[opendtv] Re: News: Microsoft, Philips Offer New White Space Test Results

  • From: John Willkie <johnwillkie@xxxxxxxxxxxxx>
  • To: opendtv@xxxxxxxxxxxxx
  • Date: Wed, 3 Oct 2007 10:19:32 -0700 (GMT-07:00)

so, these (non-existant) white space devices are more sensitive than a quite 
real HP spectrum analyzer?  Amazing!

Do they do dishes and windows and stop on a dime, giving nine cents change, too?

John Willkie

-----Original Message-----
>From: John Shutt <shuttj@xxxxxxxxx>
>Sent: Oct 3, 2007 9:05 AM
>To: opendtv@xxxxxxxxxxxxx
>Subject: [opendtv] Re: News: Microsoft, Philips Offer New White Space Test 
>Results
>
>Al,
>
>I believe your testing in DC, because I've seen it here in Lansing with 
>ATSC.
>
>However, I will stand by what I said, in that I find it almost impossible to 
>have a null on the pilot that is -114 db, yet have that signal recoverable a 
>few feet away.
>
>What you described is a pilot that was maybe -80, dB and recoverable a 
>couple of hundred yards away.  Any WSD with sensitivity for pilot down 
>to -114 dB would have still detected a carrier, even if you couldn't see it 
>on an HP Spectrum Analyzer.
>
>John
>
>----- Original Message ----- 
>From: "Allen Le Roy Limberg" <allimberg@xxxxxxxxxxxx>
>To: <opendtv@xxxxxxxxxxxxx>
>
>
>> One could drive a hundred yards or so from good reception to abysmal
>> reception.  The transmission antenna heights are pretty low for some DC 
>> area
>> stations, and the terrain is pretty much hill and dale.
>
 
 
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