Category Archives: Electronics

IRIS Transmitter V1.2

Posted on 2014-06-07 by Nigel VH

I’ve been working on creating a new version of my IRIS Transmitter boards, which I use for high altitude balloon trackers. This was somewhat more of a re-architechture from the 1.0 and 1.1 revisions. Revision 1.2 brings a number of … Continue reading →

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2014 Balloons Launch

Posted on 2014-06-01 by Nigel VH

Launch happened the morning of Saturday, May 31st. We had two launches from Moses Lake, WA. We were successful in recovering both of the payload strings, and received good data throughout the flights. The first flight carried a number of … Continue reading →

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Black Rock 2014

Posted on 2014-05-11 by Nigel VH

As some of you may know, each year for the past several, I’ve been fortunate enough to be able to volunteer my time and expertise to a couple of classes at the University of Washington, one of which makes a … Continue reading →

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Cacti Poller Issues

Posted on 2014-05-11 by Nigel VH

Cacti has proven to be a pretty useful tool in my experience, but recently, one of my installations seemed to be plagued with random graph drop outs. I’d not seen this sort of issue before that wasn’t related to network … Continue reading →

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Raspberry Pi – Stratum 1 NTP Server

Posted on 2014-03-09 by Nigel VH

So, I’m sure you’ve all heard of the Raspberry Pi, which is a fancy little linux computer that fits in the palm of your hand. It’s certainly not the biggest, fastest, most capable thing out there, but it’s got a … Continue reading →

Posted in Electronics, Projects, Technology | 3 Comments