Re: [IRCA] Electronically steerable receive antenna

["Chris Black" <n1cp@xxxxxxxxxxx>]

It's the same thing as the 4 whips in a square you see mounted on police 
cars for DFing the "tags" or transmitters hidden in the money packs that the 
banks give the robbers.

Chris
----- Original Message ----- 
From: "Russ Edmunds" <wb2bjh@xxxxxxxxx>
To: "Mailing list for the International Radio Club of America" 
<irca@xxxxxxxxxxxxxxxx>
Sent: Monday, November 20, 2006 7:13 AM
Subject: Re: [IRCA] Electronically steerable receive antenna


>
> --- "Patrick Griffith, N0NNK / WPE9HVW" <AM-DXer@xxxxxxxxx> wrote:
>
>> In the December issue of QST magazine I noticed an ad for a company
>> called DX Engineering. They are marketing a compact electronically
>> steerable system of four ground mounted vertical antennas that looks
>> very interesting. It is called the Four-Square Receiving System. They
>> claim performance comparable to a Beverage plus rejection of high
>> angle
>> signals that is superior to EWE, Flag, Pennant, or K9AY arrays. The
>> system is targeted to the ham market. But the ads claim operation
>> from
>> 100 kHz to 30 MHz. They say that it is "like having a rotatable
>> Beverage
>> antenna". It does not require radials or any special ground system.
>> Basic cost is $1,325. Their web site is at www.DXEngineering.com.
>> There
>> is also a user comment page at www.eham.net/reviews/detail/5336.
>>
>
>
> Sounds like a full-scale version of something I recall the FCC using
> for finding pirates - their was four small whips mounted atop a station
> wagon or van.
>
> Wonder how many they'll sell at that price...
>
> Russ Edmunds
> Blue Bell, PA ( 360' ASL )
> [15 mi NNW of Philadelphia]
> 40:08:45N; 75:16:04W, Grid FN20id
> <wb2bjh@xxxxxxxxx>
> FM: Yamaha T-80 & Onkyo T-450RDS w/ APS9B @15'
> AM: Hammarlund HQ-150 & 4' FET air core loop
>
>
>
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