This GTA teaches soldiers to perform the “C” Check in accordance with FM 3-34.331. The card provides the field procedure for “C” Check with a table to compute correction for curvature and refraction (leveling).
NOTES: Some references listed in this doc might have been superseded and/or updated and should be checked for accuracy, which can be easily done using the DA PAM 25-30 web page or downloaded and installed program for checking current and superseded DOD publications (For example purposes only: FM 3-0 was superseded by ADP 3-0, on 10 October 2011) : This document is in PDF format : FM 3-34.331 was Rescinded by PAM 25-30, effective 7 MARCH 2013. ▼ (However a historical copy of FM 3-34.331 is available for download on this page below the download of this GTA as a courtesy) ▼
Download GTA 05-02-018 C Factor Procedures, Curvature/Refraction (Historical version) Click Below: ▼
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Download FM 3-34.331 Topographic Surveying (Historical version) Click Below: ▼
