IRU Gyro Bias Monitoring and Trending

The left plots below are time trends of IRU gyro biases. The first panel shows the roll bias, the second panel shows the pitch bias, and the bottom panel shows the yaw bias. Each data point is an average value over one hour. The unit is arcsec /sec.

The right plots are the histogram of gyro bias shift over one hour. The shift is computed by taking the difference between two adjacent data points (one hour apart). Note that the frequency axis is in log scale.

Entire Period

Year: 2021 (Go to: Prev Year)

The y axis range is different from one year to another. The y axis of the histogram is in log scale.

Click the link below to open a month long plot of year 2021.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Click the link below to open another year.

1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
2019 2020 2021              

If you have any questions about this page, please contact swolk@cfa.harvard.edu

Last Update: Jul 26, 2018