[ALUG] Connection loss in Storms

[Simon Jude]

Nick Daniels wrote:
> On Thursday 14 June 2007 23:45, Wayne Stallwood wrote:
>   
>> On Thu, 2007-06-14 at 19:14 +0100, Nick Daniels wrote:
>>     
>>> Hi
>>> 	I keep loosing my broadband connection during
>>> thunderstorms, I am sure this never happened in the
>>> previous years. I usually loose it about an hour before
>>> the storm appears here, and then for the duration of the
>>> storm.
>>>       
>> I think a lot of it is dependant on what portion of your lines are on
>> overhead cables, as naturally these are more susceptible to induced
>> voltage spikes from nearby strikes and/or seem to be more prone to
>> connection problems at the termination points.
>>
>> It could also be Exchange based though, I have heard rumours before that
>> some smaller exchanges don't have "all" the equipment on redundant
>> supplies..perhaps in your case this includes the DSLAM :-)
>>
>>     
> Hi Wayne
> 	I think nearly all three miles to exchange is overhead based.
> I have noticed I am cut off before the storm if the storm comes from the 
> direction of the exchange.
> 	I also, as a radio ham, am often cut off if I transmit on the 3.5MHz
> to 3.8MHz band, apparently this is not uncommon.
> 	I was reading in the RSGB publication last night that "some high
> power operators are destroying the ADSL cards in the exchange"
> when tranmitting on this band.
> (High power = 400w max.)
> 	I do have two 40 foot ham radio masts in the garden but these are 
> fitted with static discharge.
>
> 	Kind Regards - Nick Daniels
>
>   
It is interesting you should mention that as I completely knock out my 
broadband when I transmit on 3.5-3.8 MHz too and the other night I 
managed to lock up my Netgear router too when running 50w of CW. 




Simon
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