the full LC loaded antennas, they aren't near the same performers as a 5/8 ground plane or a 102" whip with a good ground plane.