DO NOT HIT A POWER POLE WITH A SLEDGE HAMMER!!!!
There could be lose hardware which can fall on you! Potentally a very
dangerous action.
Suggest you go to the RFI reflector and get assistance from the experts.
73 and be safe
Bruce, WA3AFS
On 12 Dec 2006 at 17:51, Trent and Lorraine wrote:
> The QRN can be easily traced with a portable HF receiver and you can test
> wooden power poles with a sledgehammer to see if it stops _ well it worked
> for me one contest weekend 20 years ago :-)
>
>
> Trent Sampson
> [PO Box 1647 Toowoomba Qld 4350] VK4TI
>
>
> -----Original Message-----
> From: towertalk-bounces@contesting.com
> [mailto:towertalk-bounces@contesting.com] On Behalf Of Kelly Johnson
> Sent: Tuesday, 12 December 2006 6:30 AM
> To: towertalk@contesting.com
> Subject: [TowerTalk] QRN during the rain
>
> I live near overhead HV powerlines as well as overhead MV powerlines.
> The nearest ones are the MV powerlines which terminate at the corner of my
> lot about 70 or 80 feet from my tower. I get very strong noise levels,
> especially on 80 and 40 meters whenever it rains. The noise levels go back
> to normal awhile (a few hours) after the rains stop.
> It sometimes affects higher frequency bands too, but is most noticeable on
> 80 and 40. My noise levels are usually reasonable low on 40 (like S1 or
> less in a 500Hz bandwidth), but seem quite high (S7 or S8 on average) on 80
> meters. My noise levels are usually reaonsably low on the higher bands as
> well. The HV lines seem surprisingly quiet. The noise seems to come from
> the MV lines. What causes this?
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