[TenTec] Orion - Proper Grounding

[K Van Horn]

Or perhaps it was the "ICOM 720".

----- Original Message ----- 
From: "K Van Horn" <k7ec at sbcglobal.net>
To: <tentec at contesting.com>
Sent: Thursday, December 23, 2004 10:54 AM
Subject: Re: [TenTec] Orion - Proper Grounding


> Steve,
>
> Isn't this the article I saw on the Yaesu FT-ONE, with the words "FT-ONE" 
> replaced with "ORION"?
>
> Merry Christmas,
>
> Kirby, K7EC
>
> ----- Original Message ----- 
> From: "n4lq" <n4lq at iglou.com>
> To: <tentec at contesting.com>
> Sent: Thursday, December 23, 2004 9:21 AM
> Subject: [TenTec] Orion - Proper Grounding
>
>
>> Your new Orion is a highly sophisticated radio. For proper operation you
>> will need to provide a "DIRECT" RF ground. Heavy braided cable and solid
>> copper bus bars are insufficient.
>>
>> To create a direct ground, one must first prepare the surface. We
>> recommend removing all vegetation around the area for at least 24".
>> Remove the sod and create an indentation in the soil about 2" deep. Fill
>> the indentation with water and let soak overnight. Doing this will make
>> driving the ground rod easier and will help make future weeding easier.
>>
>> Next, we need to prepare the Orion. Remove the plastic feet from the
>> cabinet. Using an electric sander, remove all paint from the bottom of
>> the cabinet. Now place the Orion in the indentation you created.
>>
>> Now we need to install the ground rod. Drilling a pilot hole in the top
>> of the Orion will make installation go easier. The hole should be
>> approximately the same diameter as the ground rod. Insert the ground
>> into the hole and drive it in until the top of the rod is about 2" above
>> the Orion's cabinet top. Affix a suitable ground clamp to the top of the
>> rod. From the clam, run a heavy braid out to each corner of the Orion
>> and weld them to each corner.
>>
>> Finally, connect 120 radial wires to the clamp, making them at least
>> 120ft long. Bury these slightly below the ground surface.
>>
>> You now have provided a suitable RF ground. We recommend using N4PY
>> software to operate the Orion instead of actually touching the knobs.
>> This will provide even better RF isolation.
>>
>> A suitable microphone connector is still in the development stages. Stay
>> tuned for further developments.
>>
>> R.F. Burns
>>
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>>
>
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