GPS Comparison Guide

GPS has been getting updates not just 20,000 km overhead, but here on Earth, as well.

[ProjectPhysX]

1cm accuracy at 20Hz is seriously impressive! The $220 price tag for that particular unit is hefty though. I hope prices will come down eventually just as they did with IMUs. Thanks for the video!

[nopparuj]

One centimeter? I will make a wireless mouse.

[DougKutyna]

Great rundown! Already dreaming up ideas for 1cm accuracy...

[rneal]

My crazy idea of the moment is to use accurate GPS to assist in leveling ground for garages, pole barns, shop buildings. This could range anywhere from visual indicators for equipment operators to fully automated bobcat type of equipment. I believe larger dozers already have something like this available. The idea is to lay out the area for the building, perhaps mow it or something to get data for elevation, then move earth from the high spots to the low spots until all is level. If you want it dug out for the rock and concrete, just specify the depth. A full automatic version would probably cost more in safety sensors and equipment than automation controls though.

[Wookey.]

Very useful cheers, but it would have been better to start with a list of the boards and prices, just to orient the viewer to what you were talking about.

[cesarpreciado]

Hello, great information. I have a question, the gnss boards can display state plane coordinates?

[mimArmand]

ZED-F9P! 1 cm accuracy is really great, the price seems to have go up though, although I should say even at its current price ( $275 ), with that accuracy, it's a good deal!

[jafinch]

Great overview. Maybe adding a presentation on increasing accuracy (time or position) via GPSDO, Differential GPS and integrating with location info from like a WiFi source or other known reference position would be an awesome presentation too. Then again... with the RTK systems now days isn't so needed. Nice, overview.

[PISQUEFrancis]

does anyone here know does 1 Hz mean once reading every second from lock or does it mean 1 epoch from an exact second(0'01" as opposed to 0' 01.356345") ... I have used a cell phone to fool around with 1 second epochs, only to find the time is not sychronized to each individual second marks ... that is multiple GPS units(cell phones), records at different parts of a second ....
Sats can move quite a bit in 1/2 second ...

[jnbridgess]

where can we suggest a video? maybe you dont want us to suggest a video... anyway cost effective, discrete medium range rfid, like 1-3 meters range detection. I know vague

[pmlonline]

Is 1 cm the best (rare case), typical, or guarantee so long as the person is outdoors?

[youwei]

good video.we sell the GPS moduel.big company

[AndreasA.S.]

hoping you did more in new orleans than french quarter. your loc there puts you in MSY, baggage claim?
you have contraband tech there, tech and jobs related to them seem to be forbidden.
is the 1cm, LOS or general triangulation (in a building or not)

[tanmayvadhera]

Activation of IRNSS will increase accuracy over Asian countries.

[doge]

we need more american companies like this

[AdityaMehendale]

On a tangent - the "Carmen Sandiego" adaptation on Netflix is really good :)

[youwei]

we are a big maunufacture in shenzhen China who produces the GPS module .any who are intrested in the GPS series.can connect with us