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Call Sign : 26-CT-3682 Posts : 16 Times Thanked : 0 Join date : 2020-06-23 QTH or Location : Buntingford Hertfordshire. Equipment Used : crt ss 7900.baofeng uv9, leixen 898s, sirio 827,antron99, dual band beam . Age : 65
Subject: antron99/solarcon Thu Jun 25, 2020 7:06 am
just put a antron 99 /solarcon up, but i have s5 of noise (static) would earthing the poles its mounted on help?
73s rich j
Alan - Mirror Man Major contributor
Call Sign : 108CT233 Posts : 201 Times Thanked : 14 Join date : 2019-12-01 QTH or Location : Central Scotland Equipment Used : CRT SS9900 Beofeng UV5R Yaesu FTDX1200 CRT Micron CRT FP00 Sattelite 2000 antenna ZS6BKW X30 co-linear
Subject: Re: antron99/solarcon Thu Jun 25, 2020 8:23 am
I think many of us have been shocked by the level of noise coming in, it was above S9 for me making all but the strongest of signals completely unreadable and the radio almost unusable.
I set up a 12v battery as my power supply and turned everything off in my home turning one appliance/electrical device on at a time to see what was causing it and once identified I put ferrite chokes on the power cords of the offending items, a coax choke or ugly balun in my antenna feedline and earthed the equipment.
It would seem modern living is getting its revenge on radio users and instead of us causing the interference it seems the other way around, I have noticed LED lights and wifi extenders were particularly bad in my case.
After making these modifications around the shack I have the background noise level down t a very acceptable S3 on FM and S1 or lower on USB allowing me to use a pre-amp to drag in those distant signals.
My antenna is on extension poles that go to the ground at the moment so I haven't tried earthing the antenna so I would be interested to hear how you got on.
73's
Alan
Alan Pilot Major contributor
Call Sign : 163-CT-220... Posts : 2637 Times Thanked : 70 Join date : 2019-11-19 QTH or Location : Anglesey North Wales Equipment Used : Yaesu FT-991A,,Yaesu FTDX-10,,Icom ic-7610,,Anytone AT-D878UV PLUS",,LINCOLN II+. Age : 16
Subject: Re: antron99/solarcon Thu Jun 25, 2020 8:50 am
It's a sign of the times. All the electrical kit we all have running especially chargers and the likes. You could try an earth but not sure if it will help but if it does let us know.
rich j New Member
Call Sign : 26-CT-3682 Posts : 16 Times Thanked : 0 Join date : 2020-06-23 QTH or Location : Buntingford Hertfordshire. Equipment Used : crt ss 7900.baofeng uv9, leixen 898s, sirio 827,antron99, dual band beam . Age : 65
Subject: Re: antron99/solarcon Thu Jun 25, 2020 1:10 pm
just earthed the mounting pole, using a jump lead cable from the pole to a copper pipe in the ground, noise dropped from s5 to a s2
glenn dog and Alan - Mirror Man like this post
stephen Gunrunner Major contributor
Call Sign : 26CT526/MR021/M6XXX. Posts : 277 Times Thanked : 11 Join date : 2019-06-27 QTH or Location : wooler north northumberland or some were near it Equipment Used : mobile 4000hp base A99 radio base magnum257hp mobile magnum 257 standed power Age : 67
Subject: Re: antron99/solarcon Thu Jun 25, 2020 1:13 pm
I have the same antenna and the noise level is not bad not as low as the silver rod but any thing below two is ok with that, I turn rf gain down on local contacts but sig is still very good, mind we live in a very low noise area I like the antenna had 3 A99s and I used a silver rod, but here the wind just wrecks them and been disabled the price is allot of money and I can not go up ladders and was helped to put it up and very happy to
Last edited by stephen Gunrunner on Fri Jun 26, 2020 8:55 am; edited 1 time in total
glenn dog, Alan - Mirror Man and rich j like this post
Mitch Senior contributor
Call Sign : M1TCH Posts : 104 Times Thanked : 12 Join date : 2020-01-02 QTH or Location : Wigston, Leicestershire. Equipment Used : Yaesu FT-857D, Diamond V2000, Major 3000, President Jackson Mk1 Export, Lafayette AFS-1005, K40 mic, KL203, B550P and Sirio GPE 27 ⅝λ.
Subject: Re: antron99/solarcon Thu Jun 25, 2020 8:46 pm
Earthing the pole might help but by far the best improvement is to mount it away from the house, I did mine and noise went from s9+ to zero, when mounted on the garage 20 foot away.
glenn dog, Alan - Mirror Man and rich j like this post
Northern Crusader Major contributor
Call Sign : M0GVZ / 26CT1760 Posts : 536 Times Thanked : 35 Join date : 2019-11-13 QTH or Location : IO94SA Equipment Used : Icom 7300, TS480, President McKinley, Albrecht AE6110, CRT Mike Age : 54
Subject: Re: antron99/solarcon Sat Jun 27, 2020 2:26 pm
Also need a RF ground. Get the A99 ground plane kit and stick a RF choke in at the antenna end of the coax.
Yesterday at 10:01 pm by teapot
Subject: antron99/solarcon 
