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Re: [TowerTalk] K9AY Loop

Subject: Re: [TowerTalk] K9AY Loop
From: Joe Szeliga <>
Date: Wed, 20 Dec 2006 21:33:19 +0100
List-post: <>
the price for the set like on this photo (with cover of course)
is ...ask me via private mail... USD plus shipping about 20 - 30 USD to 
USA but I'm not sure yet (I will ask at Post Office for exact price and 
let You know )

best regards

Joe Szeliga SP9P

Bob Maser napisał(a):
> Of course the $64 question is:  How much is the 4 Square K9AY?  I wonder 
> how much better is it than a full size 4 square.
> Bob  W6TR
> ----- Original Message ----- From: "Joe Szeliga" <>
> To: "Jay Terleski" <>
> Cc: <>; "Gary" <>
> Sent: Tuesday, December 19, 2006 5:48 AM
> Subject: Re: [TowerTalk] K9AY Loop
>> Dear Gents,
>> K9AY is great antenna. But big improvement in reception
>> is obtainable to form it to 4 square.
>> 20 set's was build and 13 are in use with big success
>> (7 sets are sill available on my stock.)
>> K9AY & 4SQUARE ...??? Yes !
>> The magic boxes including Phasing Networks and Switching Directions of 4
>> Square K9AY Array don't make magic its work perfectly,
>> remotely controlled from shack via feed line
>> details here:
>> Jay was nice to see you in Friedrichshaffen
>> cu soon in USA.
>> I'm happy that all with the Hamation bandpass filter unit
>> has his happy finale.
>> best regards
>> Vy 73's
>> Joe Wojciech Szeliga, SP9P
>>> Gents,
>>> The K9AY new loop is still Gary's great antenna design.
>>> It does require a ground but not 1/4 WL radials only some that are say
>>> 16 feet long if you need them at all with the required ground rod.
>>> In the latest incarnation of the K9AY loop that were doing not only do
>>> we have a ground rod provision but include a nice milled radial ring
>>> under the fiberlass poles in the mast kit to allow radials to be easily
>>> attached to beef up the ground if needed, like coral reefs, rocky soils,
>>> top of your garage roof, etc.
>>> It will perform as the spec. says, and it will allow DXpeditions and
>>> postage stamp backyards to play with the big boys with beverages if
>>> installed right.
>>> The loop is a great antenna idea and is like a short two element
>>> veritical with 25-30+ db of F/B.  So the noise is reduced and you can 
>>> hear.
>>> It needs to be set up with consideration to the TX antenna like any RX
>>> array.  Furthar away is better.  But it still works and doesn't cost an
>>> arm and a leg!
>>> Next step is to take this very directive element (array) and make it
>>> into a larger directive array.  Which should open some eyes since were
>>> starting with a directional antenna and not a whip. Gary has agreed to
>>> help with this design.  It doesn't suffer from being an open FET voltage
>>> sampler antenna, it is already a terminated matched device so it matches
>>> to your feedline without problems and doesn't need special inductors/
>>> swamping resistors inside.  Another advantage to those of you who know
>>> about preamps and band pass pre-filters.
>>> It also is not an open FET or transistor input, it has the properly
>>> matched band pass filter ahead of the gain stage, so IMD is very small.
>>> We test it for this.
>>> Don't believe the negativity of Gary's design that you read on TTalk.
>>> Please.  This is a well designed arrray, Gary knows his stuff.  Many DX
>>> peditions have used it to hear your signals.
>>> And I have compared it to my 6 direction 600 ft beverage arrays.  It's
>>> almost as good.  Just like any antenna, if it is poorly erected it will
>>> perform poorly.
>>> Merry Christmas to all.
>>> Jay, WX0B
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