Where can one find info on the K9AY loop? Sounds intersting. What are the
dimensions?
Thanks in advance.
Tony Kazmakites wrote:
> Hi Stew.
> Here is what I did. I have 3 ewes that are 15' high X 38' long. I feed each
> end with a box at each end that houses a relay, terminating resistor and a
> 9:1 transformer. I feed 12v through the coax. I use a Top 10 remote coax
> switch. This switch modifies real easy to feed 12v to the active port. This
> gives me 6 directions.
> I put up a K9AY loop a few months ago and pointed towards Europe. I used a
> 390 ohm resistor. I compared it to my NE ewe. On 160 it is slightly better.
> On 80m it was about the same. I changed the resistor on the K9AY loop to 590
> ohms. It now favored 80m over the ewe. I found the K9AY loop to be sensitive
> to the terminating resistor to either 80 or 160m. This suggest a relay box
> to switch in resistors to find out if there is that much difference. I now
> have the K9AY loop pointed west.
> I just put up another K9AY loop. Both loops are in line, point west, and are
> 100' apart. I use a 2:1 transformer for feeding them. The coax going to the
> back loop is 35' longer. Too soon to say if it's better. Not sure if I
> should do something different for phasing them. Any input on this would be
> appreciated.
> The one thing that surprised me is how directional the ewes are. Sometimes
> it doesn't matter which direction I use. But most of the time I am glad I
> have 6 directions. I am still not hearing near as well as the folks with the
> long beverages, but the ewes beat out my 300' (max I can fit) beverages all
> the time. One of these days I will hear the KH2 on 160.
>
> Overall I found the K9AY loop to be quieter than the ewe.
>
> One other note. I had a reference ewe to Europe that I used to compare what
> I did with the 3 other ewes. I installed an insulated wire on the ground
> tying together the ground and feed point ground rods. This sure improved the
> front to side. So all 3 ewes now have the wire installed.
>
> -----Original Message-----
> From: owner-towertalk@contesting.com [mailto:owner-towertalk@contesting.com]
> On Behalf Of GALE STEWARD
> Sent: Thursday, January 28, 1999 12:53 PM
> To: towertalk reflector
> Subject: [TowerTalk] EWE vs K9AY LOOP
>
> HI All,
>
> Was wondering if anyone has done an "A/B" comparsion of a EWE with a
> K9AY Loop at their QTH (same basic ground conditions, etc.) I have a
> reversable EWE at present which is pretty good at times. Wonder if I
> should install another EWE to pick up the other two directions or go
> with a K9AY style. I'm starting to plan my spring/summer antenna
> projects so any info is certainly appreciated!
>
> 73, Stew K3ND
>
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