"I live in a valley and there are mountains they go 45 degrees up the horizon on one side. So I thought they'd be useless. And really, the IR is a crutch for everyone until they can get gyros working. But, after seeing some data Dean posted in the…"
"There's no standard for part marking. You will only get a pin 1 designator. From there, you have to refer to the spec sheet. Your LED did have a pin 1 designator. You just don't know if pin is is anode or cathode :)
"It'd be great if you guys could publish the noise characteristics of your SCP1000. Just measure 20 samples in a room with still air, then put them in excel and run the =stdev(A1:A20) function and report that.
"If you are 10,000 feet away from me and you send a blip at GPS t=0, then it takes about 10,000 nS, or 10 uS to arrive at my location. Seems like there would be several solutions to your equation above and it'd be impossible to disambiguate."
"Terraserver is pretty good, and doesn't have the heavy-handed terms of service that google and microsoft have. It also supports several web service interfaces and has always been very fast for me when using the webapp interfaces."