On 30 Sep 2003 09:11:02 -0700, (Brian) wrote:


Danny, can you give us a match/swr for each band? The antenna is
supposed to not need matching.

Brian

Brain,

According to the manual the antenna uses a 50 to 800 Ohm broadband
matching transformer at the feed point. Assuming then that the
antenna's feed point should be near the 800-Ohm figure I ran a sweep
for 3.5, 7, 10.1, 14.2 and 28.5 MHz referencing a 800-Ohm impedance to
calculate the SWR. I got the following results:

3.5 1.40:1
7.0 1.88:1
10.1 1.92:1
14.2 1.96:1
21.2 2.37:1
28.5 2.41:1

Those figures appear to be in close agreement with the manufacture's
claim.

That said I feel that worrying about the SWR's effects on antenna
operation is somewhat like worrying how well a car will run based on
the amount of air pressure in the tires.

73
Danny, K6MHE