[vna] Questions

[tom.mcdermott4 at sbcglobal.net]

Roger,

	What version are you running for this test?
I was able to duplicate the Problem with the BETA 2.0.2 stand
alone, but not duplicate it when running under the debugger.
The change to VS2005 is proving to be very error prone with
lots of unexpected bugs.

	-- Tom, N5EG





> -----Original Message-----
> From: vna-bounces at lists.tapr.org 
> [mailto:vna-bounces at lists.tapr.org] On Behalf Of Roger D Johnson
> Sent: Tuesday, January 09, 2007 10:45 PM
> To: TAPR/Ten-Tec VNA Users List
> Subject: Re: [vna] Questions
> 
> 
> tom.mcdermott4 at sbcglobal.net wrote:
> > Hi Roger,
> > 
> > 	The FAQ is on the same webpage as the software:
> > 
> > http://www.tapr.org/software_library.php?dir=/pub/n5eg
> > 
> > 
> > 	Just a guess, did you calibrate the fixture 'through' 
> with a 40 dB
> > attenuator instead of a barrel connector? Wouldn't be the 
> first time!
> > 
> > 	-- Tom, N5EG
> 
> Nope! I redid the thru cal on the 1 meter cable just to make sure.
> I'm looking at 1.8 to 2.0 mHz through the 1 meter cable. The S21
> readings are mag -0.3 db and phase -5.8 deg at 1.82 mHz with 
> the fixture
> cal off. When I turn the cal on, the readings are mag 40.6 db 
> and phase
> -0.3 deg.
> 
> I have no idea what's going on!
> 
> 73, Roger N1RJ
> 
> -- 
> Remember the USS Liberty (AGTR-5)
> http://ussliberty.org/
> 
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