NTMS
Weather Map
2026-06-20 08:00 UTC
08:04 UTC
Surface
Temperature
Td Depression
Humidity
PWAT
Refractivity
N-Gradient
BL Height
Upper Air
T @ 850mb
Td @ 850mb
T @ 700mb
Td @ 700mb
Lapse Rate
Mid Lapse 850-700
Inversion
Inv. Base
Ducting
Ducting
Duct Base
Duct Strength
Duct Cutoff Band
2m air temperature. Warm, humid air increases refractivity and ducting potential at lower frequencies.
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Weather radar
Propagation Map
Path Calculator
EME
Beacons
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Scoring Algorithm
About
NTMS
Weather Map
2026-06-20 08:00 UTC
08:04 UTC
Surface
Temperature
Td Depression
Humidity
PWAT
Refractivity
N-Gradient
BL Height
Upper Air
T @ 850mb
Td @ 850mb
T @ 700mb
Td @ 700mb
Lapse Rate
Mid Lapse 850-700
Inversion
Inv. Base
Ducting
Ducting
Duct Base
Duct Strength
Duct Cutoff Band
Surface · Temperature
2m air temperature. Warm, humid air increases refractivity and ducting potential at lower frequencies.
Grid squares
Weather radar
Propagation Map
Path Calculator
EME
Beacons
Submit a Contact
Contact Training Data
Contact Map
Scoring Algorithm
About
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