The HyTower, in addition to the 77 radials, has a ground system of 6
ground rods, connected by #6 copper cadwelded to the rods, ending at the
lower legs, and tied into the radial plate (home-made.) There is also a
stainless spark gap of my own design.
Dan Hearn wrote:
> I assume that there is a ground rod at the Hytower connected to the end of
> its radial system and its coax shield. If not I would put one in. The
> current induced into the old ground radials by your inv V will pass thru the
> short earth path between the 2 ground rods with a small power loss.
> Preferably you will be able to connect the 2 ground rods together with a
> heavy copper wire.
> 73, Dan, N5AR
>
> -----Original Message-----
> From: Larry DiGioia N8KU [mailto:towertalk@longwire.com]
> Sent: Sunday, December 02, 2007 12:20 PM
> To: Dan Hearn
> Cc: towertalk@contesting.com
> Subject: Re: [TowerTalk] radial connections
>
>
> The inv-L consists of a Budwig connector, attached to a DX-engineering
> radial plate, which is jumpered over to a ground rod. All radials (both
> old and new) are #12 THHN. The old ones on the HyTower are sunk into the
> ground long ago, and the new ones on the inv-L are still on the ground
> for now.
>
> Dan Hearn wrote:
>
>> Larry, what is the shield of your coax connected to? A ground rod at the
>> vertical base?. Are the radials bare or insulated wire? 73, Dan, N5AR
>>
>> -----Original Message-----
>> From: towertalk-bounces@contesting.com
>> [mailto:towertalk-bounces@contesting.com]On Behalf Of Larry DiGioia N8KU
>> Sent: Sunday, December 02, 2007 7:51 AM
>> To: towertalk@contesting.com
>> Subject: [TowerTalk] radial connections
>>
>>
>>
>> I just got done installing a new inv-L for 160, right next to my
>> existing Hy-Tower, which has 77 radials.
>>
>> I managed to get 4 new radials for 160 run before the wx turned bad, and
>> I ran a single connecting wire between the two bases. Eventually, I will
>> end up with two radial systems crossing over/intersecting each other.
>>
>> The antenna works fine, I got a GM last night on the first call with 100W.
>>
>> My question is, for now, if there are lots of radials underneath a
>> vertical, BUT NOT CONNECTED TO IT, do they do anything?
>>
>> --
>> Larry N8KU
>>
>> l o n g w i r e . c o m
>> HF - DX - CW - Digital
>>
>> _______________________________________________
>>
>>
>>
>> _______________________________________________
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>> TowerTalk@contesting.com
>> http://lists.contesting.com/mailman/listinfo/towertalk
>>
>>
>>
>>
>>
>
> --
> Larry N8KU
>
> l o n g w i r e . c o m
> HF - DX - CW - Digital
>
>
>
>
>
--
Larry N8KU
l o n g w i r e . c o m
HF - DX - CW - Digital
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