Re: [ldm-users] [noaaport] NOAAport carrier/noise down considerably since primary switchover

  • To: wx professor <wxprofessor@xxxxxxxxx>
  • Subject: Re: [ldm-users] [noaaport] NOAAport carrier/noise down considerably since primary switchover
  • From: Charles Watson <cwatson@xxxxxxxxxx>
  • Date: Fri, 18 May 2012 08:07:08 -0400
For what it's worth, we're seeing the same thing here in Savannah, occasional 
big drops in the C/N ratio for a couple hours, then back to normal:

So far it hasn't caused any uncorrectables or dropped packets, but it is 
curious.  Wrong time of year for solar interference - maybe a UFO :)?


Chuck Watson
Watson Technical Consulting,  Tel 912.398.9753

"In this house we obey the laws of thermodynamics!"
-- Homer Simpson

On May 17, 2012, at 10:27 PM, wx professor wrote:

>> And inexplicably, as seen across all the NOAAport servers
>> publicly plotting signal strength, VBER and Carrier to Noise (C/N)...
>> the signal and C/N dropped for about an hour today at 17Z, and then
>> both came back up to *near* where they were before all of this started last
>> Tuesday. My C/N is now up to 14.5 or so, up from 13.0, down from 15.0 that I
>> usually get.
> We also noticed shifts in signal quality today... as before, newer
> times on the chart linked below are on the right-hand side... our 10
> foot dish is usually quite stable.
> cheers,
> --patrick
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