Path Calculator

Analyze microwave propagation between two points

Link Summary · 24 GHz
Distance
38 mi (61 km)
Bearing
280.6°
Terrain
BLOCKED
Propagation
62/100
MARGINAL
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space) 155.7 dB
Gaseous (O₂+H₂O) 3.0 dB
Diffraction loss 82.6 dB
TOTAL PATH LOSS 241.3 dB
Gas rate: 0.0497 dB/km
H₂O: 0.0020 dB/km/g · O₂: 0.0200 dB/km
Abs humidity avg: 14.8 g/m³
Power Budget
TX Power 20.0 dBm (100.0 mW)
TX Ant Gain 30.0 dBi
Feed Loss (×2) -2.0 dB
EIRP 48.0 dBm
Path Loss (w/FF) -241.3 dB
RX Ant Gain 30.0 dBi
RX Power -163.3 dBm
Sensitivity (CW) -141.0 dBm
MARGIN -23.3 dB
Path Weather Avg
Temperature
72.1°F
22.3°C
Dewpoint
63.8°F
17.6°C
T/Td Gap
8.3°F
Abs Humidity
14.8 g/m³
Pressure
987.4 mb
PWAT
22.1 mm
BL Depth
242.8 m
Refrac Gradient
-132.3 N/km
Propagation Factors · 24 GHz
Rain 100
Pressure 82
Refractivity 72
T-Td Depression 60
PWAT 60
Time of Day 55
Sky Cover 50
Wind 50
Season 47
Humidity 0

Atmospheric Profile

HRRR (3 km) Valid 2026-05-15 08:00 UTC 9 path samples
Point Lat, Lon Temp Dewpt Press HPBL PWAT Ns dN/dh
Source 33.0, -96.0 22.7°C 18.1°C 994.5 mb 266.4 m 22.0 mm 347.8 -109.8
13% 33.0, -96.1 22.7°C 18.1°C 994.5 mb 266.4 m 22.0 mm 347.8 -109.8
25% 33.0, -96.1 22.0°C 17.8°C 994.0 mb 246.9 m 21.8 mm 345.4 -113.6
38% 33.1, -96.2 22.5°C 17.5°C 992.4 mb 239.3 m 21.8 mm 345.7 -132.3
Midpoint 33.1, -96.3 21.0°C 18.3°C 990.2 mb 224.1 m 22.2 mm 346.4 -110.2
63% 33.1, -96.4 21.0°C 17.9°C 990.6 mb 216.4 m 21.5 mm 344.4 -119.7
75% 33.1, -96.5 22.2°C 17.6°C 991.0 mb 229.6 m 22.7 mm 345.9 -120.9
88% 33.1, -96.5 22.2°C 17.6°C 991.0 mb 229.6 m 22.7 mm 345.9 -120.9
Destination 33.1, -96.6 24.1°C 16.0°C 987.4 mb 266.6 m 22.0 mm 339.6 -91.5
Midpoint vertical profile
18-Hour Propagation Forecast · 24 GHz
→ Steady
0 25 50 75 100 63 08:00 11:00 14:00 17:00 19:00 22:00 01:00
Best: 63 at 08:00 UTC Worst: 54 at 00:00 UTC