Garmin Dead Reckoning Software Engineer interview questions

1. Online application 2. A recruiter emailed regarding setting up initial phone interview. Sample questions she asked me: When was the first time i heard about the GPS and how? Why Garmin? About my research area: advantages and disadvantages of GPS and INS My skill set for C/C++ on a level of 1-10 After initial phone interview, I was asked to go through technical interview: IMU error modelling questions (allan variance, turn-on-to turn on bias etc) IMU measurements mechanization question: attitude update equation, position update etc diff between classes and structures, mutex and semaphore, big endian and small endian etc.