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Old 14-Mar-2020, 10:22 PM   #6
ADTech
Antennas Direct Tech Supp
 
Join Date: Jan 2010
Posts: 2,942
Quote:
Ouch what a huge hit below 530mhz.
As noted by Tim, that was for the old DB4 which was discontinued many years ago.


Get the tech data sheet for the DB4e off the website, print out the horizontal polar pattern, draw a new curve 2-3 dB inside the existing curve (on the "hot" side), then mirror that to the other side. You'll be right in the ballpark as to what would be expected.
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