[TowerTalk] K6STI Receiving loop question

[Pete Smith]

On the other hand, if it is a receiving antenna, do you care?  The 
additional loss in the feedline due to SWR *may* be trivial in this 
application.

73, Pete N4ZR

At 02:51 PM 11/18/2004, Joe - WDØM wrote:

>Hi Dave,
>
>Perhaps the easiest way (if you have an antenna analyzer or access to one) 
>is to check the impedance at the antenna using an antenna analyzer.  That 
>will tell you which way to go in modifying the turns ratio.  I just put a 
>beverage antenna together, and the analyzer was very helpful in assembling 
>the transformer.  I used my Autek analyzer - and it's probably the best 
>investment I've made to be sure every watt I own gets to the antenna and 
>then on to the other guy's radio.  ;-)
>
>73,
>Joe
>WDØM
>
>
>At 11:47 AM 11/18/2004, Dave Quick wrote:
>>I recently put up a K6STI loop for 80m. It's about 8 feet off the ground
>>and built according to the plans in the Sep. 95 issue of QST. It's 21
>>feet on each side and I used 450 ladder (window) line and a 77 mix
>>ferrite bead for the transformer.
>>
>>My problem is that I can't get the SWR below about 3:1 or so. I do get a
>>dip as I adjust the cap, but never below 3:1. I'm guessing that I need
>>to adjust the turns ratio of the transformer, which is 4 turns to 10
>>turns as the QST article specifies, but I'm not sure which way to go
>>with the turns ratio.
>>
>>Does anyone have an advise for me?
>>
>>Thanks.
>>
>>Dave Quick K0EKL
>
>
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>
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