AeroElectric-List Digest Archive

Sat 10/05/19


Total Messages Posted: 4



Today's Message Index:
----------------------
 
     1. 03:59 PM - Re: Congratulations (markfw)
     2. 05:53 PM - Dual Band Antenna Question (markfw)
     3. 06:26 PM - Re: Dual Band Antenna Question (user9253)
     4. 08:01 PM - Re: Dual Band Antenna Question (markfw)
 
 
 


Message 1



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    Time: 03:59:26 PM PST US
    Subject: Re: Congratulations
    From: "markfw" <markwheelermd@icloud.com>
          
      
      Bob,
      
      Congratulations! This a totally deserved honor.
      
      I have learned so much from you and others on this list. I feel much more confidant
      starting the wiring of my Cub than I did 2 years ago.
      
      I also know that I can always ask questions in this forum, which is a real anxiety
      reducer.
      
      Mark
      
      
      Read this topic online here:
      
      http://forums.matronics.com/viewtopic.php?p=491633#491633
      
      


    Message 2

    

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    Time: 05:53:40 PM PST US
    Subject: Dual Band Antenna Question
    From: "markfw" <markwheelermd@icloud.com>
          
      
      Can anybody explain to me how a dual band antenna like this one:
      
      https://www.dallasavionics.com/comant/ci105-17l.pdf
      
      actually works?
      
      Does it have multiple antennae inside and use bandpass filters to route signals
      to the correct antenna? 
      
      I am trying to determine if I can share an antenna between my UAT ADS-B unit and
      my Mode S transponder.
      
      Thanks.
      
      Mark
      
      
      Read this topic online here:
      
      http://forums.matronics.com/viewtopic.php?p=491634#491634
      
      


    Message 3

    

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    Time: 06:26:00 PM PST US
    Subject: Re: Dual Band Antenna Question
    From: "user9253" <fransew@gmail.com>
          
      
      I think that it not a dual band antenna.  It is a wide band antenna that operates
      at both 978 and 1090 Mhz.  Those frequencies are close enough together that
      most transponder antennas will work satisfactorily at either frequency.  Someone
      please correct me if wrong.
      
      --------
      Joe Gores
      
      
      Read this topic online here:
      
      http://forums.matronics.com/viewtopic.php?p=491635#491635
      
      


    Message 4

    

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    Time: 08:01:51 PM PST US
    Subject: Re: Dual Band Antenna Question
    From: "markfw" <markwheelermd@icloud.com>
          
      
      Joe,
      
      That certainly is a possibility, but when you look at the web site info, the vendor
      lists this:
      
      Frequencies Covered
      960-1220 MHz
      1030-1020 MHz
      978 MHz
      1090  1 MHz
      
      To me this implies that there might be more going on than just a wideband antenna.
      
      Mark
      
      
      Read this topic online here:
      
      http://forums.matronics.com/viewtopic.php?p=491637#491637
      
      

    

    


    

    

    

    

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