Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
106 mi (170 km)
Bearing
129.0°
Terrain
BLOCKED
Propagation
78/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
157.1
dB
Gaseous (O₂+H₂O)
1.2
dB
Diffraction loss
116.5
dB
TOTAL PATH LOSS
274.8
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 13.3 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)
-274.8
dB
RX Ant Gain
30.0
dBi
RX Power
-196.8
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-56.8
dB
Path Weather Avg
Temperature
73.8°F
23.2°C
Dewpoint
60.7°F
16.0°C
T/Td Gap
13.1°F
Abs Humidity
13.3 g/m³
Pressure
974.1 mb
PWAT
26.2 mm
BL Depth
304.3 m
Refrac Gradient
-96.0 N/km
Propagation Factors · 10 GHz
Rain
100
Humidity
90
PWAT
90
Pressure
88
T-Td Depression
85
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 | 34.1, -98.0 | 23.6°C | 13.3°C | 976.5 mb | 307.6 m | 26.3 mm | 327.9 | -93.2 |
| 13% | 34.0, -97.9 | 22.4°C | 15.8°C | 976.1 mb | 307.7 m | 27.9 mm | 338.2 | -96.0 |
| 25% | 33.8, -97.7 | 23.3°C | 17.0°C | 976.6 mb | 312.9 m | 29.4 mm | 346.9 | -92.6 |
| 38% | 33.7, -97.5 | 23.2°C | 16.5°C | 975.0 mb | 307.8 m | 29.0 mm | 345.2 | -94.3 |
| Midpoint | 33.6, -97.3 | 22.7°C | 17.4°C | 974.1 mb | 331.8 m | 28.3 mm | 351.0 | -95.8 |
| 63% | 33.5, -97.1 | 23.0°C | 17.1°C | 985.5 mb | 349.0 m | 26.9 mm | 345.6 | -82.0 |
| 75% | 33.4, -97.0 | 22.5°C | 15.6°C | 985.0 mb | 272.8 m | 23.9 mm | 334.4 | -83.2 |
| 88% | 33.2, -96.8 | 24.1°C | 14.8°C | 985.1 mb | 282.1 m | 21.9 mm | 332.4 | -64.2 |
| 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:
82
at 13:00 UTC
Worst:
64
at 22:00 UTC