[TowerTalk] 160/80M receive antenna

ersmar@comcast.net ersmar at comcast.net
Mon Sep 26 00:07:16 EDT 2005


Richard:

     I agree with those who have already recommended a set of EWE RX-only antennas.  I had a set in my back yard before I constructed the tower and they worked unbelievably well.  I was able to hear stations on the EWEs that on the inverted L (my TX antenna at the time) were in the noise.  

     You might / probably will need a pre-amp of some kind in the line.  I have an ARL 1.8-20 (?) model that can provide selectable (via fixed resistors) gain up to 20 dB.  I had mine set to 12 dB or so of gain.  My pre-amp was in the shack but you could also feed it via the coax out at the antenna itself.  Let me know if you need a schematic or a description.

    BTW - I took down the EWEs when I put up the tower (I lost a number of interesting skyhooks cuz of that tower!)  I'm now looking at a set of K9AY loops hung off a tree in the side yard.  Stay tuned.

73 de
Gene Smar  AD3F



> Hi,
> 
> I've been working on a 160M shunt-fed tower.  Coming along nicely so
> far.  Hope to be tuning this week.
> 
>  
> 
> Now, what to do for 160/80M receive antenna?  I have about 1 acre of
> ground with tower about 75% towards west of property and 25% towards
> north.
> 
> I do not have the luxury or large real estate to put out beverages etc.
> I've gotten some suggestions for things I might look into but I am
> interested in any suggestions anyone in this group has that I might
> consider or look into.
> 
>  
> 
> Here is my layout:
> 
> Property dimensions about 120' (north-south) by 280' (east to west)
> 
> I have a single 72 foot tower with 20' mast (70' from west edge and 30'
> from north edge of property)
> 
> I have a row of tall trees only along the west side of property (50-70'
> cottonwoods). No other tall trees.
> 
> Chainlink fence running on west end of my and adjacent property
> extending about 1000+ feet north to south
> 
> My home is about 24 feet above grade on the west end of home and 75 feet
> from tower.
> 
>  
> 
> Any/all suggestions greatly appreciated.
> 
> Thanks,
> 
> Richard - KJ7CU
> 
> _______________________________________________
> 
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather 
> Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions 
> and ask for Sherman, W2FLA.
> 
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