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578Re: [tracker2] PLC logic

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  • Wes Johnston
    Jun 2, 2006
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      Maybe in 4 to 6 weeks.. no definite word yet.  I'm just brainstorming (and double checking ideas w/you) before presenting them to the balloon guys... better to sanity check here than foot in mouth later.
       
      Hey, on another subject, I got to thinking about my 276 not sending 1 second updates in garmin mode... wonder if it's a bug in the firmware?  What is the command you send a garmin to make it spew data second by second?  I can then ask them if there is a proper way or if that way is broken.
      Wes
      ----- Original Message -----
      From: scott@...
      Sent: Friday, June 02, 2006 3:07 PM
      Subject: RE: [tracker2] PLC logic

      A bounding box (coordinates giving two corners) would be very easy to implement.  I won't have a generic way to do that for a while, but I can do a one-off firmware build for now.
       
      This weekend I should have a chance to get the high side switch fully tested out.  When is your launch?
       
      Scott


      From: tracker2@yahoogroups.com [mailto:tracker2@yahoogroups.com] On Behalf Of Wes Johnston
      Sent: Friday, June 02, 2006 11:39 AM
      To: tracker2@yahoogroups.com
      Subject: [tracker2] PLC logic

      Scott, you mentioned PLC logic a couple of weeks ago... we have a balloon we want to launch and would like to send a message to the T2 to use the hi side switch to activate a nichrome wire to cutdown the payload.  As an extra measure, can you think of a way to provide the tracker with two points defining a line (or a single point and radius) and automatically activate the cutdown?  Problem is, we live near the coast and if our balloon blows too far east, we'll never see it again.  I'd like to describe a line from Savannah GA to Wilmington NC, and if it crossed that line, activate the cutdown.  Or a 300km raduis from greenville SC.
       
      Wes
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