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<body><div>This morning I saw this at CalTech:<br></div>
<div><a href="http://i.imgur.com/oXPQntw.jpg">http://i.imgur.com/oXPQntw.jpg</a><br></div>
<div> </div>
<div>It is a "solar weather monitoring station" near a large install of solar panels. Looks similar to the one Braddock saw.<br></div>
<div> </div>
<div>"""<span class="highlight" style="background-color: rgb(255, 255, 255)"><span class="colour" style="color:rgb(0, 0, 0)"><span class="font" style="font-family:arial"><span class="size" style="font-size:12px">Weather Stations are a useful tool for solar power site surveys, efficiency analysis for installed systems, and energy consumption as a function of ambient conditions. Weather Stations with solar radiation sensors (pyrometers) and temperature sensors allow you to calculate efficiency and power production vs. consumption. In addition, connectivity to environmental monitoring systems (SCADA) provide automated feedback systems."""</span></span></span></span><br></div>
<div><span class="highlight" style="background-color: rgb(255, 255, 255)"><span class="colour" style="color:rgb(0, 0, 0)"><span class="font" style="font-family:arial"><span class="size" style="font-size:12px"><a href="http://www.ambientweather.com/weather-stations-for-solar-power-monitoring.html">http://www.ambientweather.com/weather-stations-for-solar-power-monitoring.html</a></span></span></span></span><br></div>
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<div>On Mon, Mar 25, 2013, at 03:41 PM, James McDuffie wrote:<br></div>
<blockquote type="cite"><div>I don't think what you saw is a gunshot detector. A cursory search online shows that acoustic gunshot detectors look pretty different. Also, the gunshot detectors usually seem to be accompanied by a camera.<br></div>
<div> </div>
<div><a href="http://www.thalesgroup.com/Portfolio/Defence/Thales_GunShot_Detector/">http://www.thalesgroup.com/Portfolio/Defence/Thales_GunShot_Detector/</a><br></div>
<div><a href="http://www.notbored.org/gunshot-detectors.html">http://www.notbored.org/gunshot-detectors.html</a><br></div>
<div><a href="http://www.pressking.com/press-releases/GUNSHOT-DETECTION-SYSTEM-SLASHES-GANG-VIOLENCE-IN-CITIES-AND-TOWNS-017246">http://www.pressking.com/press-releases/GUNSHOT-DETECTION-SYSTEM-SLASHES-GANG-VIOLENCE-IN-CITIES-AND-TOWNS-017246</a><br></div>
<div> </div>
<div>On Mon, Mar 25, 2013, at 03:24 PM, Braddock wrote:<br></div>
<blockquote type="cite"><div>Gunshot detector.  I like it.  That
      would explain why there were (at least) two - and maybe they need
      wind speed to help the calculation?<br></div>
<div> </div>
<div>
      Just the type of superfluous thing the South Pasadena City Council
      would waste my money on.  I'll write them and see if they can
      confirm.<br></div>
<div> </div>
<div>
      -braddock<br></div>
<div> </div>
<div> </div>
<div>
      On 03/25/2013 11:49 AM, Richard Scobey wrote:
    <br></div>
<blockquote cite="mid:4327CB77-DE6E-4EA2-A5BD-53B62A4D6DB2@earthlink.net" type="cite"><div>I remember hearing that sensors were being installed
        throughout the Los Angeles area to detect gunshots. Using
        triangulation, they are able to pinpoint the source.  <br></div>
<div>Does anyone know what those look like?<br></div>
<div> </div>
<div>Rick Scobey<br></div>
<div> </div>
<div>
        Sent from my iPad<br></div>
<div> </div>
<div>
        On Mar 25, 2013, at 11:11 AM, Dan Buthusiem <<a href="mailto:dan.buthusiem@gmail.com">dan.buthusiem@gmail.com</a>>
        wrote:<br></div>
<div> </div>
<blockquote type="cite"><div><p>I've noticed quite a few popping up recently. One in South
            Pasadena seemed to be the best WiMax spots back when it was
            still in deployment. I doubt they're all weather stations,
            seeing as I don't see the use of having such a dense sensor
            distribution for tracking weather. I can only guess it'd be
            for seismic activity (they are working on adding sensors to
            the seismic detector network), or the possibility they're
            antennas for some sort of urban wireless network. Whatever
            they are, they're definitely growing in number. Good to know
            I'm not the only one to notice them. <br></p><div><div>On Mar 25, 2013 9:47 AM, "James
            McDuffie" <<a href="mailto:mcduffie@pitfall.org">mcduffie@pitfall.org</a>>
            wrote:<br></div>
<div> </div>
<blockquote style="margin:0 0 0
              .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div>I was curious too. I looked both at the Weather
                  Underground and NOAA station locator websites and
                  could not find anything listed at those cross streets.
                <br></div>
<div> </div>
<div><a href="http://www.wunderground.com/weatherstation/about.asp" target="_blank">http://www.wunderground.com/weatherstation/about.asp</a>
                <br></div>
<div><a href="http://www.ncdc.noaa.gov/cdo-web/" target="_blank">http://www.ncdc.noaa.gov/cdo-web/</a>
                <br></div>
<div> </div>
<div>Some questions that might lead to more answers:
                <br></div>
<div>* Is pole on private or public property?
                <br></div>
<div>* Do you see a control box on the ground? I am
                  guessing the control and communication equipment is
                  mounted above the radiation shield.
                <br></div>
<div>* Is there a wire going from the station into the
                  pole?<br></div>
<div> </div>
<div>Maybe its a station for a local school.<br></div>
<div> </div>
<div>On Mon, Mar 25, 2013, at 08:20 AM, Braddock wrote:
                <br></div>
<blockquote type="cite"><div>Do cities regularly install weather stations? 
                    What for?  And two on one block?
                  <br></div>
<div> </div>
<div> I'm very curious.
                  <br></div>
<div> </div>
<div> -braddock
                  <br></div>
<div> </div>
<div> </div>
<div> On 03/24/2013 03:44 PM, Claude Felizardo wrote:
                    
                  <br></div>
<blockquote type="cite"><div>Yuppers.  Definitely looks like a wind speed
                      sensor, possibly a rain gauge on top and a
                      ventilated temp and/or humidity sensor.  Surprised
                      that there isn't a wind direction sensor.  
                    <br></div>
<div> </div>
<div>They could be monitoring for other stuff.  Air
                      pollution but then they usually need easy access
                      to a particulate filter fairly often. 
                    <br></div>
<div> </div>
<div> </div>
<div> On Mar 24, 2013, at 2:32 PM, James McDuffie
                      <<a href="mailto:mcduffie@pitfall.org" target="_blank">mcduffie@pitfall.org</a>>
                      wrote:
                    <br></div>
<div> </div>
<blockquote type="cite"><div><div>Looks very much like a weather station. 
                        <br></div>
<div> </div>
<div> </div>
<div><a href="mailto:braddock@braddock.com" target="_blank">braddock@braddock.com</a>
                          wrote:
                          <blockquote style="margin:0pt 0pt 0pt
                            0.8ex;border-left:1px solid
                            rgb(204,204,204);padding-left:1ex"><div> There are two of these things mounted
                              on poles one block apart on Mission and
                              Fair Oaks in South Pasadena. 
                            <br></div>
<div> </div>
<div> What are they? Is the city running
                              some kind of weather station?
                            <br></div>
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