Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
151 mi (243 km)
Bearing
104.8°
Terrain
BLOCKED
Propagation
76/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
160.2
dB
Gaseous (O₂+H₂O)
1.7
dB
Diffraction loss
127.1
dB
TOTAL PATH LOSS
289.0
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 11.9 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)
-289.0
dB
RX Ant Gain
30.0
dBi
RX Power
-211.0
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-71.0
dB
Path Weather Avg
Temperature
74.6°F
23.6°C
Dewpoint
57.6°F
14.2°C
T/Td Gap
16.9°F
Abs Humidity
11.9 g/m³
Pressure
966.4 mb
PWAT
25.1 mm
BL Depth
308.7 m
Refrac Gradient
-96.1 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 | 33.7, -99.1 | 26.3°C | 9.8°C | 966.4 mb | 288.8 m | 25.2 mm | 303.6 | -56.0 |
| 13% | 33.6, -98.8 | 24.2°C | 12.0°C | 969.0 mb | 290.9 m | 23.5 mm | 312.9 | -90.1 |
| 25% | 33.6, -98.5 | 24.9°C | 12.1°C | 967.3 mb | 325.8 m | 23.3 mm | 322.7 | -86.7 |
| 38% | 33.5, -98.2 | 23.0°C | 12.1°C | 969.5 mb | 315.4 m | 25.3 mm | 323.2 | -53.9 |
| Midpoint | 33.4, -97.9 | 22.9°C | 16.6°C | 972.5 mb | 332.9 m | 30.2 mm | 343.1 | -88.0 |
| 63% | 33.3, -97.6 | 21.4°C | 17.7°C | 978.1 mb | 320.1 m | 27.9 mm | 347.5 | -84.6 |
| 75% | 33.3, -97.2 | 22.0°C | 17.0°C | 984.4 mb | 313.6 m | 25.7 mm | 342.4 | -96.1 |
| 88% | 33.2, -96.9 | 24.1°C | 14.8°C | 988.5 mb | 323.9 m | 23.2 mm | 332.2 | -59.0 |
| 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:
78
at 12:00 UTC
Worst:
64
at 20:00 UTC