Project 2004-125 ACME

Airborne Carbon in the Mountains Experiment

Principal Investigator(s):   David Schimel, et al.

NSF/NCAR C-130Q Hercules (N130AR)

RAF Logo, 5,367 byte png


Summary of IRU Performance


IRU Serial Number: 176
DATE FLIGHT NO. FINAL POSITION ERROR IN LATITUDE (MINUTES) FINAL POSITION ERROR IN LONGITUDE (MINUTES) TIME IN NAVIGATE MODE (HOURS) DESTINATION LATITUDE (DEGREES) POSITION ERROR (NMI/H)
05/14/2004 RF01 N 1.8' W 0.5' 4.28 N 39.913 0.43
05/14/2004 RF02 S 0.5' 0.0' 0.92 N 39.913 0.54
05/20/2004 RF03 S 0.8' W 1.7' 4.05 N 39.913 0.38
05/20/2004 RF04 S 0.3' 0.0' 1.42 N 39.913 0.21
05/27/2004 RF05 S 1.2' W 2.1' 4.33 N 39.913 0.46
05/28/2004 RF06 S 1.9' W 2.0' 2.42 N 39.913 1.01 *
07/12/2004 RF07 N 1.1' W 1.1' 4.33 N 39.913 0.32
07/12/2004 RF08 N 0.1' W 1.3' 2.97 N 39.913 0.80
07/20/2004 RF09 N 0.2' W 1.1' 3.75 N 39.913 0.23
07/20/2004 RF10 N 0.1' W 0.2' 2.67 N 39.913 0.07
07/22/2004 RF11 N 0.8' E 0.3' 3.95 N 39.913 0.21
07/26/2004 RF12 N/A N/A 3.62 N 39.913 N/A +
07/26/2004 RF13 S 0.5' W 1.3' 2.43 N 39.913 0.46
07/29/2004 RF14 N 0.9' W 1.2' 5.93 N 39.913 0.22
07/29/2004 RF15 S 0.4' E 0.3' 1.57 N 39.913 0.29
08/02/2004 RF16 N 0.4' 0.0' 4.80 N 39.913 0.08
04/28/2004 TF01 S 0.7' E 0.2' 1.75 N 39.913 0.41
05/03/2004 TF02 N/A N/A 3.69 N 39.913 N/A +
07/15/2004 TF03 S 0.3' E 0.1' 0.70 N 39.913 0.44
      Leading upper-case letter signifies direction of error.
  *  Drift in IRU position data beyond acceptable RAF specifications.
  +  No IRS performance information available for this flight.


Last update: Fri Jul 15 16:26:37 MDT 2005