Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
91 mi (146 km)
Bearing
96.3°
Terrain
BLOCKED
Propagation
79/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
155.7
dB
Gaseous (O₂+H₂O)
1.0
dB
Diffraction loss
109.1
dB
TOTAL PATH LOSS
265.9
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 13.5 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)
-265.9
dB
RX Ant Gain
30.0
dBi
RX Power
-187.9
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-47.9
dB
Path Weather Avg
Temperature
72.8°F
22.7°C
Dewpoint
61.2°F
16.2°C
T/Td Gap
11.6°F
Abs Humidity
13.5 g/m³
Pressure
973.5 mb
PWAT
26.3 mm
BL Depth
290.0 m
Refrac Gradient
-111.8 N/km
Propagation Factors · 10 GHz
Rain
100
Humidity
90
PWAT
90
Pressure
88
T-Td Depression
85
Refractivity
82
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 | 33.3, -98.2 | 22.8°C | 14.0°C | 973.5 mb | 259.2 m | 29.0 mm | 330.6 | -70.3 |
| 13% | 33.3, -98.0 | 23.0°C | 15.0°C | 975.1 mb | 296.4 m | 29.4 mm | 334.4 | -86.9 |
| 25% | 33.2, -97.8 | 22.4°C | 17.0°C | 979.0 mb | 342.1 m | 30.2 mm | 340.5 | -73.2 |
| 38% | 33.2, -97.6 | 21.8°C | 17.1°C | 977.7 mb | 314.6 m | 28.5 mm | 344.8 | -77.9 |
| Midpoint | 33.2, -97.4 | 21.6°C | 18.0°C | 980.7 mb | 315.8 m | 27.0 mm | 349.5 | -111.8 |
| 63% | 33.2, -97.2 | 21.3°C | 16.7°C | 983.4 mb | 259.1 m | 24.9 mm | 338.8 | -85.7 |
| 75% | 33.2, -97.0 | 23.5°C | 17.3°C | 990.4 mb | 272.6 m | 23.5 mm | 333.1 | -59.5 |
| 88% | 33.1, -96.8 | 23.6°C | 14.9°C | 985.3 mb | 283.7 m | 22.0 mm | 333.0 | -68.1 |
| 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:
85
at 16:00 UTC
Worst:
71
at 22:00 UTC