529-1980/Cor 1-2017-IEEE Standard Supplement for Strapdown Applications to IEEE Standard Specification Format Guide and Test Procedure for Single-Degree-of-Freedom Rate-Integrating Gyros-Corrigendum 1: 3.3.9.2.2, 3.6.4.1.1, 3.6.4.1.2, 6.3, and 10.10.4.1