[TowerTalk] help me make a decision

[Carl Smidt]

Go for the SteppIR at 70 feet and it will out do your large tri-bander at
100 feet, no contest.

73,   Carl  VE9OV
----- Original Message -----
From: "k1my" <k1my at msn.com>
To: "Towertalk submital" <towertalk at contesting.com>
Sent: Thursday, February 27, 2003 2:44 PM
Subject: [TowerTalk] help me make a decision


> This antenna will go on a 70 foot tower. It is the prime WARC beam for my
> station and is a backup for my large tribander that is at 100 feet. I do
not
> operate on 6 meters. I have narrowed the choice down to a Tennadyne Log
> Periodic (T10) & the 3 element SteppIR
>
>
>                               T10                              SteppIR
>
> coverage                 13 - 33 mHz               14 - 52 mHz
> boom length             24 ft                           16 ft
> claimed gain             6.1 dBd                      4.9 - 6.3 dBd
> HPBW                     52 degrees                  29 - 34 degrees
> FB ratio                    15 - 25 dB                  15 - 42 dB
> weight                       49 lb                           42 lb
> wind area                  10.1 sq ft                      6 sq ft
> max SWR                 1.7 : 1                         1 : 1
> moving parts?             no                              yes
> electrically reversible?  no                             yes
>
>
> Forget price for the moment.
>
> Both cover the bands that I am interested in.
> Gain appears to be similar - it is a function of boom length - correct?
> HPBW is less on SteppIR but how do they do that with a shorter boom?
> FB is claimed better on SteppIR
> SteppIR's claim to fame is a 1 : 1 SWR at all frequencies. What does a
flat
> SWR at 1 : 1 give me in the real world? More watts transferred to antenna?
> Is this a stronger signal at the DX stations QTH? Or what?
> The SteppIR has moving parts but I have not heard an outcry that they are
> not reliable.
> I am a DXer and sometime contester.
> Which one do I choose?
>
> Thanks in advance ....
>
> 73, Bruce K1MY
>
>
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