Author | Comment | Last activity | Moderation | ||
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mathew | "I'd put an emphasis on getting lots of orders for the mass produced versions that we get a good margin on. Can you split the difference between the..." | Read more » | over 12 years ago | |||
mathew | "I don't know if it will hold tension on a balloon-- I've been using it on kites. my next balloon flight I'm going to add a loop of line by tying a ..." | Read more » | over 12 years ago | |||
mathew | "Thanks Michele, based on your suggestion, I switched to very small carabiners sold for keychains back in April. they work great-- I've had the same..." | Read more » | over 12 years ago | |||
mathew | "I like the general flow... but it seems targeted towards a general audience (people getting their first spectrometer, intro to spectrometry) I'd me..." | Read more » | over 12 years ago | |||
mathew | "Slashdot has a lot to say about surfacestations. NOAA has a pretty good rebuttal via TapeCutter " | Read more » | over 12 years ago | |||
mathew | "That's the kingfisher! " | Read more » | over 12 years ago | |||
mathew | "looks like a fine kite-- it will probably need a long tail and needs to be turned around, so the frame is on the back of the sail material. to adj..." | Read more » | over 12 years ago | |||
mathew | "Cool Gina! You'd asked a few questions on the list about georectifying imagery that has previous aerial reference imagery . Consider using ground..." | Read more » | over 12 years ago | |||
mathew | "cool. White Star Balloons has done some great open hardware work on high altitude balloons as well. Those interested in high altitude ballooning ..." | Read more » | over 12 years ago | |||
mathew | "cool- the spars sound a little thin, I'd keep it only for light wind (sub 10mph), and add some sort of re-enforcement at the ends of the spreader s..." | Read more » | over 12 years ago | |||
mathew | "Those are some interesting problems with the reflection-- I wonder if they could be solved by switching the direction the LED points from pointing ..." | Read more » | over 12 years ago | |||
mathew | "Don, That's awesome! Jeff's sketchup files are here: http://publiclaboratory.org/notes/warren/6-12-2012/mobile-android-version-spectral-workbench " | Read more » | over 12 years ago | |||
mathew | "the first print is rarely right-- I remember buying an expensive stereolithography part several years ago and having it arrive as a thin surface sl..." | Read more » | over 12 years ago | |||
mathew | "Nice! can't wait to hear more. makes me feel like i've been wasting my time measuring things. Build questions: -- is that yellow duct tape? -- wh..." | Read more » | over 12 years ago | |||
mathew | "totally. some sort of logarithmic curve makes a lot of sense-- the curve would reflect the inaccuracy of large ranges and give more accurate adjus..." | Read more » | over 12 years ago | |||
mathew | "cool. if it's a problem, grab a few 1N4001 (or 1N4002,3,4...) diodes from radioshack or any electronics store, they're handy to have around for ju..." | Read more » | over 12 years ago | |||
mathew | "cool! the 6v signal isn't a problem for the cameras? USB is usually 5v or lower. if there's a problem, you could put a few diodes in the line to d..." | Read more » | over 12 years ago | |||
mathew | "The long hotdog balloons also bring up another great possibility-- coding ground control points via balloon animals. I look forward to matching up ..." | Read more » | over 12 years ago | |||
mathew | "the flight restrictions are going to be the same everywhere-- stay away from the airport and under 300 feet. These balloons ARE large enough to ..." | Read more » | over 12 years ago | |||
mathew | "I can do some layout work next week on the introduction to NDVI as is (converting the images to greyscale, etc.)-- i'd focus energy on the image in..." | Read more » | over 12 years ago | |||
mathew | "I'd like to see good bit of the introduction to NDVI, a quick note on hacking the cameras accompanied by this image, and something on interpreting..." | Read more » | over 12 years ago | |||
mathew | "nice jeff, that looks like the circuit diagram. Are there also some eagle files for the board? Arduino code? no rush, but it would be nice to be a..." | Read more » | over 12 years ago | |||
mathew | "I'm excited to buy these components and try out flying one-- are the some circuit diagrams around? " | Read more » | over 12 years ago | |||
mathew | "Great idea with the coded ground control points-- I attached the rendered PDFs for folks who aren't comfortable with code, and made a modified vers..." | Read more » | over 12 years ago |