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[wxsig] Using T238+ with LaCrosse Technology Wx Station

Gerry Creager gerry.creager at tamu.edu
Thu Mar 6 03:05:52 UTC 2008

One project you might be interested in is wview, a linux implementation 
for the Davis VP2 and Viasala WXT-510.  OK, cool enough, and it's for 
Linux.  BSD.  Mac. Solaris.  Cool.

But, if you were to reflash a Linksys NSLU2 for Linux, add a flash stick 
of a gigabyte, and a USB/serial adapter, and use THAT in place of the 
PC, it's pretty cool, too.

Still, T238 is a neat project.

Will, I'd like to start entertaining other formats.  APRSese lacks a 
little resolution for real met activities.  Any interest in starting a 
dialog for what it'd take to generate a new plan, perhaps 
standards-based (OGC SWE/SOS for the google-inclined)?

73 gerry

William Beals wrote:
> Lee:
> I couldn't afford any of those high-dollar weather stations either!
> Unfortunately, the problem you are having is the same I had.  Outside the
> Peet and Davis solutions, there are no real standard ways of getting data
> from those devices to something that could then reformat the data to
> APRS-ese.  It was that conundrum that finally convinced me to start the T238
> project.  The Peet format for weather data is part of the APRS spec, so if
> you ever could find one cheap, all you'd need is a TNC and radio.
> I must confess to have not been keeping up with other weather stations once
> I started the T238.  Does the LaCrosse weather station have some kind of
> serial output that sends the data out in a known/published format?  If so,
> then there may be hope of a PC-based converter program available somewhere.
> If not, then you may be pretty stuck.
> BTW, one minor point I do like to bring up.  Having a PC on 24/7 to do any
> of your weather data processing is pretty expensive.  At least here in
> Colorado where electricity is 10 cents per KWH, a 100W PC being left on 24/7
> costs about $7.20 a month.  That adds up pretty quick!  At least, that is
> how I justified some of the hardware cost to my wife--"Honey, I'm *saving*
> money with this project!!" :)
> will
> -----Original Message-----
> From: wxsig-bounces at lists.tapr.org [mailto:wxsig-bounces at lists.tapr.org] On
> Behalf Of Lee Mairs (SAG)
> Sent: Wednesday, March 05, 2008 11:13 AM
> To: TAPR Weather Station SIG Mailing List
> Subject: [wxsig] Using T238+ with LaCrosse Technology Wx Station
> Will -
> I couldn't afford one of the hight dollar Peet Bros or Davis 
> Instrument stations - especially after finding a LaCrosse Technology 
> station on Amazon.com that provides wind speed/direction, indoor and 
> out door temperature, rain fall and humidity plus the dew point and 
> wind chill temperatures for only $135.
> Can you recommend an APRS interface for this station?  I was hoping 
> to build a T238+ to interface to the LaCrosse sensors, but now 
> realize that it is probably impossible/impractical.
> 73 de Lee
> KM4YY/8
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Gerry Creager -- gerry.creager at tamu.edu
Texas Mesonet -- AATLT, Texas A&M University
Cell: 979.229.5301 Office: 979.862.3982 FAX: 979.862.3983
Office: 1700 Research Parkway Ste 160, TAMU, College Station, TX 77843

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