Accession Number:

ADA282155

Title:

Comparative Analysis of Leveling Instruments Wild NA3000 and Zeiss NI-1

Descriptive Note:

Scientific paper

Corporate Author:

ARMY TOPOGRAPHIC ENGINEERING CENTER ALEXANDRIA VA

Personal Author(s):

• Ackeret, James R.

Report Date:

1994-07-01

Pagination or Media Count:

11.0

Abstract:

This study is a comparative analysis of leveling instruments in the vertical control survey conducted on the Dhahran Test Range in Saudi Arabia. The vertical leveling observations for first-order were obtained using Zeiss Ni-1 and Wild NA3000 leveling instruments. The vertical control network was adjusted using a least square program developed at the United States National Geodetic Survey, NGS. Vertical control, Optic level, Digital electronic image processing to determine height and distance.

Descriptors:

• *GEODETIC SURVEYS
• *SURVEYING(GEOGRAPHIC)
• *LEVELING
• TEST AND EVALUATION
• IMAGE PROCESSING
• OPTICS
• SAUDI ARABIA
• DISTANCE MEASURING EQUIPMENT
• HEIGHT FINDING
• HEIGHT
• UNITED STATES
• SURVEYS
• IMAGES

Subject Categories:

• Geodesy

Distribution Statement:

APPROVED FOR PUBLIC RELEASE