> Observations:

 The first couple of times I started up .19, a little box appeared
 saying something about reading calibration values from EEPROM and took
 about 30 seconds to clear as green bar marched to the right. I don't
 recall seeing that in .16.  After the reinstall of .19, I don't think
 it did that.

 [Tim] PowerSDR always does that with a new database - it is transferring data 
from the radio's EEPROM (where the calibration data is stored) to the database.

Yeah, I expected that the first time. What seemed unusual was that it was doing 
it*every*  time I started .19.

 The first time I installed .19, it automatically went into a
 calibration routine. The second time I installed it, it did not.

 [Tim] PowerSDR can tell when you have updated RX image calibration data in the 
EEPROM.  It only needs to do it once.

Ah, probably compares the checksum. Ok, that makes sense.


 It also seemed to remember some of the settings from the previous
 install  such as the frequencies in the band stack. This makes me
 wonder whether the removal really cleared all the information it
 needed to.

 [Tim] As noted before, radio calibration data is stored permanently in the 
radio's EEPROM, not on the  PC. Also removing the software does not remove your 
database, as it was created after the installer placed files on your computer.

Hmmm, I hadn't thought about the installer/deinstaller not knowing about files 
created after. Good point.


 Both times I installed .19, I specified only F3K/F5K radios, not the
 legacy SDR1000 I had also installed on 2.0.16. However both times when
 the install was completed and PowerSDR starts up, it presents me with
 the radio chooser with the F5K and the SDR1000. It seems to have
 'remembered' that from the 2.0.16 install. I thought each version of
 PowerSDR ended up in it's own directory with it's own files.

 [Tim] This is the default behavior when there is no master.xml file (that 
controls what radios have been used with the PC)

Then how does it know the serial number of the SDR1000 that I had  entered back 
on 2.0.16?


 I'm presuming I've got a cockpit error here someplace, but not sure
 what it is.

 [Tim] Probably not.  Have you tried a hardware reset?  Sounds like the 
firmware didn't properly initialize after loading
http://kc.flexradio.com/KnowledgebaseArticle50350.aspx


Ok, I did the hardware reset. Shut down PowerSDR, turned off the radio, pulled 
the power connector off the back of the radio and left
it for a few minutes then came back and started it up and loaded 2.0.19. Things 
got worse.

When I first started it, there was no audio for about 40 seconds although the 
pandapter was displaying signals normally. Then there was receive audio for a 
moment, but no
transmit audio again, then the receive audio went away again.

I stopped it and ran 2.0.16 to compare. That had no receive audio either and 
after a minute or two it had not come back.

I went back to 2.0.19 and now there was no audio, and the panadapter was 
cycling between being blank, or having some weird sort of display
that looked like the top half of a sine wave (smooth too, none of the usual RF 
noise hash at -100 db), cycling between them at about a 1 second rate.
Since it seemed I had the Midas touch in reverse, I gave up at that point and 
called it a night.


 Besides using the add/remove tool in control panel, is there more I
 need to do to really clean out PowerSDR? Should I remove the previous
 versions that are on the machine as well?

 [Tim] No, do not remove previous versions.  That could cause problem with the 
Firewire driver.

 Next steps?

 [Tim] Contact Dudley with FlexRadio Support

Sent him this reply this morning and haven't heard anything back yet. I'm sure 
there are others in line ahead of me. I had hoped to try some things this 
evening. Is it safe to go in and remove all
the PowerSDR programs and drivers from the computer and try to start fresh? 
Your note above about causing problems with the firewire driver give me pause 
about doing that.


Kevin, WB2EMS




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