Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
159 mi (256 km)
Bearing
102.2°
Terrain
BLOCKED
Propagation
68/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
160.6
dB
Gaseous (O₂+H₂O)
1.8
dB
Diffraction loss
128.4
dB
TOTAL PATH LOSS
290.8
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 6.6 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)
-290.8
dB
RX Ant Gain
30.0
dBi
RX Power
-212.8
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-72.8
dB
Path Weather Avg
Temperature
80.7°F
27.1°C
Dewpoint
42.0°F
5.6°C
T/Td Gap
38.7°F
Abs Humidity
6.6 g/m³
Pressure
975.6 mb
PWAT
12.9 mm
BL Depth
2297.8 m
Refrac Gradient
0 N/km
Propagation Factors · 10 GHz
Rain
100
Pressure
88
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 | 33.7, -99.1 | 27.7°C | 4.3°C | 975.6 mb | 2368.5 m | 12.4 mm | ||
| 13% | 33.6, -98.8 | 27.3°C | 5.2°C | 977.2 mb | 2293.4 m | 12.7 mm | ||
| 25% | 33.6, -98.5 | 27.4°C | 4.7°C | 979.4 mb | 2289.4 m | 12.2 mm | ||
| 38% | 33.5, -98.1 | 26.9°C | 4.2°C | 977.4 mb | 2296.8 m | 11.4 mm | ||
| Midpoint | 33.4, -97.8 | 26.3°C | 5.4°C | 979.5 mb | 2258.2 m | 11.7 mm | ||
| 63% | 33.4, -97.5 | 24.9°C | 9.3°C | 985.6 mb | 2215.8 m | 14.1 mm | ||
| 75% | 33.3, -97.1 | 27.3°C | 8.1°C | 993.0 mb | 2239.7 m | 13.9 mm | ||
| 88% | 33.3, -96.8 | 28.1°C | 4.7°C | 992.1 mb | 2338.5 m | 14.1 mm | ||
| Destination | 33.2, -96.5 | 27.8°C | 4.1°C | 995.4 mb | 2379.9 m | 13.3 mm |
Midpoint vertical profile
17-Hour Propagation Forecast · 10 GHz
→ Steady
Best:
83
at 05:00 UTC
Worst:
72
at 01:00 UTC