On most of the ones I've seen, the model numbers were the same for both models.
All of the elements can be rotated 90 or so deg if you want, but these are ones 
that came form the factory that way. ?????????
Mike  KB5FLX
  ----- Original Message ----- 
  From: Chuck Kelsey 
  To: Repeater-Builder@yahoogroups.com 
  Sent: Wednesday, December 31, 2008 9:27 PM
  Subject: Re: [Repeater-Builder] Decibel Products Antenna website



  Mike -

  I often wondered the same thing. I can only assume that it created the "best" 
pattern for each model. 

  Chuck
  WB2EDV



    ----- Original Message ----- 
    From: Mike Dietrich 
    To: Repeater-Builder@yahoogroups.com 
    Sent: Wednesday, December 31, 2008 10:16 PM
    Subject: Re: [Repeater-Builder] Decibel Products Antenna website


    While on the subject, a DB queston for y'all.
    I've asked a lot of techs this over the years and have gotten as many 
different answers.
    On a DB 410/420 uhf 16 loop antenna, some were sold with the top 4 sets of 
elements together in a row and the bottom 4 sets were in a row but were 90 deg 
to the top 4.
    On some other antennas they were sold where each set was 90 deg from each 
other, ie: element sets 1,3,5,&7 were pointed together and 2,4,6,&8 were 
pointed together.
    Does anybody know the real resaon?
    Is one way better than the other?
    Do they have different patterns?
    Thanks and HAPPY NEW YEAR to everybody.
    Mike
    ------------------------

   

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