Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
47 mi (76 km)
Bearing
123.1°
Terrain
BLOCKED
Propagation
70/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
157.7
dB
Gaseous (O₂+H₂O)
2.6
dB
Diffraction loss
93.5
dB
TOTAL PATH LOSS
253.8
dB
Gas rate: 0.0342 dB/km
H₂O: 0.0020 dB/km/g ·
O₂: 0.0200 dB/km
Abs humidity avg: 7.0 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)
-253.8
dB
RX Ant Gain
30.0
dBi
RX Power
-175.8
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-35.8
dB
Path Weather Avg
Temperature
81.0°F
27.2°C
Dewpoint
43.9°F
6.6°C
T/Td Gap
37.1°F
Abs Humidity
7.0 g/m³
Pressure
986.4 mb
PWAT
13.9 mm
BL Depth
2268.5 m
Refrac Gradient
0 N/km
Propagation Factors · 24 GHz
Rain
100
T-Td Depression
96
Pressure
82
PWAT
80
Humidity
58
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 | 33.5, -97.3 | 26.3°C | 8.5°C | 986.4 mb | 2119.6 m | 13.6 mm | ||
| 13% | 33.4, -97.2 | 26.3°C | 8.5°C | 986.4 mb | 2119.6 m | 13.6 mm | ||
| 25% | 33.4, -97.1 | 27.3°C | 8.1°C | 993.0 mb | 2239.7 m | 13.9 mm | ||
| 38% | 33.4, -97.0 | 26.8°C | 7.4°C | 992.3 mb | 2228.2 m | 13.2 mm | ||
| Midpoint | 33.3, -97.0 | 27.1°C | 7.1°C | 994.6 mb | 2296.0 m | 13.4 mm | ||
| 63% | 33.3, -96.9 | 27.8°C | 6.5°C | 995.5 mb | 2387.5 m | 15.4 mm | ||
| 75% | 33.2, -96.8 | 28.1°C | 4.7°C | 992.1 mb | 2338.5 m | 14.1 mm | ||
| 88% | 33.2, -96.7 | 27.2°C | 4.7°C | 992.1 mb | 2309.6 m | 13.7 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:
74
at 22:00 UTC
Worst:
62
at 12:00 UTC