Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
72 mi (116 km)
Bearing
19.2°
Terrain
BLOCKED
Propagation
79/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
153.7
dB
Gaseous (O₂+H₂O)
0.8
dB
Diffraction loss
94.7
dB
TOTAL PATH LOSS
249.2
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 14.3 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)
-249.2
dB
RX Ant Gain
30.0
dBi
RX Power
-171.2
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-31.2
dB
Path Weather Avg
Temperature
71.6°F
22.0°C
Dewpoint
62.7°F
17.1°C
T/Td Gap
8.9°F
Abs Humidity
14.3 g/m³
Pressure
987.0 mb
PWAT
23.1 mm
BL Depth
228.5 m
Refrac Gradient
-133.8 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 | 32.1, -97.0 | 20.3°C | 17.3°C | 987.2 mb | 172.3 m | 21.2 mm | 347.4 | -121.2 |
| 13% | 32.3, -97.0 | 21.0°C | 17.1°C | 989.3 mb | 189.4 m | 21.7 mm | 346.5 | -127.9 |
| 25% | 32.4, -96.9 | 21.7°C | 16.9°C | 990.6 mb | 235.4 m | 23.4 mm | 344.6 | -133.8 |
| 38% | 32.5, -96.9 | 21.9°C | 16.7°C | 987.0 mb | 215.1 m | 23.3 mm | 344.6 | -101.8 |
| Midpoint | 32.6, -96.8 | 21.2°C | 17.1°C | 988.2 mb | 201.3 m | 23.9 mm | 344.2 | -92.1 |
| 63% | 32.7, -96.8 | 22.4°C | 17.6°C | 995.8 mb | 256.6 m | 24.8 mm | 345.3 | -103.8 |
| 75% | 32.9, -96.7 | 23.3°C | 17.1°C | 992.3 mb | 274.3 m | 24.2 mm | 344.2 | -101.9 |
| 88% | 33.0, -96.7 | 22.2°C | 17.8°C | 991.0 mb | 245.8 m | 23.3 mm | 346.6 | -90.0 |
| 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:
80
at 18:00 UTC
Worst:
73
at 20:00 UTC