<http://www.andrew.com/products/antennas/bsa/>
Type "420" into the white box above "Submit Query" and hit Enter.
It will take you to the DB-420 page. Select the DB-420B data sheet.
Also grab this -
<http://www.andrew.com/products/antennas/bsa/_instruction/095079-000.pdf>
It's the assembly and mounting instructions. Unfortunately it doesn't give
the element separation measurements...
As a last resort call DB at 214-631-0310 (Texas)
Mike WA6ILQ
At 01:36 PM 9/14/04, you wrote:
Hi, I have a quired a used DB-420B antenna. My plans are to use it for
my 443.65 repeater. After a close inspection I have found that the
previous owner must have tried some "tuning". All of the spacings in the
vertical plane between elements are different dimensions. So, I have a
few questions:
1. Can anyone tell me what the center to center spacing is supposed to be?
2. Would it be of any benefit to change the spacing to reflect the lower
operating frequency?
The antenna has a good SWR at my freq. but I am sure the pattern cannot
be at its best with the varied spacing. Any help appreciated.
Thanks,
Bob
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