Fysik og astronomi
Ghana
100%
water vapor
40%
products
34%
water
30%
stations
26%
meteorological parameters
22%
troposphere
18%
zenith
16%
correlation coefficients
14%
positioning
13%
installing
12%
computer programs
9%
Geo- og miljøvidenskab
precipitable water
66%
GPS
43%
water vapor
34%
product
26%
comparison
22%
station
15%
meteorological parameter
14%
positioning
12%
troposphere
12%
software
8%
monitoring
7%
Teknik og materialevidenskab
Global positioning system
46%
Water vapor
45%
Satellites
41%
Water
29%
Base stations
23%
Troposphere
21%
Signal systems
16%
Monitoring
7%
Matematik
Water Vapor
67%
Water
54%
Integrated System
21%
Positioning
18%
Correlation coefficient
14%
Monitoring
13%
Coverage
13%
Software
12%