Results 111 to 120 of about 56,773 (213)

The effects of atmospheric refraction on the accuracy of laser ranging systems [PDF]

open access: yes
Correction formulas derived by Saastamoinen and Marini, and the ray traces through the refractivity profiles all assume a spherically symmetric refractivity profile.
Gardner, C. S.   +2 more
core   +1 more source

Nocturnal bird migration in opaque clouds [PDF]

open access: yes
The use of a tracking radar to measure the flight paths of migrating birds on nights with opaque clouds is discussed. The effects of wind and lack of visual references are examined.
Griffin, D. R.
core   +1 more source

Special observations [PDF]

open access: yes
The wind or temperature profiler is a new special observation device designed to supplement traditional atmospheric measurement and provide more accurate middle-range forecasts, including aviation and space applications. Radar is most useful in the short,
Beran, Donald
core   +1 more source

High resolution vertical profiles of wind, temperature and humidity obtained by computer processing and digital filtering of radiosonde and radar tracking data from the ITCZ experiment of 1977 [PDF]

open access: yes
Results are presented from computer processing and digital filtering of radiosonde and radar tracking data obtained during the ITCZ experiment when coordinated measurements were taken daily over a 16 day period across the Panama Canal Zone.
Danielson, E. F.   +2 more
core   +1 more source

Assessment of VAS soundings in the analysis of a preconvective environment [PDF]

open access: yes
Retrievals from the VISSR Atmospheric Sounder (VAS) are combined with conventional data to assess the impact of geosynchronous satellite soundings upon the analysis of a preconvective environment.
Chesters, D.   +3 more
core   +1 more source

Ground truth flight data missions 55 and 56. Site 56, Mt. Lassen, Site 19, Sonora Pass, Site 3, Mono Craters [PDF]

open access: yes
Radiosonde measurement of temperature and moisture content in infrared spectrometer ...
Brennan, P. A.   +3 more
core   +1 more source

Studies of atmospheric refraction effects on laser data [PDF]

open access: yes
The refraction effect from three perspectives was considered. An analysis of the axioms on which the accepted correction algorithms were based was the first priority. The integrity of the meteorological measurements on which the correction model is based
Dunn, P. J.   +2 more
core   +1 more source

Observations of frontal zone structures with a VHF Doppler radar and radiosondes, part 1.2A [PDF]

open access: yes
The SOUSY-VHF-Radar is a pulsed coherent radar operating at 53.5 MHz and located near Bad Lauterbert, West Germany. Since 1977, the facility, operated by the Max-Planck-Institut fur Aeronomie, has been used to make a series of frontal passage ...
Larsen, M. F., Rottger, J.
core   +1 more source

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