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Re: Linrad and Tac32
- Subject: Re: Linrad and Tac32
- From: Roger Rehr <comcast.net; w3sz@xxxxxxxxxxxxxxxx>
- Date: Fri, 21 Mar 2008 15:59:17 -0400
I tried the suggestions I had  found by googling and  posted in
an earlier email, and neither worked.
So I googled some more and I just found and tried this approach to
locking in priorities and it DOES work:
For example, for my computer here, to set linrad to high priority I
make a shortcut by right clicking on linrad.exe and then doing 'Send
To' and 'Desktop (create shortcut)' and then once the shortcut has been
created, modifying the target of the shortcut by rightclicking on the
shortcut on the Desktop and selecting 'Properties' and changing the
'Target' to be:
C:\WINDOWS\system32\cmd.exe /c START /high C:\Linrad\linrad-02.39\linrad.exe
for example, and when I start linrad by running this shortcut, it sets
the priority for linrad to 'high'.
Leave the parameter 'Start In' and everything else in shortcut
properties for linrad.exe the same, except for 'Target' which you
change in a fashion analogous to the above to be correct for your
So THIS method is shown to work here at w3sz. ;)
> Roger Rehr
> Quoting VK2KU <vk2ku@xxxxxxxxxxxxxxxx>:
>> Thanks for that Roger.
>> I should have remembered it myself :-)
>> Setting Linrad to "Above Normal" is enough to prevent Linrad
>> freezing when Tac32 is started.
>> Time will show whether this also solves the more occasional
>> freezes, but I suspect it will.
>> There doesn't seem to be any way to lock in the chosen priority,
>> without having to set it anew with Task Manager each time Linrad is
>> Am I missing something here?
>> On Mar 20, 9:37 pm, Roger Rehr <w...@xxxxxxxxxxx> wrote:
>>> What happens when you use the Task Manager to set the priority of
>>> Linrad to, for example, 'Realtime'? [or 'High' or 'Above Normal'?]
>>> Roger Rehrhttp://www.nitehawk.com/w3sz
>>> Quoting VK2KU <vk...@xxxxxxxxxxxxxxxx>:
>>> > I am running just 3 applications on my main shack computer:
>>> > Linrad v2.43
>>> > WSJT6
>>> > and Tac32.
>>> > Computer is a 2.8GHz Celeron, single core with 1.5GB RAM, running XP.
>>> > Tac32 is a TAPR program for reading a GPS receiver and synchronizing
>>> > computer time.
>>> > I have mentioned previously to Leif that Linrad occasionally FREEZES
>>> > in mid operation, for no obvious reason.
>>> > I can now add that if Linrad is already running, it ALWAYS freezes
>>> > when Tac32 is started.
>>> > Tac32 is quite hungry for CPU share until GPS lock is achieved.
>>> > OK, you say, then always start Tac32 before Linrad, and so I do.
>>> > Linrad still freezes but only occasionally after an hour or two.
>>> > This is not really a big deal, but just very irritating.
>>> > I cannot positively link this occasional freezing with Tac32.
>>> > It is difficult to test something that only happens occasionally!
>>> > I have been using the Task Manager to monitor CPU useage,
>>> > Memory useage and Page Faults without learning much.
>>> > WSJT pulls the CPU idle capacity down to zero during decode
>>> > (like Tac32 starting up), but WSJT doesn't make Linrad freeze.
>>> > Thoughts and advice welcome.
>>> > Thanks,
>>> > Guy VK2KU
>>> Roger Rehr
> Roger Rehr
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