Association News

GIAA Mailbag: On Prism Configuration and Checking the Adjustment of Leveling Devices

Tool tips.
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GIAA Mailbag: On Centering Errors for Dual-Axis Compensators and Sun Effects on Tubular Vials

Tips on centering errors for dual-axis compensators and sun effects on tubular vials.
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GIAA Mailbag: On properly maintaining and calibrating instruments.

Basic care of instruments at the office so they operate properly in the field.
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GIAA Mailbag: On sighting distances with digital levels and the accuracy of GPS receivers with WAAS capabilities.

Is it possible increase distances between setups to perhaps twice the maximum distance of 120 m that we try to achieve when the terrain allows it?
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GIAA Mailbag: On Carrying a Total Station and the Accuracy of Reflectorless Total Stations

Do manufacturers recommend carrying the instrument on the tripod?
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GIAA Mailbag: On Errors in Trigonometric Leveling

Tool tips from industry experts.
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GIAA Mailbag: On Tribrachs and Phase Error with Targets

Tool tips.
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GIAA Mailbag: On Right Standards and Backsight Horizontal Circle Values

Tool tips.
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GIAA Mailbag: On Optical Total Stations

Tool Tips.
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GIAA Mailbag: On Technical Support

Answers to questions about technical support.
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HxGN Live

More than 3,500 attendees from more than 70 countries attended HxGN Live, the annual Hexagon AB user conference, at the MGM Grand Hotel & Casino in Las Vegas on June 3-6. About 450 keynotes and panel discussions were held, and several companies from around the world exhibited their geospatial products. Here are a few snapshots from the event.

POB

POB December 2014 Cover

2014 December

In this December 2014 issue of POB, we celebrate our 40th year, and take a look at how we began. Also, see how an innovative approach helped a surveying firm provide fast and accurate volume reporting for the aggregates industry.

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