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Don Smith

Posted 6/7/2006 11:48 (#17759 - in reply to #17754)
Subject: RE: Choke rings

Centre county Pennsylvania, USA

I'm almost certain your numbers for snr VS EZ antenna "tip angle" will not look nealy as good as true choke ring L1 antenna, but it will be interesting to see what numbers you get. Choke ring antennas are used on most DGPS ground reference stations but not many Precision Ag receivers come with choke ring antenna, they are very costy.

Just for comparison, here is link to paper that shows several graphics of snr VS elevation angle for Trimble and Ashtech L1/L2 band choke ring antennas.

www.unavco.org/facility/science_tech/dev_test/power/ashtrimsnr.doc

Edited by Don Smith 6/7/2006 16:44

Like a homesick angel - Ed Boysun : 6/5/2006 09:49
- RE: Like a homesick angel - Jon Hagen : 6/5/2006 21:37
  - RE: Like a homesick angel - Ed Boysun : 6/6/2006 09:30
    - Re: Like a homesick angel - Pat H : 6/7/2006 10:14
      - Re: Like a homesick angel - Ed Boysun : 6/7/2006 10:41
        
        Re: Like a homesick angel - Pat H : 6/9/2006 13:55
- Re: Like a homesick angel - Chad H : 6/5/2006 21:46
  - Re: antenna mount - DaveP : 6/5/2006 22:03
    - Re: antenna mount - DG N. AL : 6/6/2006 08:07
      - Re: antenna mount - Ed Boysun : 6/6/2006 09:22
        
        Re: antenna mount - DG N. AL : 6/6/2006 11:54
        
        Trimble manual - Ed Boysun : 6/6/2006 14:54
        
        RE: Trimble manual - Don Smith : 6/6/2006 17:27
        
        RE: Trimble manual - Ed Boysun : 6/6/2006 23:51
        
        RE: Trimble manual - Don Smith : 6/7/2006 09:03
        
        Choke rings - Ed Boysun : 6/7/2006 10:56
        
        RE: Choke rings - Don Smith : 6/7/2006 11:48
        
        Quick & Dirty Antenna slope tests - Ed Boysun : 6/7/2006 21:38
        
        RE: Quick & Dirty Antenna slope tests - Don Smith : 6/7/2006 23:39
        
        RE: Quick & Dirty Antenna slope tests - Ed Boysun : 6/8/2006 11:08
        
        RE: Quick & Dirty Antenna slope tests - Don Smith : 6/8/2006 12:31
        
        Re: Like a homesick angel - alange : 6/7/2006 16:51
        
        Re: Like a homesick angel - alange : 6/7/2006 16:45
        
        Re: Like a homesick angel - Don Smith : 6/7/2006 17:51
        
        Re: Like a homesick angel - alange : 6/7/2006 18:48
        
        Re: Like a homesick angel - Don Smith : 6/7/2006 20:11
        
        Re: Like a homesick angel - alange : 6/8/2006 12:58
        
        Re: Like a homesick angel - Don Smith : 6/8/2006 13:58
        
        Re: Like a homesick angel - alange : 6/8/2006 15:16
        
        Re: Like a homesick angel - Don Smith : 6/8/2006 15:37
        
        Re: Like a homesick angel - alange : 6/8/2006 16:03
        
        Re: Like a homesick angel - Don Smith : 6/8/2006 16:56
        
        Re: Like a homesick angel - alange : 6/8/2006 19:51
        
        Re: Like a homesick angel - Don Smith : 6/8/2006 20:25
        
        Re: antenna mount - Johannes : 6/6/2006 14:54
      - Are you sure, Don? - Macy : 6/6/2006 21:45
  - Re: Like a homesick angel - Ed Boysun : 6/6/2006 09:42
    - Re: Like a homesick angel - Jon Hagen : 6/6/2006 13:28
    - Re: Like a homesick angel - Chad H : 6/6/2006 13:44
    - Re: Like a homesick angel - hwdcne : 6/6/2006 14:53

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