[TowerTalk] LP v SteppIR

F.R. Ashley gdadx2 at clearwire.net
Fri Jan 22 05:42:38 PST 2010


Doug & others,

I am going to put up a new antenna this spring, and my choices came down to 
either a LP, such as the T-10, or a 3-element SteppIR.
I decided on the T-10 for several reasons.   The main reason being I don't 
desire moving parts, little wires and motors at 75 feet.  We get plenty of 
lightning during the summer here so it would only be a matter of time before 
something happened.  Weather is the main reason I ruled out a quad also, too 
much freezing rain during the winter.
 Secondly, the SteppIR is too expensive;  I could stack 2 T-8's for about 
the same price.   Additionally, my operating style is one of jumping from 
band to band, and I don't want to have to tune my antenna every time I 
change bands, even if it takes a short amount of time.  I think that would 
get old rather quickly.
Like transceivers, all antennas have pros and cons, what works for me might 
not work for you.  I just want an antenna I can put up and pretty much 
forget about.

73 Buddy WB4M

--- Original Message ----- 
From: "Doug Turnbull" <turnbull at net1.ie>
To: "'Tower and HF antenna construction topics.'" <towertalk at contesting.com>
Sent: Friday, January 22, 2010 4:39 AM
Subject: [TowerTalk] LP v SteppIR


> Gentlemen,
>     I wonder what the attraction of the LP is when one can use a SteppIR.
> Am I wrong to believe that the Fwd gain and FB are better for a Yagi of 
> the
> same number of elements tuned to the frequency of interest than an LP? 
> Is
> it not the case that LP antennas have a lot of metal and hence wind 
> loading
> for what they achieve?   Wind loading is as important to me as gain and
> directivity.   It is a big balancing act.   Granted the SteppIR has a good
> bit of electronics but in my experience they seem to be reliable. 
> Perhaps
> the SteppIR is more expensive for the same performance but Aluminum is
> pretty dear.
>
>     I am not trying to start a 'barney' but these are just my thoughts and
> it may be that some one can correct me.   I believe that SteppIR has 
> changed
> the entire technology and past equations.
>
>                   73 Doug EI2CN
>
> -----Original Message-----
> From: towertalk-bounces at contesting.com
> [mailto:towertalk-bounces at contesting.com] On Behalf Of brahmangou at aol.com
> Sent: 22 January 2010 02:24
> To: towertalk at contesting.com
> Subject: Re: [TowerTalk] Single Tower, All Band Solution ?
>
> You need to take a look at the Tennadyne T-8 log periodic. I have 8 towers
> and have run most every antenna design at one time or another and it is 
> one
> of  my favorites. 5 bands, cw to ssb (try that with a trapped antenna),
> instant band  switching, no matching network, light and really low cost.
> 73,
> AB5GU
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