Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
110 mi (176 km)
Bearing
49.6°
Terrain
BLOCKED
Propagation
68/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
157.4
dB
Gaseous (O₂+H₂O)
1.2
dB
Diffraction loss
109.0
dB
TOTAL PATH LOSS
267.6
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 6.9 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)
-267.6
dB
RX Ant Gain
30.0
dBi
RX Power
-189.6
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-49.6
dB
Path Weather Avg
Temperature
80.9°F
27.2°C
Dewpoint
43.5°F
6.4°C
T/Td Gap
37.4°F
Abs Humidity
6.9 g/m³
Pressure
978.7 mb
PWAT
14.8 mm
BL Depth
2301.1 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 | 32.2, -97.9 | 25.2°C | 7.2°C | 978.7 mb | 2024.2 m | 13.8 mm | ||
| 13% | 32.3, -97.7 | 27.2°C | 5.9°C | 991.4 mb | 2258.3 m | 14.0 mm | ||
| 25% | 32.4, -97.5 | 26.6°C | 6.7°C | 986.1 mb | 2276.9 m | 14.0 mm | ||
| 38% | 32.6, -97.4 | 27.1°C | 6.2°C | 987.4 mb | 2337.1 m | 14.3 mm | ||
| Midpoint | 32.7, -97.2 | 27.5°C | 6.6°C | 994.4 mb | 2387.0 m | 14.7 mm | ||
| 63% | 32.8, -97.0 | 28.1°C | 6.2°C | 1000.4 mb | 2428.7 m | 14.5 mm | ||
| 75% | 32.9, -96.8 | 28.3°C | 5.8°C | 999.3 mb | 2376.2 m | 16.3 mm | ||
| 88% | 33.1, -96.6 | 27.1°C | 8.3°C | 997.4 mb | 2330.8 m | 17.7 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:
82
at 06:00 UTC
Worst:
66
at 01:00 UTC