Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
151 mi (243 km)
Bearing
104.8°
Terrain
BLOCKED
Propagation
71/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
167.8
dB
Gaseous (O₂+H₂O)
8.1
dB
Diffraction loss
138.7
dB
TOTAL PATH LOSS
314.5
dB
Gas rate: 0.0332 dB/km
H₂O: 0.0020 dB/km/g ·
O₂: 0.0200 dB/km
Abs humidity avg: 6.6 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)
-314.5
dB
RX Ant Gain
30.0
dBi
RX Power
-236.5
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-96.5
dB
Path Weather Avg
Temperature
80.8°F
27.1°C
Dewpoint
42.2°F
5.7°C
T/Td Gap
38.6°F
Abs Humidity
6.6 g/m³
Pressure
975.5 mb
PWAT
13.1 mm
BL Depth
2289.2 m
Refrac Gradient
0 N/km
Propagation Factors · 24 GHz
Rain
100
T-Td Depression
96
Pressure
88
PWAT
80
Humidity
63
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, -99.1 | 27.7°C | 4.3°C | 975.6 mb | 2368.5 m | 12.4 mm | ||
| 13% | 33.6, -98.8 | 27.9°C | 4.6°C | 978.2 mb | 2300.5 m | 12.4 mm | ||
| 25% | 33.6, -98.5 | 27.8°C | 4.5°C | 975.5 mb | 2275.3 m | 12.8 mm | ||
| 38% | 33.5, -98.2 | 27.3°C | 3.0°C | 977.1 mb | 2284.3 m | 10.7 mm | ||
| Midpoint | 33.4, -97.9 | 26.5°C | 5.2°C | 979.8 mb | 2261.7 m | 11.8 mm | ||
| 63% | 33.3, -97.6 | 24.9°C | 9.3°C | 985.6 mb | 2215.8 m | 14.1 mm | ||
| 75% | 33.3, -97.2 | 26.2°C | 9.6°C | 992.0 mb | 2131.5 m | 14.8 mm | ||
| 88% | 33.2, -96.9 | 27.8°C | 6.5°C | 995.5 mb | 2387.5 m | 15.4 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 · 24 GHz
→ Steady
Best:
77
at 03:00 UTC
Worst:
66
at 12:00 UTC