Regionals, 24 May 07

Clear, warm day with a good 15 MPH base wind from the SW. Launched a T2 154 from Regionals at 15:43 and flailed for a few minutes in small fast-drifting rockets near the hill. Went over to Cloud Peak and hooked a solid one that was hard to stay within as it drifted. Climbed to 6400 in that one over about 6 minutes, seeing 600-800 FPM on the averager mostly. My GPS reports one brief vario reading of 2231 FPM, but that sounds a bit high. Dashed to Crestline and back out front where I
stumbled into a wide boomer that was 800-1000 FPM, so I rode that to 6200 MSL. Did a VGT run against the headwind out to just beyond Kendall Dr., since the other guys had landed already. When I went back to trim, I had almost no groundspeed. Turned and did a moderately high-airspeed run straight downwind with ground speeds over 80 MPH. Had to hunt for sink to descend to the LZ, and it was quite breeze and bumpy there. I did a real tight approach from upwind and had an up and down final to a nice landing at 16:19.

GPS track images and flight gory details on my website.



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Thanks for the writeup,

Thanks for the writeup, Ken.

I downloaded the igc and played it in seeyou... looked like fun.

Are you going to be out tomorrow? Follow the smoke in the LZ to a Brat. :)


Working Friday, flying this weekend

Hey John, I'm glad uploading those files serves a purpose :)

If tomorrow's like today, it'll be fun. It was pretty windy later.

I just started playing with a linux program called GPSman (GPS Manager) that has a funky retro interface but reads the Garmin and displays the data nicely as text (and a 2D map view). A cool thing I just discovered is that it saves to GPX, which is an XML GPS format. GoogleEarth reads GPX, so one could look at flights in GoogleEarth without having to subscribe to the Plus version (which reads from GPS devices directly, in Windows). Also, there are possibilities of easily processing GPX files with AJAX. The freeware GPSBabel in Windows will translate IGC to GPX, but you have to get rid of the final line of the IGCs from SeeYou.

I've got to remember to oil the prop on my beanie tomorrow...



What is this thing you call work?

Thanks for all that info.

Fortunately, Flychart, which is what I download my Flytec 5020 data into, exports to Google Earth directly. But that info may come in handy for my other GPS logger that I use for work (sometimes I'm too busy to track where I am for how long and I use that for backup).


Linux software

Ken,

You can also use gpsbabel from the command line from linux to extract stuff from your garmin, and convert it to IGC/KML (the google earth format)/whatever. For the few tracks that I've recorded so far, that's worked really well. For rendering, I've been using either google earth, or GPLIGC (http://pc12-c714.uibk.ac.at/GPLIGC/GPLIGC.php). GPLIGC is cool because it does a lot of statistical analysis like number of thermals, time spent in thermals, etc. on the tracks.

I've got a couple post on my blog with renders from GPLIGC if you want to check them out: http://www.tenslashsix.com/?p=127 and http://www.tenslashsix.com/?p=126


Thanks. More to explore.

I wasn't aware there was a linux version of gpsbabel, and GPLIGC looks useful. More stuff to download and explore! Your renderings with the psychedelic hills are interesting...

I've decided to finally upgrade from Mandriva 10.0 to Mandriva 2007 Spring, so after that I'll take a look at GPLIGC.



Trippy Hills

Yeah, I've not managed to find any satellite topo images of our region yet, so GPLIGC is only showing elevation data via colors there. Oh well.


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