Question

Fill in the blanks- I)an instrument that measured the height above ground_______

Answer 1

Answer:

aviation, atmospheric sciences and broadcasting, a height above ground level (AGL[1]) is a height measured with respect to the underlying ground surface. This is as opposed to altitude/elevation above mean sea level (AMSL), or (in broadcast engineering) height above average terrain (HAAT). In other words, these expressions (AGL, AMSL, HAAT) indicate where the "zero level" or "reference altitude" is located.

Answer 2

Answer:

Hypsometer ........................