SkyEye Base Control Network Test

SkyEye GIS/RS team set about creating a base control point to use for drone mapping which would allow the team to get millimetre level absolute accuracy for their drone mapping projects.

With the lockdown and limited shipping options. SkyEye was force to improvised and diy our own base mark cap, survey monopole and ground control marks/target.

**Tuna can with 2 inch nail as centre point on a 2x3x14 inch stake for basemark.**

Placing the base station on the base mark with a tribrach and laser plumb for centre point connected to Auscors reference station at fagalil via ntrip. 2 millimetre horizontal and 5 millimetre vertical accuracy.

***Makeshift monopole (aluminium mop handle) and GCP target (painted formica)***

Results:

Relative 2mm and absolute 8mm with corrections. We now also have a permanent base mark we can reuse for future drone survey work for the western part of Upolu

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