Hover or tap underlined Spanish terms to see their translation and exam tip.
¿Qué es un dátum en el contexto de GNSS?What is a datum in the GNSS context?
Show the answer
Correct answer: b) A reference system for geographic coordinates.
Why it is correct
A datum defines the Earth model the coordinates use, such as WGS84. GPS and chart must use the same datum.
Why the others are not
- a) Not a measure.
- c) Not a chart.
- d) Not a signal.
How to work it out in the exam
- Datum: same on GPS and chart.
Where this question comes from
- Ministerio de Transportes (Madrid) · 2024 · Convocatoria de noviembre · PY Test 1 · question 30 Official paper · Official answer key
- Ministerio de Transportes (Madrid) · 2024 · Convocatoria de noviembre · PY Test 2 · question 30 Official paper · Official answer key
Try it: Navigation instruments
Pending instructor review. Machine translation, not reviewed.