Antron / Solarcon A99 - Grounding query, is it required?

Homebase antenna advice and troubleshooting

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poochlips
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Tue Aug 12, 2014 6:18 pm

Hello, I recently had one of these fitted on the side of the house on a pole. The base of the antenna starts at the roof roof/apex of my house. I understand the A99 is mainly fibreglass, does this need to be grounded? It is currently connected to my Alinco DX-SR9.

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stampman
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Wed Aug 13, 2014 8:07 am

no it does not require a ground plane as it is fully self contained


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poochlips
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Wed Aug 13, 2014 11:22 am

So no requirement for an earth rod down from the bracket/pole into the ground?

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stampman
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Thu Aug 14, 2014 7:43 am

no none at all



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if it anit broke dont fix it

booksbenji
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Wed Apr 08, 2015 8:27 am

i like the sirio tornado27 5/8 wave...but its not dc ground so therefore picks up a bit of static unnecessarily

so i dug out my now 1 year old sirio and made some changes to the feed point

ok so i like dont have a machine shop ..hell a hacksaw and a cordless drill works wonders and a plumbers soldering iron thats older than rifleman223

not going to explain rubbish ...the ones that have a sirio tornado27 will be well aware of the strange setup the coil is

heres some pics of a stock one ripped from the net

http://www.mauldroppers.com/attachment. ... 1427692700




here is what i did ..
moved coil down over the insulator
earthed the bottom end..
cut the feed rod down to make the tap point and added some silver braid
(yeah will get around to putting heat-shrink on that) from so239 to tap point .. one dc ground 5/8 wave gp
the after pics)

http://www.mauldroppers.com/attachment. ... 1427692923


need to go to screw shop for some S/S bolts..on the "to do list"

tunes alot better R=50 X=0 flashing 1 at 27.205) ..before hand it was lucky to dip to 1.3:1 on a good day
noise floor is very low

why sirio did not do this in the first place is just well ....yeah

but i guess all they care about is fiberglass duck low power antennas like rf-drain-disaster and not making a "ok" alloy one better with one small tweak

Stolen from another forum!!!! :shock:

booksbenji
New to the Scene
New to the Scene
Posts: 2
Joined: Wed Apr 08, 2015 8:21 am

Wed Apr 08, 2015 8:27 am

i like the sirio tornado27 5/8 wave...but its not dc ground so therefore picks up a bit of static unnecessarily

so i dug out my now 1 year old sirio and made some changes to the feed point

ok so i like dont have a machine shop ..hell a hacksaw and a cordless drill works wonders and a plumbers soldering iron thats older than rifleman223

not going to explain rubbish ...the ones that have a sirio tornado27 will be well aware of the strange setup the coil is

heres some pics of a stock one ripped from the net

http://www.mauldroppers.com/attachment. ... 1427692700




here is what i did ..
moved coil down over the insulator
earthed the bottom end..
cut the feed rod down to make the tap point and added some silver braid
(yeah will get around to putting heat-shrink on that) from so239 to tap point .. one dc ground 5/8 wave gp
the after pics)

http://www.mauldroppers.com/attachment. ... 1427692923


need to go to screw shop for some S/S bolts..on the "to do list"

tunes alot better R=50 X=0 flashing 1 at 27.205) ..before hand it was lucky to dip to 1.3:1 on a good day
noise floor is very low

why sirio did not do this in the first place is just well ....yeah

but i guess all they care about is fiberglass duck low power antennas like rf-drain-disaster and not making a "ok" alloy one better with one small tweak

Stolen from another forum!!!! :shock:

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