Path Calculator

Analyze microwave propagation between two points

Link Summary · 24 GHz
Distance
110 mi (178 km)
Bearing
124.0°
Terrain
BLOCKED
Propagation
70/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space) 165.0 dB
Gaseous (O₂+H₂O) 6.0 dB
Diffraction loss 129.0 dB
TOTAL PATH LOSS 300.0 dB
Gas rate: 0.0335 dB/km
H₂O: 0.0020 dB/km/g · O₂: 0.0200 dB/km
Abs humidity avg: 6.8 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) -300.0 dB
RX Ant Gain 30.0 dBi
RX Power -222.0 dBm
Sensitivity (CW) -141.0 dBm
MARGIN -82.0 dB
Path Weather Avg
Temperature
81.3°F
27.4°C
Dewpoint
42.8°F
6.0°C
T/Td Gap
38.5°F
Abs Humidity
6.8 g/m³
Pressure
982.4 mb
PWAT
13.4 mm
BL Depth
2284.9 m
Refrac Gradient
0 N/km
Propagation Factors · 24 GHz
Rain 100
T-Td Depression 96
Pressure 82
PWAT 80
Humidity 61
Refractivity 50
Sky Cover 50
Wind 50
Season 47
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 34.1, -98.0 28.1°C 4.3°C 983.9 mb 2357.3 m 11.9 mm
13% 34.0, -97.8 27.2°C 6.1°C 983.6 mb 2278.9 m 12.2 mm
25% 33.9, -97.6 27.5°C 6.5°C 984.0 mb 2379.7 m 14.4 mm
38% 33.8, -97.4 26.5°C 8.4°C 982.4 mb 2170.7 m 15.4 mm
Midpoint 33.6, -97.2 26.7°C 6.9°C 987.3 mb 2092.0 m 12.2 mm
63% 33.5, -97.0 27.3°C 7.2°C 991.7 mb 2234.2 m 13.6 mm
75% 33.4, -96.8 27.6°C 5.2°C 993.6 mb 2274.0 m 12.7 mm
88% 33.3, -96.6 27.8°C 5.4°C 994.2 mb 2397.3 m 14.6 mm
Destination 33.2, -96.5 27.8°C 4.1°C 995.4 mb 2379.9 m 13.3 mm
Midpoint vertical profile
17-Hour Propagation Forecast · 24 GHz
→ Steady
0 25 50 75 100 75 20:00 23:00 01:00 04:00 07:00 09:00 12:00
Best: 75 at 03:00 UTC Worst: 66 at 12:00 UTC