approximate altitude

approximate altitude

[ə′präk·sə·mət ′al·tə·tüd]
(navigation)
Of a star, an altitude determined by estimation, by a star finder or star chart.
References in periodicals archive ?
In the range-only mode, the G7-BR2 gives the line-of-sight distance to the target, the approximate altitude, barometric pressure, temperature, and incline.
The aircraft would fly along the central axis on a north-westerly direction at an approximate altitude of 25,000 feet reciprocal from overhead Khajuraho and land back at Agra.
If the circle has radius r, what is the approximate altitude of this "triangle"?
In the new images, released last week by NASA's Jet Propulsion Laboratory in Pasadena, the water vapor is shown rising six miles above the surface of the ocean, reaching the approximate altitude of the jet stream.
The "LEOS" antenna is used for the VHF function in radio transmitters/receivers on the ground, to transmit/receive signals in the 145 MHz frequency range to Low Earth Orbit Satellites, orbiting the earth at an approximate altitude of 450 miles.
Air Force Thor boosters, the spacecraft flew at approximate altitudes of 100 nautical miles to take pictures of selected target areas.