Originally Posted by popnokick
What antennas are you comparing to each other, and what are you trying to hear (frequency and how far away from you)? Answering those two questions will help us suggest better antennas.
Thanks for the helpful info you have posted so far. The NOAA idea sounds good for testing.
In answer to your other questions:
My scanner is a BC346XT
The antennae I am testing are:
Radio Shack 20-283 - 7" rubber duck antenna tuned to the 800MHz range
Radio Shack 20-006 - center loaded telescoping scanner/ham antenna (can adjust the height for different frequency ranges - from 25MHz up to 1300MHz
I'm scanning for police and fire traffic in the 150MHz range and the 800MHz range - all analog at this point, but looking to upgrade to a digital scanner soon and will be looking for digital traffic in the 800MHz range.