[Hi-zreceivingarraydiscussions] Array (4sq) not working properly

[Tim Duffy K3LR]

Randy - if you measure zero volts from each antenna element to ground (as
you said below) - there is a problem! You should have about 5 volts DC on
each element to ground.

73,
Tim K3LR

-----Original Message-----
From: hi-zreceivingarraydiscussions-bounces at hizantennas.com
[mailto:hi-zreceivingarraydiscussions-bounces at hizantennas.com] On Behalf Of
Randy Lake
Sent: Tuesday, September 18, 2012 7:44 AM
To: Hi-Z Receiving Array Discussions
Subject: Re: [Hi-zreceivingarraydiscussions] Array (4sq) not working
properly

The 40m beam is at 100' about 200'away
The 80m dipole is at 95' about 200' away
The 160m shunt fed tower has not been completed yet.

Thanks. Randy

On Tue, Sep 18, 2012 at 8:41 AM, <f6bki at orange.fr> wrote:

> Hi Randy , is your TX antenna  well detuned ?
> 73
> Jacques F6BKI
>
> -----Message d'origine----- From: Randy Lake
> Sent: Tuesday, September 18, 2012 12:30 PM
> To: Hi-Z Receiving Array Discussions
> Subject: Re: [Hi-**zreceivingarraydiscussions] Array (4sq) not working
> properly
>
>
> Hi Roger. I am using the original preamps. They were tested last year by
> Lee and said to be ok.
> I just went out to measure the V at the antenna term and ground and they
> were all the same. 0volts. The LED's are all on.
>
>
> On Tue, Sep 18, 2012 at 7:51 AM, Roger D Johnson <n1rj at roadrunner.com
> >wrote:
>
>  Hi Randy....
>>
>> The grounds should make very little difference in this array due to the
>> high impedance
>> preamps. What preamps are you using? I would measure the voltage from the
>> preamp
>> antenna terminal to ground. They should all be the same at about 5 volts.
>>
>> 73, Roger
>>
>>
>> On 9/18/2012 6:42 AM, Randy Lake wrote:
>>
>>  Good morning.
>>> I am trying to get an old 4sq setup working finally with not much luck.
I
>>> think it may have something to do with my ground or soil type.I can
>>> barely
>>> get a 2 ft ground rod in without hitting rock.
>>> I just moved the array to a more level area. Slopes maybe 1-2 ft in the
>>> 80ft distance.
>>> I am using 19' elements (old 20m tapered elements). They are mounted to
>>> angle iron driven into the ground with 1 1/4 pvc attached to that then
>>> the
>>> element mounted inside the PVC with the element held about 8in above the
>>> angle iron inside the PVC. The ground rod is next to the angle iron.
>>> The relays in the controller all work correctly.
>>> The LED's are all on at each amp.
>>> The delay lines and element feed lines are all factory cut.
>>> The feed line feeding the array is tested as okay.
>>> I am also using a Hi-Z preamp out at the array and a 75-50 ohm on the
>>> feedline in the shack.
>>>
>>> Issues:
>>> The noise level does not change much at all compared to the TX antenna.
>>> directivity is minimal, barely noticeable.
>>>
>>> I am thinking I may remove the preamp and am considering adding
>>> additional
>>> ground rods or radials at each vertical.
>>>
>>> Any thoughts or comments ?
>>>
>>> Randy N1KWF
>>>
>>>
>>>  --
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>
> --
> Randy Lake N1KWF
> 73 Gunn Rd.
> Keene,NH
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-- 
Randy Lake N1KWF
73 Gunn Rd.
Keene,NH
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