Re: linrad-02.41 and 02-42

[Dave Sublette <arrl.net; k4to@xxxxxxxxxxxxxxxx>]

I am using 2.35 in a windows executable format. Since I am using a PC 
with Windows XP, I am not sure I can use 2.41 or 2.42. If it is 
available for a windows machine, I will be glad to use it. I'm doing 
well with the version I am running. During the VHF contest this weekend, 
I could readily find microwave stations who were off frequency. It made 
things easier for me.

Dave, K4TO

Leif Asbrink wrote:
> Hi All,
> 
> There has been very little feedback on Linrad-02.41 and
> I could guess it is because it is not so bug-rich, but on the
> other hand, there are only 59 subscribers to this list 
> so the number of active users must be very small.
> 
> I have made a couple of small improvements and I am ready to
> upload Linrad-02.42 before I leave home for two weeks 
> in the sun (Oman, on Saturday.)
> 
> The main changes are:
> 
> 1) The error message for missing inpout32.dll with SDR-IQ
> or SDR-14 under Windows is now correctly displayed.
> 
> 2) The point where the 10 dB attenuator is switched in with 
> SDR-IQ is now a user parameter.
> 
> 3) The mirror image balancing does not "forget" its data
> when extra key-presses are made. 
> 
> 
> I discovered the problem (3) while writing a new page on
> mirror image calibration:
> http://www.sm5bsz.com/linuxdsp/iqbal/iqcal.htm
> (Before, generating .gif files did not work on these screens.)
> 
> As you can see by following this link, the Linrad calibration
> routine allows 100 dB image rejection (or more) already with 
> a relatively noisy generator like the HP8657A. The stability
> of the WSE units does not allow a determination of where the 
> limit is.
> 
> Before uploading 02-42 I would like to know if there are any
> other issues with 02-41.
> 
> As you perhaps know, the latest "stable" version is
> Linrad-02.35 although several more recent versons have
> been available for quite some time.
> 
> Please send a short note if you tried 02-41 without problems,
> if I get several YES I will replace 02-35 with 02-42.
> 
> 73
> 
> Leif / SM5BSZ
> 
> 
> > 
> 

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