Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
56 mi (90 km)
Bearing
115.3°
Terrain
BLOCKED
Propagation
67/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
151.6
dB
Gaseous (O₂+H₂O)
0.6
dB
Diffraction loss
87.9
dB
TOTAL PATH LOSS
240.1
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 7.0 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)
-240.1
dB
RX Ant Gain
30.0
dBi
RX Power
-162.1
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-22.1
dB
Path Weather Avg
Temperature
80.6°F
27.0°C
Dewpoint
43.6°F
6.5°C
T/Td Gap
37.0°F
Abs Humidity
7.0 g/m³
Pressure
983.5 mb
PWAT
14.0 mm
BL Depth
2232.2 m
Refrac Gradient
0 N/km
Propagation Factors · 10 GHz
Rain
100
Pressure
82
PWAT
75
Humidity
70
Season
68
T-Td Depression
55
Refractivity
50
Sky Cover
50
Wind
50
Time of Day
18
Atmospheric Profile
HRRR (3 km) Valid 2026-05-03 20:00 UTC 9 path samples| Point | Lat, Lon | Temp | Dewpt | Press | HPBL | PWAT | Ns | dN/dh |
|---|---|---|---|---|---|---|---|---|
| Source | 33.5, -97.3 | 25.7°C | 8.6°C | 983.5 mb | 2069.5 m | 13.7 mm | ||
| 13% | 33.5, -97.2 | 26.4°C | 8.3°C | 986.2 mb | 2113.6 m | 14.2 mm | ||
| 25% | 33.5, -97.1 | 27.1°C | 7.9°C | 992.6 mb | 2235.0 m | 14.7 mm | ||
| 38% | 33.4, -97.0 | 26.8°C | 7.2°C | 992.2 mb | 2249.6 m | 14.1 mm | ||
| Midpoint | 33.4, -96.9 | 27.6°C | 5.9°C | 993.6 mb | 2289.9 m | 14.3 mm | ||
| 63% | 33.3, -96.8 | 26.7°C | 6.0°C | 990.1 mb | 2235.9 m | 13.8 mm | ||
| 75% | 33.3, -96.7 | 27.6°C | 4.7°C | 994.3 mb | 2315.0 m | 13.5 mm | ||
| 88% | 33.2, -96.6 | 27.6°C | 4.8°C | 995.4 mb | 2290.7 m | 13.7 mm | ||
| Destination | 33.2, -96.5 | 27.6°C | 4.8°C | 995.4 mb | 2290.7 m | 13.7 mm |
Midpoint vertical profile
18-Hour Propagation Forecast · 10 GHz
→ Steady
Best:
84
at 11:00 UTC
Worst:
73
at 20:00 UTC