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[TowerTalk] log periodic comparisons

Subject: [TowerTalk] log periodic comparisons
From: michael castellano <>
Date: Sat, 5 Jul 2008 21:06:09 -0700 (PDT)
List-post: <">>

I can't do a comparison, but I can give some insight on my HyGain LP-1007 that 
has been up for about 30 years, on top of a 60ft SSV. In that time, it has 
NEVER failed, broken or wandered outside the original specs when it was 
assembled. Mechanically, it is a brute, (the mast to boom plate weighs in at 95 
lbs). It has survived annual ice storms, 6 hurricanes, three of which were 
considered major. Hurricane Gloria put southern New England off the map for 
three weeks, the LP-1007 never even loosened an element. Once a year I sweep 
the antenna for return loss. And every year it comes back with numbers that 
match the orignal specs. 

On a non-scientific note, I went to Honor Roll #1 (in 10 yrs) with this antenna 
only, usually running around 150 watts. Was I the "first in the pileups"? Well, 
not really, when barefoot, only about 75% of the time. 

The antenna is quite heavy (about 200 lbs)and requires a real rotor to turn and 
HOLD it in place. Obviously, it doesnt TX on 30m, but it DOES hear as well as 
rotatable dipole on this band. I do just that, with a 3/8w elevated vertical 
for TX.

Would I buy another Pre MFJ LP-1007 if available? YES without hesitation.

I hear that the newer "amateurized" LP-1009 is but a cheaper knockoff of the 
'1007'. But I have absolutely no experience with that model to make any 
judgements. Perhaps others have experience with it. It would be interesting to 
see how it works and has held up.

And yes, my LP-1007 sat in a crate at the rear of an un-named embassy in SE 
Asia for 5 years before I grabbed it!

73 !

Mike KM1R


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