"Hi John
As a fellow surveyor, I can sympathize with you situation.
You would need some redundancy in the craft to meet site safety standards, a hexa or octocopter instead of a quad. Some of our sites even require protected props. The downside is the…"
"Awesome effort guys!
Is this a plug in component on the APM 2.6 copter?
Would it use the telemetry channel for CMR correction signals or would it be able to receive over GSM?"