Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
132 mi (212 km)
Bearing
99.2°
Terrain
BLOCKED
Propagation
76/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
159.0
dB
Gaseous (O₂+H₂O)
1.5
dB
Diffraction loss
120.4
dB
TOTAL PATH LOSS
280.9
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 12.0 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)
-280.9
dB
RX Ant Gain
30.0
dBi
RX Power
-202.9
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-62.9
dB
Path Weather Avg
Temperature
74.6°F
23.7°C
Dewpoint
57.9°F
14.4°C
T/Td Gap
16.7°F
Abs Humidity
12.0 g/m³
Pressure
963.2 mb
PWAT
25.6 mm
BL Depth
308.5 m
Refrac Gradient
-91.5 N/km
Propagation Factors · 10 GHz
Rain
100
Humidity
90
PWAT
90
Pressure
88
T-Td Depression
70
Refractivity
68
Season
68
Time of Day
55
Sky Cover
50
Wind
50
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 | 33.4, -98.9 | 26.2°C | 9.1°C | 963.2 mb | 281.6 m | 23.5 mm | 293.2 | -53.4 |
| 13% | 33.4, -98.6 | 25.2°C | 12.2°C | 964.5 mb | 330.7 m | 24.7 mm | 322.8 | -74.6 |
| 25% | 33.4, -98.3 | 22.8°C | 12.6°C | 972.5 mb | 309.9 m | 27.3 mm | 324.2 | -52.4 |
| 38% | 33.3, -98.0 | 22.6°C | 15.8°C | 971.7 mb | 327.1 m | 29.2 mm | 339.6 | -81.0 |
| Midpoint | 33.3, -97.7 | 22.4°C | 17.0°C | 979.0 mb | 342.1 m | 30.2 mm | 340.5 | -73.2 |
| 63% | 33.2, -97.5 | 22.4°C | 17.0°C | 977.7 mb | 301.3 m | 27.0 mm | 345.7 | -86.6 |
| 75% | 33.2, -97.2 | 23.7°C | 14.8°C | 985.8 mb | 338.3 m | 24.0 mm | 333.7 | -70.2 |
| 88% | 33.2, -96.9 | 23.5°C | 15.0°C | 988.3 mb | 279.1 m | 22.7 mm | 332.9 | -69.0 |
| 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 · 10 GHz
→ Steady
Best:
81
at 12:00 UTC
Worst:
67
at 20:00 UTC