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[konrado5]

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Why do the tones all have a lower overall snr, all of a sudden the connection just drops and needs a resync,+ has anyone noticed that 198khz spike keeps dissapearing constantly?

[burakkucat]

+ has anyone noticed that 198khz spike keeps dissapearing constantly?

Yes. This link will explain the current situation. 

[JGO]

 P.S. to Summer increase in line loss.
Some years ago results were published of experiments with boreholes at GPO Leafield. These showed that at 10 m depth the cyclic variation between summer and winter was slight ( > 1 degree from memory) and out of phase with the surface temperature. Day and night variation ? long gone.
Which is why our ancestors, who weren't stupid, dug cellars to preserve food ! 
A pity BT ducts are not that deep   

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In the winter it seemed odd as one day/night the attenuation dropped by 4.0db confirmed by other routers, must be another underlying fault as the speed changed very slightly.

[Ezzer]

P.S. to Summer increase in line loss.
Some years ago results were published of experiments with boreholes at GPO Leafield. These showed that at 10 m depth the cyclic variation between summer and winter was slight ( > 1 degree from memory) and out of phase with the surface temperature. Day and night variation ? long gone.
Which is why our ancestors, who weren't stupid, dug cellars to preserve food ! 
A pity BT ducts are not that deep   

Heating and cooling by geo thermal means is becoming more popular. By typicaly 3 trenches dug of about 4-6 ft depth x 20 ft long an burying a pipe full of a similar mix to car antifreeze for an average home. You can use far less energy to heat & cool the home. Geo thermal dosnt need to be the extent of hot volcanic fed steam as one would normaly think.

When opening an underground box the temperature was always so consistant. Never came across ice in a box on opening no matter the weather.

But the temperatue of routers I've always found to be a big factor in perfomance, they do not like heat. many times I found just ventelating the router adiquately would suddenly provide an improvement. 

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The inside of the house is at times colder than outside . The router never gets hot as is well ventilated!