LIGO Document D1200869-v9

aLIGO IAS LLO Monuments

Document #:
Document type:
D - Drawings
Other Versions:
13 Jul 2021, 18:11
20 Dec 2012, 12:20
28 Jun 2012, 12:27
The intent is that this document include an Excel spreadsheet of coordinates AND a drawing, which covers all Initial Alignment System (IAS) monuments for use in aLIGO Initial Alignment at LLO.

D980499-C ASC Equipment Layout, Lousiana Site
E1100374-v4 Survey Data for LLO

NOTE: This Excel workbook uses:
1) "XY Chart Labeler", version 7.1.05, cr Rob Bovey. This is a free utility available at
2) A VBA code module to enforce equal X & Y axis scales for the plots. Invoke with Alt-F8

Files in Document:
Other Files:
Notes and Changes:
Added monuments for aligning the L1 PRC and LBSC2 in the region between LHAM3 and LBSC2 per E1200802-v1.
Related Documents:

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