Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
150 mi (242 km)
Bearing
94.9°
Terrain
BLOCKED
Propagation
76/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
160.1
dB
Gaseous (O₂+H₂O)
1.7
dB
Diffraction loss
125.4
dB
TOTAL PATH LOSS
287.2
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 12.3 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)
-287.2
dB
RX Ant Gain
30.0
dBi
RX Power
-209.2
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-69.2
dB
Path Weather Avg
Temperature
74.3°F
23.5°C
Dewpoint
58.7°F
14.8°C
T/Td Gap
15.5°F
Abs Humidity
12.3 g/m³
Pressure
956.9 mb
PWAT
26.4 mm
BL Depth
288.6 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 | 33.3, -99.2 | 25.0°C | 11.2°C | 956.9 mb | 161.1 m | 26.2 mm | 312.6 | -58.3 |
| 13% | 33.3, -98.9 | 25.7°C | 12.8°C | 965.8 mb | 304.7 m | 27.7 mm | 322.4 | -82.4 |
| 25% | 33.3, -98.6 | 23.6°C | 12.8°C | 963.4 mb | 350.6 m | 26.4 mm | 326.1 | -66.3 |
| 38% | 33.3, -98.2 | 23.4°C | 12.9°C | 970.4 mb | 316.6 m | 27.5 mm | 326.8 | -54.0 |
| Midpoint | 33.2, -97.9 | 22.9°C | 16.6°C | 978.8 mb | 351.3 m | 30.5 mm | 336.8 | -83.6 |
| 63% | 33.2, -97.6 | 21.8°C | 17.1°C | 977.7 mb | 314.6 m | 28.5 mm | 344.8 | -77.9 |
| 75% | 33.2, -97.3 | 21.3°C | 16.7°C | 983.4 mb | 259.1 m | 24.9 mm | 338.8 | -85.7 |
| 88% | 33.1, -96.9 | 23.5°C | 17.3°C | 990.4 mb | 272.6 m | 23.5 mm | 333.1 | -59.5 |
| 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 17:00 UTC
Worst:
66
at 22:00 UTC