Path Calculator

Analyze microwave propagation between two points

Link Summary · 10 GHz
Distance
153 mi (246 km)
Bearing
223.2°
Terrain
BLOCKED
Propagation
69/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space) 160.3 dB
Gaseous (O₂+H₂O) 1.7 dB
Diffraction loss 118.3 dB
TOTAL PATH LOSS 280.3 dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g · O₂: 0.0070 dB/km
Abs humidity avg: 7.4 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) -280.3 dB
RX Ant Gain 30.0 dBi
RX Power -202.3 dBm
Sensitivity (CW) -141.0 dBm
MARGIN -62.3 dB
Path Weather Avg
Temperature
80.9°F
27.1°C
Dewpoint
45.4°F
7.4°C
T/Td Gap
35.5°F
Abs Humidity
7.4 g/m³
Pressure
964.7 mb
PWAT
15.2 mm
BL Depth
2237.4 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, -94.8 24.2°C 10.2°C 964.7 mb 1597.9 m 13.8 mm
13% 34.5, -95.0 24.8°C 10.8°C 971.1 mb 1939.3 m 15.2 mm
25% 34.3, -95.3 25.9°C 9.2°C 979.9 mb 2233.7 m 15.3 mm
38% 34.1, -95.5 27.9°C 8.0°C 998.2 mb 2363.2 m 15.4 mm
Midpoint 33.9, -95.7 28.8°C 7.4°C 999.5 mb 2421.4 m 16.7 mm
63% 33.7, -95.9 28.2°C 7.4°C 995.6 mb 2386.7 m 16.4 mm
75% 33.5, -96.2 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
0 25 50 75 100 82 20:00 23:00 01:00 04:00 07:00 09:00 12:00
Best: 82 at 11:00 UTC Worst: 65 at 02:00 UTC