Tag: gps surveying basics

BUY A GNSS GPS FOR JUST $799 AND START YOUR OWN SURVEY COMPANY

ART OF SURVEYING 2 Comments

Reach RS

Yes! Now you can buy a GNSS GPS for under 1000 US Dollars. Emlid has created “Reach RS” GPS for the cheapest price. So that ever-ready surveying, mapping and data collection can be done with centimeter accuracy. There is no need of a controller, just download the ReachView app in you smartphone and configure the Rover base Connection.

The main features are



  • GNSS   -GPS, GLONASS, BeiDou, Galileo, QZSS and SBAS
  • Long range radio- LoRa 868/915 MHz for reliable correction on distances up to 8 km
  • Wi-Fi and Bluetooth- To connect to your device
  • 2 GB storage- For logs and solution tracks
  • 30 hours battery – LiFePo4 battery, USB charging, external 5-40V input
  • Dual-feed antenna- With tight phase center variation

Read More

Basic methods of GNSS/GPS setup or measurement

ART OF SURVEYING Leave a comment

 

As we know a typical GPS setup needs a base and rover. The Base is setup in the known control point and the rover used for the surveys. Leica GS 15 GPS is taken as example in this post. It can be set up in 3 different methods for the GPS Surveying. They are

  1. Setting up with internal antenna
  2. Setting up with external Radio or antenna
  3. Setting up with GSM modem

It will be described briefly how above mentioned system works.

1.Setting up with internal antenna

In this method the small “L” shaped antenna is fixed in the base and rover. The following photos shows typical internal antenna. The range of coverage  is around 2 km. This method is simple and fast but less coverage. Read More