Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
163 mi (263 km)
Bearing
79.1°
Terrain
BLOCKED
Propagation
71/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
168.4
dB
Gaseous (O₂+H₂O)
8.8
dB
Diffraction loss
140.5
dB
TOTAL PATH LOSS
317.8
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)
-317.8
dB
RX Ant Gain
30.0
dBi
RX Power
-239.8
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-99.8
dB
Path Weather Avg
Temperature
79.8°F
26.6°C
Dewpoint
42.9°F
6.1°C
T/Td Gap
36.9°F
Abs Humidity
6.8 g/m³
Pressure
957.2 mb
PWAT
13.6 mm
BL Depth
2283.8 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 | 32.7, -99.4 | 25.1°C | 6.2°C | 957.2 mb | 1983.9 m | 12.8 mm | ||
| 13% | 32.8, -99.0 | 27.1°C | 4.5°C | 974.0 mb | 2228.0 m | 12.7 mm | ||
| 25% | 32.8, -98.7 | 26.6°C | 4.9°C | 972.4 mb | 2244.0 m | 12.6 mm | ||
| 38% | 32.9, -98.3 | 27.4°C | 4.7°C | 978.1 mb | 2385.8 m | 13.4 mm | ||
| Midpoint | 32.9, -98.0 | 27.3°C | 5.4°C | 980.4 mb | 2353.2 m | 14.1 mm | ||
| 63% | 33.0, -97.7 | 26.8°C | 5.6°C | 985.8 mb | 2378.7 m | 14.4 mm | ||
| 75% | 33.0, -97.3 | 25.9°C | 8.9°C | 993.3 mb | 2257.3 m | 13.6 mm | ||
| 88% | 33.1, -97.0 | 24.4°C | 10.4°C | 997.5 mb | 2345.3 m | 15.1 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:
76
at 21:00 UTC
Worst:
64
at 11:00 UTC