Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
103 mi (166 km)
Bearing
111.3°
Terrain
BLOCKED
Propagation
71/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
164.4
dB
Gaseous (O₂+H₂O)
5.6
dB
Diffraction loss
126.5
dB
TOTAL PATH LOSS
296.5
dB
Gas rate: 0.0336 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)
-296.5
dB
RX Ant Gain
30.0
dBi
RX Power
-218.5
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-78.5
dB
Path Weather Avg
Temperature
80.2°F
26.8°C
Dewpoint
42.9°F
6.0°C
T/Td Gap
37.3°F
Abs Humidity
6.8 g/m³
Pressure
976.9 mb
PWAT
13.3 mm
BL Depth
2240.0 m
Refrac Gradient
0 N/km
Propagation Factors · 24 GHz
Rain
100
T-Td Depression
96
Pressure
88
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 | 33.7, -98.1 | 27.2°C | 4.5°C | 982.8 mb | 2334.2 m | 12.2 mm | ||
| 13% | 33.7, -97.9 | 26.4°C | 5.1°C | 979.0 mb | 2249.9 m | 12.3 mm | ||
| 25% | 33.6, -97.7 | 25.6°C | 6.7°C | 976.9 mb | 2274.3 m | 13.2 mm | ||
| 38% | 33.5, -97.5 | 25.4°C | 7.3°C | 982.6 mb | 2056.9 m | 12.5 mm | ||
| Midpoint | 33.5, -97.3 | 26.4°C | 8.3°C | 986.2 mb | 2113.6 m | 14.2 mm | ||
| 63% | 33.4, -97.1 | 27.3°C | 7.0°C | 993.0 mb | 2235.5 m | 14.1 mm | ||
| 75% | 33.3, -96.9 | 27.6°C | 5.9°C | 993.6 mb | 2289.9 m | 14.3 mm | ||
| 88% | 33.3, -96.7 | 27.6°C | 4.7°C | 994.3 mb | 2315.0 m | 13.5 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 · 24 GHz
→ Steady
Best:
75
at 03:00 UTC
Worst:
62
at 13:00 UTC