I have had some trouble keeping my WinSDR up and running.  It frequently
shows just a blank screen, with all helicord traces gone.  Just as if I'd
just opened the software without a seismometer connected to the computer.
The computer is an older Dell with a 2 GHz processor and 512 Mb RAM, running
WinXP with I think service pack 3.

What is interesting about this phenomenon is that there is a wireless router
in the house (the seismo server has no wireless capability and is not
connected to the network) and WinSDR will work fine until someone sits down
at another computer and the wireless network starts exchanging traffic.
Then the WinSDR screen loses the displayed data and goes blank.

Is it possible that somehow the USB cable from the seismometer to the seismo
server computer  is acting as an antenna and picking up enough interference
from the 2++GHz wireless LAN system to crash WinSDR?  WinSDR does not
actually crash, it just loses the data traces, which disappear.  My next
step is to dig out some old books and see if I can figure out what length
the seismo cable would have to be to resonate at the wireless LAN
frequency.   But I think it would have to be very short?

This is another unexpected educational aspect of this hobby!   Just
wondering if anyone else has experienced this issue?

Thanks,

Bob

I have had some trouble keeping my WinSDR up=
 and running.=A0 It frequently shows just a blank screen, with all helicord=
 traces gone.=A0 Just as if I'd just opened the software without a seis=
mometer connected to the computer.=A0 The computer is an older Dell with a =
2 GHz processor and 512 Mb RAM, running WinXP with I think service pack 3.<=
br>


What is interesting about this phenomenon is that there is a wireless r=
outer in the house (the seismo server has no wireless capability and is not=
 connected to the network) and WinSDR will work fine until someone sits dow=
n at another computer and the wireless network starts exchanging traffic.=
=A0 Then the WinSDR screen loses the displayed data and goes blank.



Is it possible that somehow the USB cable from the seismometer to the s=
eismo server computer=A0 is acting as an antenna and picking up enough inte=
rference from the 2++GHz wireless LAN system to crash WinSDR?=A0 WinSDR doe=
s not actually crash, it just loses the data traces, which disappear.=A0 My=
 next step is to dig out some old books and see if I can figure out what le=
ngth the seismo cable would have to be to resonate at the wireless LAN freq=
uency.=A0=A0 But I think it would have to be very short?



This is another unexpected educational aspect of this hobby!=A0=A0 Just=
 wondering if anyone else has experienced this issue?=A0 

Thanks,
Bob