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[wxsig] P&E tools.

Ken.A.Brown at noaa.gov Ken.A.Brown at noaa.gov
Sun Dec 17 20:55:28 UTC 2006


I did some probing around two T-238 (original version) one had the
debug oscillator 9.8304 mHz installed and one didn't.  I had a 
strong birdy on the 14th harmonic of the debug frequency on the 
unit where it was installed.  This is close to 137.62.  On the 
other T-238 without the debug oscillator there was a much weaker 
birdy about 137.600.  The unit with the 137.625 radiation was S-9
on a HT clear across the room.  My units are both constructed 
"bread-board style with no shielding.

Ken Brown

----- Original Message -----
From: Will Beals <will at beals5.com>
Date: Saturday, December 16, 2006 1:16 am
Subject: RE: [wxsig] P&E tools.

> Rick:
> First for the P&E tools, it looks like the moved their links yet 
> again.Their new website structure isn't direct-linkable either so I 
> have to give
> directions:
> 1) Go to www.pemicro.com.
> 2) Under P&E Resources, click on ICS05/08 software link.
> 3) Click on the big-text ICS08/PROG08SZ text link at the botom.
> 4) Click on the Fax, Manuals, and downloads tab at the top of the 
> next page.
> 5) Click on the ICS08GPGTZ v. 1.54 link about 2/3 down on the right 
> column.6) You will need to log in, but the tools are still free.
> As to overheating:  Make REALLY sure you do not have a wall-wart 
> generatingsomething over 12-14 volts if you are still driving the 
> LED backlight.  The
> lower the voltage on that regulator the better as long as you stay 
> above7.5V.  I'm not proud of that regulator choice, but 
> alternatives are really
> expensive, so I ended up doing it again on the T238+.
> As to corrupt code, you can still do downloads, code for the T238 
> and T238+
> is the same.
> Not sure on the RF unfortunately.  If you are running from the 32MHz
> crystal, that is not a nice odd harmonic of that frequency.
> will
> -----Original Message-----
> From: wxsig-bounces at lists.tapr.org [mailto:wxsig-
> bounces at lists.tapr.org] On
> Behalf Of Builderick at aol.com
> Sent: Friday, December 15, 2006 6:12 AM
> To: wxsig at lists.tapr.org
> Subject: [wxsig] P&E tools.
> Hey Will
> and the group
> KB0VBZ here
> I trying to get my old t-238 working again.
> It over heats and resets all the time.
> I think I shocked it and put some static charge in it.
> Might have corrupted the code?
> I cant find a good link to the programing code stuff from P & E  
> Tools?Can you point me in the right direction.
> Also does anyone else see the t-238 ( old needs modem and has debug 
> port.
> I built it from a kit.) produce unwanted rf on 137.62mhz  Mine puts 
> put a
> lot of (RF) on 137.62 doing in my weather satellite pictures from 
> NOAA?Perhaps this is perticular to mine?
> 73
> Rick
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