[Elecraft] Seperate Receive Antenna

[Mike va3mw]

Jan

What configuration did you use on your lz1aq loop?

Mike va3mw

> On Jan 31, 2015, at 6:02 PM, jim <jbollit at outlook.com> wrote:
> 
> 
> The LZ1AQ amplifier is NOT a differential input amp, rather it is referenced to ground.
> 
> This can have significant issues as it relates to common mode noise.
> 
> As a result of my research, I ended up with a Pixel loop.  The amp has great characteristics, differential input, uses an A.C.  wallwart for low noise, and the install instructions isolate the amp from any ground.  
> 
> The loop interface also has a control line input from your rig, that controls an internal relay, so the amp is protected when you transmit.  The loop was designed by hams.
> 
> The mechanical design of the loop is excellent, using welds at the aluminum joints.
> 
> I have no interest in the Pixel company, just a very satisfied customer.  So satisfied, I bought two of them and phase them with a DX Engineering NCC-1 phaser.
> 
> Jim
> W6AIM
> 
> 
> 
> -----Original Message-----
> From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Wouter Jan Ubbels
> Sent: Saturday, January 31, 2015 12:28 PM
> To: elecraft at mailman.qth.net
> Subject: Re: [Elecraft] Elecraft Digest, Vol 129, Issue 41
> 
> Hi Paul,
> 
> I can recommend LZ1AQ´s active loop antenna.
> See
> 
> http://active-antenna.eu/
> 
> It offers a nice variety of antenna configuration options, and it plays very well here as a separate RX antenna at my urban & noisy QTH. The unit is of high quality, and very well documented.
> I am using it with my KX3 and a homebrew switchbox which uses reed relays for QSK switching, controlled by the KX3 PTT output taken from the ACC2 jack.
> 
> 73,
> 
> Wouter Jan PE4WJ
> 
> 
> 
>> Message: 2
>> Date: Fri, 30 Jan 2015 19:15:32 +0000
>> From: Paul Barlow <paul.barlow at upcmail.ie>
>> To: <elecraft at mailman.qth.net>
>> Subject: [Elecraft] Separate Receiving Antenna
>> Message-ID: <DUB405-EAS19886EB1DCCD9A8D869E61994310 at phx.gbl>
>> Content-Type: text/plain; charset="us-ascii"
>> 
>> Dear Elecrafters,
>> 
>> I have a very small and odd shaped garden in which to play Ham Radio. 
>> I have a K3 (and a K2 and... ), I run QRP CW and I was wondering if 
>> anyone had experience of using active loop antennas as receiving 
>> antennas to lower the noise floor. I was looking at Wellbrook's 
>> Website this afternoon, and I see that their loops get good reviews on 
>> EHam. I was wondering what experience you guys might have with these 
>> and similar antennas.
>> 
>> 73, Paul EI5KI
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