Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
221 mi (355 km)
Bearing
231.1°
Terrain
BLOCKED
Propagation
69/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
163.5
dB
Gaseous (O₂+H₂O)
2.5
dB
Diffraction loss
136.8
dB
TOTAL PATH LOSS
302.7
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 7.8 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)
-302.7
dB
RX Ant Gain
30.0
dBi
RX Power
-224.7
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-84.7
dB
Path Weather Avg
Temperature
80.2°F
26.8°C
Dewpoint
46.4°F
8.0°C
T/Td Gap
33.8°F
Abs Humidity
7.8 g/m³
Pressure
976.1 mb
PWAT
15.6 mm
BL Depth
2147.5 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 | 35.2, -93.6 | 26.6°C | 9.4°C | 999.2 mb | 2119.4 m | 16.9 mm | ||
| 13% | 34.9, -94.0 | 24.8°C | 10.0°C | 980.7 mb | 1872.5 m | 15.7 mm | ||
| 25% | 34.7, -94.4 | 24.1°C | 11.4°C | 976.1 mb | 1426.3 m | 15.1 mm | ||
| 38% | 34.4, -94.8 | 24.8°C | 11.2°C | 985.5 mb | 1760.2 m | 14.7 mm | ||
| Midpoint | 34.1, -95.1 | 27.7°C | 8.0°C | 997.6 mb | 2338.8 m | 15.1 mm | ||
| 63% | 33.9, -95.5 | 29.0°C | 7.2°C | 1000.0 mb | 2608.1 m | 17.9 mm | ||
| 75% | 33.6, -95.9 | 27.4°C | 6.2°C | 994.4 mb | 2332.2 m | 14.9 mm | ||
| 88% | 33.4, -96.2 | 28.4°C | 4.9°C | 991.2 mb | 2492.0 m | 16.1 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 11:00 UTC
Worst:
69
at 03:00 UTC