- survey instrument azimuth gyro, light-weight
- Military: SIAGL
Универсальный русско-английский словарь. Академик.ру. 2011.
Универсальный русско-английский словарь. Академик.ру. 2011.
Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass … Wikipedia
Weather radar — in Norman, Oklahoma with rainshaft … Wikipedia