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[wxsig] Using T238+ with LaCrosse Technology Wx Station

kf4ffn at bellsouth.net kf4ffn at bellsouth.net
Fri Mar 7 01:00:36 UTC 2008


yeah ! and maybe a tide sensor to record flooding, storm surge, etc..Can you also include a voltage sensor that would indicate solar battery state?
thanks! ; 
bob
-------------- Original message from "William Beals" <will at beals5.com>: -------------- 


> Gerry: 
> 
> I hadn't heard about APRS lacking resolution before. I know for the T238 we 
> have had long debates over accuracy, but it has almost exclusively 
> surrounded the sensors, not APRS. What do you feel is lacking? 
> 
> There are a few things that would be nice to extend within the weather 
> formats for APRS. One of them several folk have asked for is extensions to 
> allow broadcasting lightning hits. 
> 
> I tried plunking "SGC SWE/SOS" into Google and didn't get any hits that made 
> sense. 
> 
> will 
> 
> -----Original Message----- 
> From: wxsig-bounces at lists.tapr.org [mailto:wxsig-bounces at lists.tapr.org] On 
> Behalf Of Gerry Creager 
> Sent: Wednesday, March 05, 2008 8:06 PM 
> To: TAPR Weather Station SIG Mailing List 
> Subject: Re: [wxsig] Using T238+ with LaCrosse Technology Wx Station 
> 
> 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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> > wxsig at lists.tapr.org 
> > https://lists.tapr.org/cgi-bin/mailman/listinfo/wxsig 
> > 
> > 
> > 
> > _______________________________________________ 
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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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