[K3CAL] dual band mobile antenna question

[donleyst at comcast.net]

Brian, 

  

I've used both a FT-8100 and a TM-D700 successfully for cross-band repeat with a Comet dual band antenna.   Both have a single SO-239 antenna connector. 

  

I suspect the two vs one antenna question really comes down to where the antenna(s) are mounted.   With one antenna, you can probably mount it in an optimal location on the vehicle (see March 2012 QST) but finding a spot for two antennas will probably result in a compromised location for both.   

  

So I'd opt for a single dual-band antenna well located on the vehicle. 

  

OBTW... you can purchase an external VHF/UHF diplexer to split the single transciever antenna connector into separate ports for 2M and 440, but that probably makes more sense for a fixed station setup that has separate gain antennas for each band. 

  

Shawn 

N3AE 

----- Original Message -----




From: "KB3WFV" <kb3wfv at yahoo.com> 
To: k3cal at mailman.qth.net 
Sent: Thursday, August 2, 2012 10:05:04 AM 
Subject: [K3CAL] dual band mobile antenna question 


Hello 
I am considering purchasing a new 
dual band 2m/440 mobile radio with crossband repeat 
and I am wondering about the antenna (s). 
  
Which would be better? 
  
A single dual band antenna 
  
or two antennas one 2 meter and one 440  
with a duplexer 
  
Brian 
KB3WFV   
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