Argo Floats
Earlier this year, Michelle made a super cool vidoe about Argos Floats. The floats are popular and there are other videos out there.
View ArticleLooking at large diffs
Here is a little Unix command line trick. I've been looking at the differences between version releases in software like GDAL, HDF4, HDF5, etc. There is often a lot of noise (aka non-functional...
View ArticleUS fishing and passenger exemption for greater than 65 feet
I didn't realize that this exemption is in the USCG AIS Carriage Requirements (emphasis added): - 164.46 Automatic Identification System (AIS). (a) The following vessels must have a properly installed,...
View ArticleIOOC DMACS
Today is the start of a multi-day Interagency Ocean Observation Committee - Data Management and Communications Steering Team (IOOC DMAC) meeting. Sadly, I've always been a remote attendee as the rep...
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Confusion over SRT and ExactEarth's press release
I posted this yesterday on google plus. TL;DR Probably one of: it's NOT AIS (using some other freq/comm encoding), it's an out of spec Class B AIS, or a spamming binary message with EEC to compensate...
View ArticleMore open sensor format discussion
Originally posted here: https://github.com/tkurki/navgauge/issues/4 Kees Verruijt pinged me discussion and suggested I should add my $0.02 on requirements. Interesting discussion. For me, JSON is nice...
View ArticleDisabling autologin on a mac from the command line
Just did this remotely on a mac. I had historically left autologin running. This was blocking some system admin tasks. Here is what I did to fix it....
View ArticleAIS talkers for NMEA VDM/VDO messages
I got an email with this question: In my data feed m getting some sentences with packet types I do not recognize. Could you tell me what they mean? !BSVDM !ABVDM I'm also getting multi-sentences with...
View ArticleSoftware Defined Radios
Last time I went looking for Software Defined Radios (SDR) to play with, the price was in the $300-$500 and up. That is quite different than some of the options we have today. I just ordered at NooElec...
View Articlepkg-config
I had never really used pkg-config before today. Turns out to be reasonably simple. I read through the man page an here is me messing with it. type -a pkg-config pkg-config is /sw/bin/pkg-config dpkg...
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A unified marine sensor logging format
This is the first of a series of posts I hope to write. https://xkcd.com/927/ See also: Toils of AIS by Eric S. Raymond and Kurt Schwehr. I am frustrated that each sub-community of marine related...
View ArticleGoogle Docs Mac OSX 10.9 Mavericks
For my desktop, I have linux (I gave up on macs for the desktop), but for my mobile devices, I've been using Mac devices. Mac OSX is really frustrating at a low level compared to Linux, but I like the...
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AutoAwesome winter in NH
AutoAwesome on G+ is often just cheesy, but I really like this one.
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Cross country flight
I just recently got to fly from West Coast to East Coast (US that is). I always enjoy trying to capture good pictures when I have access to a window. A few years back, I always seemed to get people...
View ArticleStarting out 2014
I'm not as cool as people like pydanny with posts like New Year's Meme 2013 that cover What's the Coolest Thing You Discovered This Year, What New Programming Technique Did You Learn This Year, Which...
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Hello go (golang)
I've been sick for 10 days and am going totally stir crazy. I figured it was time to finally get over the initial kickstart of using go. Till now, I've always left the direct use of go to my...
View ArticleGebco multibeam cookbook
I was talking to people at AGU about common issues in multibeam sonar data. I made a comment that there is not great documentation out there that goes through the common issues seen in multibeam...
View ArticleNextGov Bold award for Whale Alert
Congrats to Dave Wiley and everyone who made Whale Alert possible. We are quite the large, distributed and non-traditional team. Nextgov Honors Feds for Innovative Tech That Saves Time, Money and Lives...
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