Hi Jón,

I would suggest that you move the channels around at the input to the Amp/Filter 
board. If the loss of signal moves to another channel you know that the problem is 
with the wiring or the sensor.

Regards,
Larry Cochrane
Redwood City, PSN



Jón Frímann wrote:
> Hi all
> 
> I am having issues with a channel on the Hekla sensor. For some unkown
> reason the north-south channel always drops out during the day. Then
> mostly when it is sunny and hot.
> 
> Other two channels continue to work as normal. The signal drop off is
> compleate, the channel dies at 100%. However, it has been shown that if
> a GSM phone is near the signal shows up on the channel, so I don't think
> it is the hardware. I do think it might be a cable issue. But I am not
> sure, so here is the trace I made from the morning drop out.
> 
> The trace, http://157.157.215.56/~jonfr/dead.channel/
> IPv6 link, for the tech savy and test thirsty.
> http://2a01:348:172::1/~jonfr/dead.channel/
> 
> Regards.
__________________________________________________________

Public Seismic Network Mailing List (PSN-L)