Eric,

I am using a commercial (450-470 split) antenna at 500 feet and it works
great.  Be sure and tighten all screws, nuts and clamps and seal all
connections before putting it in the air.

Paul

 

-----Original Message-----
From: [email protected]
[mailto:[EMAIL PROTECTED] On Behalf Of kk2ed
Sent: Sunday, April 29, 2007 9:21 PM
To: [email protected]
Subject: [Repeater-Builder] DB420 performance?

Good Evening,

I have a site with a PD455-5 at 400ft that has failed me after 10 years of
service. The reflected power has risen to about 10% of the forward power,
and coverage is drastically reduced. 

Rather than installing another PD455-5 (which will most likely fail in
another 10 years due to the fact that it is top mounted without a support
brace at the top), I was considering a folded dipole array.  
I hear that the DB420 is no longer made for the 440-450 split.  Can I use a
450-470 split antenna at 443MHz without seeing any noticable 
performance degredation?    

Is it worth the extra money switching to the DB420?   

Also, I have considered using a PD-1151.  Has anyone done any real- world
comparison between the 10db PD455 and the 8db PD1151?  


Thanks
Eric
KE2D






 
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