Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
167 mi (268 km)
Bearing
230.0°
Terrain
BLOCKED
Propagation
69/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
161.0
dB
Gaseous (O₂+H₂O)
1.9
dB
Diffraction loss
121.7
dB
TOTAL PATH LOSS
284.6
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 7.5 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)
-284.6
dB
RX Ant Gain
30.0
dBi
RX Power
-206.6
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-66.6
dB
Path Weather Avg
Temperature
80.9°F
27.2°C
Dewpoint
45.5°F
7.5°C
T/Td Gap
35.5°F
Abs Humidity
7.5 g/m³
Pressure
979.5 mb
PWAT
15.5 mm
BL Depth
2233.4 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, -94.4 | 25.2°C | 10.3°C | 979.5 mb | 1689.5 m | 15.6 mm | ||
| 13% | 34.5, -94.7 | 24.7°C | 11.7°C | 985.4 mb | 1702.5 m | 15.7 mm | ||
| 25% | 34.3, -95.0 | 25.8°C | 10.1°C | 989.4 mb | 2239.0 m | 15.6 mm | ||
| 38% | 34.1, -95.2 | 27.5°C | 7.8°C | 992.8 mb | 2329.7 m | 15.1 mm | ||
| Midpoint | 33.9, -95.5 | 29.0°C | 7.2°C | 1000.0 mb | 2608.1 m | 17.9 mm | ||
| 63% | 33.7, -95.8 | 27.9°C | 6.3°C | 995.7 mb | 2337.8 m | 15.3 mm | ||
| 75% | 33.5, -96.1 | 27.9°C | 5.6°C | 991.2 mb | 2381.4 m | 15.1 mm | ||
| 88% | 33.3, -96.3 | 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:
83
at 12:00 UTC
Worst:
65
at 02:00 UTC