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Giant Kiwi – Doing it with GPS
![](https://john.geek.nz/wp-content/uploads/2020/10/rtkplot_kiwi-200x150.png)
Many, many years ago I marked out a giant Kiwi using tape measures and grids. Now, thanks to my newly built RTK GPS base station, I decided to try it with GPS. I first had to get my…
Read More »New RTK GPS Base station
![](https://john.geek.nz/wp-content/uploads/2019/11/2019-11-09-18.04.51.jpg)
I’ve been running an RTK GPS Base station and feeding the data to rtk2go.com since early 2018. I was initially using a UBlox Neo-M8T which only worked on L1 frequencies, but earlier this year I upgraded it to…
Read More »U-Blox LEA-6H Precision
![](https://john.geek.nz/wp-content/uploads/2018/08/LEA-6H-3DR_Top-200x150.jpg)
This is one of the many tests I’m doing to compare GPS/GNSS receivers. I’ve had this u-box LEA-6H unit for about five years. It was the GPS that came with the 3D Robotics ArduPilot that I’ve been using…
Read More »How precise is a circa 1999 Garmin eTrex?
![](https://john.geek.nz/wp-content/uploads/2018/08/2018-08-18-11.04.05-200x150.jpg)
This is the first of the tests I’m doing to compare GPS/GNSS receivers. I got my first GPS unit, a Garmin eTrex in 2001 and I used it to Geocache. It’s sat unused for over 12 years, but…
Read More »Measuring GPS (GNSS) Accuracy and Precision
![](https://john.geek.nz/wp-content/uploads/2018/08/GPS_post-200x150.jpg)
With the recent technological advancements, I’ve recently become interested in RTK GPS and decided it would be fun to compare all the different GPS/GNSS (Global Navigation Satellite System) receivers I own. I ultimately plan to see how they…
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