ohm-advisors.com mobile field data collection architects. engineers. planners. r. michael cousins,...

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Mobile FieldData Collection

Mobile FieldData Collection

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R. Michael Cousins, GISPGIS ManagerOHM Advisors

R. Michael Cousins, GISPGIS ManagerOHM Advisors

Old Method of Field Data CollectionOld Method of Field Data Collection

• Trimble GeoXH handheld unit• Camera• Take Notes by hand• Averaged ~80 points per day

• Trimble GeoXH handheld unit• Camera• Take Notes by hand• Averaged ~80 points per day

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New Method of Field Data CollectionNew Method of Field Data Collection

• Samsung Galaxy Tab S or iPad Air• Garmin GLO External Satellite Receiver• Verizon mifi Mobile Hotspot• Trimble TerraFlex Software• Averaged ~250-300 points per day

• Samsung Galaxy Tab S or iPad Air• Garmin GLO External Satellite Receiver• Verizon mifi Mobile Hotspot• Trimble TerraFlex Software• Averaged ~250-300 points per day

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Pros/Cons - Old MethodPros/Cons - Old Method

Pros•Accuracy - subfoot

Cons•~5-10 mins just to turn on and open•~5 mins to lock onto satellites•Post process data•Manually tie photos to points• $$$$ - Total package is over $12,000!!• Not including man hours on the backend

Pros•Accuracy - subfoot

Cons•~5-10 mins just to turn on and open•~5 mins to lock onto satellites•Post process data•Manually tie photos to points• $$$$ - Total package is over $12,000!!• Not including man hours on the backend

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Pros/Cons - New MethodPros/Cons - New Method

Pros•Quick, easy data collection•Nice forms•Easy to hand place points if GPS signal is not great or if it is not safe to collect a point onsite•Ties photos directly to points•No post processing•Limited time on the backend•Nice exports (KML-Google Earth, CSV -Excel, XML -GIS)• $$$$ - Total package with 2 tablets ~$1,000Cons•Accuracy - 1-3m

Pros•Quick, easy data collection•Nice forms•Easy to hand place points if GPS signal is not great or if it is not safe to collect a point onsite•Ties photos directly to points•No post processing•Limited time on the backend•Nice exports (KML-Google Earth, CSV -Excel, XML -GIS)• $$$$ - Total package with 2 tablets ~$1,000Cons•Accuracy - 1-3m

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Tablet ViewerTablet Viewer

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Online ViewerOnline Viewer

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Online ViewerOnline Viewer

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Why Trimble TerraFlex?Why Trimble TerraFlex?

• Affordable, cost-saving, and easy solution for field data collection

• Minimal training needed

• Designed for multi-platform use (Android, iOS, and Windows Mobile)

• Affordable, cost-saving, and easy solution for field data collection

• Minimal training needed

• Designed for multi-platform use (Android, iOS, and Windows Mobile)

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When to use Trimble TerraFlex?When to use Trimble TerraFlex?

• If Pen + Paper are used in field• If current software solutions are too

expensive• If there is a push to GO GREEN or paperless• If you want consistent data• If you want to save $$$$

• If Pen + Paper are used in field• If current software solutions are too

expensive• If there is a push to GO GREEN or paperless• If you want consistent data• If you want to save $$$$

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