Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
73 mi (118 km)
Bearing
304.3°
Terrain
BLOCKED
Propagation
79/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
153.9
dB
Gaseous (O₂+H₂O)
0.8
dB
Diffraction loss
94.3
dB
TOTAL PATH LOSS
249.0
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 14.4 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)
-249.0
dB
RX Ant Gain
30.0
dBi
RX Power
-171.0
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-31.0
dB
Path Weather Avg
Temperature
72.0°F
22.2°C
Dewpoint
63.0°F
17.2°C
T/Td Gap
9.0°F
Abs Humidity
14.4 g/m³
Pressure
987.4 mb
PWAT
20.7 mm
BL Depth
230.2 m
Refrac Gradient
-129.5 N/km
Propagation Factors · 10 GHz
Rain
100
Humidity
95
PWAT
90
T-Td Depression
85
Pressure
82
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 | 32.5, -95.6 | 21.0°C | 17.9°C | 994.4 mb | 195.4 m | 19.3 mm | 343.5 | -90.7 |
| 13% | 32.6, -95.7 | 21.6°C | 17.2°C | 995.9 mb | 213.6 m | 19.3 mm | 342.1 | -96.9 |
| 25% | 32.7, -95.8 | 22.2°C | 16.3°C | 992.7 mb | 212.3 m | 18.4 mm | 339.0 | -120.4 |
| 38% | 32.7, -96.0 | 22.5°C | 17.4°C | 994.8 mb | 236.8 m | 19.5 mm | 344.6 | -124.1 |
| Midpoint | 32.8, -96.1 | 22.1°C | 17.3°C | 994.0 mb | 246.3 m | 20.9 mm | 342.5 | -129.5 |
| 63% | 32.9, -96.2 | 23.4°C | 17.1°C | 993.0 mb | 244.9 m | 21.5 mm | 345.4 | -103.1 |
| 75% | 33.0, -96.4 | 21.4°C | 17.6°C | 989.8 mb | 223.7 m | 22.3 mm | 344.1 | -103.8 |
| 88% | 33.0, -96.5 | 21.7°C | 18.0°C | 992.9 mb | 231.8 m | 23.0 mm | 346.1 | -100.3 |
| 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:
84
at 09:00 UTC
Worst:
68
at 00:00 UTC