Assessment of tropospheric delay mapping function models in Egypt: Using PTD database model
MA Abdelfatah, AE Mousa… - NRIAG Journal of …, 2018 - Taylor & Francis
For space geodetic measurements, estimates of tropospheric delays are highly correlated
with site coordinates and receiver clock biases. Thus, it is important to use the most accurate …
with site coordinates and receiver clock biases. Thus, it is important to use the most accurate …
[PDF][PDF] A proposed local dry zenith delay model for GPS measurements in Egypt, as derived from surface pressure data
The principal limiting error in modern space geodesy techniques is the mismodeling of the
atmospheric delay. This delay, usually separated and referred as hydrostatic (dry) and wet …
atmospheric delay. This delay, usually separated and referred as hydrostatic (dry) and wet …
Temporal and spatial variation of the zenith tropospheric delay: case study of egyptian territory
AEK Mousa - Journal of King Abdulaziz University: Marine …, 2012 - platform.almanhal.com
Space geodesy techniques can determine baseline lengths up to 1000km with accuracy
better than 10-8. However, mismodeling of the tropospheric delay experienced through the …
better than 10-8. However, mismodeling of the tropospheric delay experienced through the …
[PDF][PDF] Comparison of Precipitable Water Vapor from GPS and WRF model: A Case Study for Two different Egyptian Sites
ABSTRACT Precipitable Water Vapor (PWV) is an essential factor for weather prediction and
climate research due to its influence on delaying radio signals that, in turn, affects the …
climate research due to its influence on delaying radio signals that, in turn, affects the …
Gradients of water vapor distribution in the troposphere observed with water vapor radiometers in Uji, southwest Japan
田中寅夫， 細善信， 原田昌武， 林泰一， モウサアシュラフ… - 測地学会誌, 2004 - jlc.jst.go.jp
Spatial gradients of water vapor distribution in the troposphere cause positioning errors on
GPS measurements. If a gradient of water vapor distribution stands for a few days or longer …
GPS measurements. If a gradient of water vapor distribution stands for a few days or longer …
Tropospheric Wet Delay of Microwaves at Shionomisaki, Southwest Japan, and a Preliminary Evaluation of Mapping Functions.
ムサアシュラフ， 田中寅夫 - 測地学会誌, 1997 - jlc.jst.go.jp
Based on the analysis of water vapor radiometer data taken at Shionomisaki, daily
fluctuation and azimuthal non uniformity of tropospheric wet delay are investigated. It is …
fluctuation and azimuthal non uniformity of tropospheric wet delay are investigated. It is …
Correlation Analyses of Horizontal Gradients of Atmospheric Wet Delay versus Wind Direction and Velocity
T Tanaka - Dynamic Planet: Monitoring and Understanding a …, 2007 - Springer
Total water vapor contents were monitored along lines of sight at such low elevation angles
as 10 and 15 degrees with two water vapor radiometers, WVR1100™, WVR05 and 06. They …
as 10 and 15 degrees with two water vapor radiometers, WVR1100™, WVR05 and 06. They …
[PDF][PDF] Effect of tropospheric delay estimation on GPS baseline accuracy: an application to a network along the Gulf of Suez, Egypt.
GPS is one of the most important innovations of the last century in the field of surveying and
navigation. GPS observations produce very precise surveying results. The presence of water …
navigation. GPS observations produce very precise surveying results. The presence of water …
[引用][C] On the zenith hydrostatic delay for GPS measurements in Egypt: Assessments of available prediction models.
E Mousa - Alexandria Engineering Journal, 2002
[引用][C] On the zenith hydrostatic delay for GPS measurements in Egypt: a proposed local model.
AE Mousa, GS El-Fiky, HG El-Ghazouly - Alexandria Engineering Journal, 2002