Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
158 mi (254 km)
Bearing
227.5°
Terrain
BLOCKED
Propagation
69/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
160.5
dB
Gaseous (O₂+H₂O)
1.8
dB
Diffraction loss
118.8
dB
TOTAL PATH LOSS
281.1
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 7.6 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)
-281.1
dB
RX Ant Gain
30.0
dBi
RX Power
-203.1
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-63.1
dB
Path Weather Avg
Temperature
80.7°F
27.1°C
Dewpoint
45.8°F
7.6°C
T/Td Gap
34.9°F
Abs Humidity
7.6 g/m³
Pressure
959.4 mb
PWAT
15.4 mm
BL Depth
2218.5 m
Refrac Gradient
0 N/km
Propagation Factors · 10 GHz
Rain
100
Pressure
88
Humidity
82
PWAT
75
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 | 34.7, -94.6 | 24.9°C | 11.0°C | 977.8 mb | 1621.3 m | 15.1 mm | ||
| 13% | 34.5, -94.9 | 22.7°C | 11.8°C | 959.4 mb | 1574.8 m | 14.1 mm | ||
| 25% | 34.3, -95.1 | 27.1°C | 9.2°C | 996.7 mb | 2328.6 m | 16.2 mm | ||
| 38% | 34.1, -95.4 | 27.4°C | 8.3°C | 996.2 mb | 2357.5 m | 15.6 mm | ||
| Midpoint | 33.9, -95.6 | 28.7°C | 7.3°C | 996.9 mb | 2504.0 m | 17.3 mm | ||
| 63% | 33.7, -95.9 | 28.2°C | 7.4°C | 995.6 mb | 2386.7 m | 16.4 mm | ||
| 75% | 33.5, -96.1 | 27.9°C | 5.6°C | 991.2 mb | 2381.4 m | 15.1 mm | ||
| 88% | 33.3, -96.4 | 28.4°C | 4.4°C | 992.2 mb | 2434.7 m | 15.3 mm | ||
| Destination | 33.1, -96.6 | 28.2°C | 3.9°C | 994.1 mb | 2377.9 m | 13.9 mm |
Midpoint vertical profile
17-Hour Propagation Forecast · 10 GHz
→ Steady
Best:
82
at 12:00 UTC
Worst:
65
at 02:00 UTC