Survey123 Accuracy Reporting

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06-21-2021 04:13 AM
ChauhanYashwant
Esri Contributor

Hello

We are using a tablet from CHCNAV called LT700H. It has an integrated high accuracy GNSS from u-blox called ZED-F9P. It produces excellent results with Collector and Field Maps. Autonomous accuracy is 50cm.

With Survey123 on GNSS page it reports poor accuracy figures and the data is in feet. Customer also created an accuracy report field in their form where the numbers are in meters but still the accuracy data is wrong.

  1. Does Survey123 need any special NMEA sentences (different from Collector and Field Maps) to report GNSS accuracy?
  2. Can the accuracy units be changed to meters?

    Survey123_GNSS_1.jpg

Thanks

Yash

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ChauhanYashwant
Esri Contributor

Update: I tested on another device with u-blox M9N GNSS. I could see the same behavior. Accuracy reports well in Collector but shows bad in Survey123.

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