The word goniometry is derived from Greek: gonia = angle and metron = measure. A goniometer is a device used to measure angles. Signal lights are usually measured using a Type 1 goniometer.
A Type 1 Goniometer and its coordinate system
The word goniometry is derived from Greek: gonia = angle and metron = measure. A goniometer is a device used to measure angles. Signal lights are usually measured using a Type 1 goniometer.
A Type 1 Goniometer and its coordinate system
