Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
88 mi (141 km)
Bearing
109.7°
Terrain
BLOCKED
Propagation
70/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
163.1
dB
Gaseous (O₂+H₂O)
4.8
dB
Diffraction loss
117.3
dB
TOTAL PATH LOSS
285.2
dB
Gas rate: 0.0339 dB/km
H₂O: 0.0020 dB/km/g ·
O₂: 0.0200 dB/km
Abs humidity avg: 6.9 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)
-285.2
dB
RX Ant Gain
30.0
dBi
RX Power
-207.2
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-67.2
dB
Path Weather Avg
Temperature
80.1°F
26.7°C
Dewpoint
43.4°F
6.4°C
T/Td Gap
36.7°F
Abs Humidity
6.9 g/m³
Pressure
976.9 mb
PWAT
13.6 mm
BL Depth
2232.9 m
Refrac Gradient
0 N/km
Propagation Factors · 24 GHz
Rain
100
T-Td Depression
96
Pressure
88
PWAT
80
Humidity
59
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 | 33.6, -97.9 | 26.4°C | 5.1°C | 979.0 mb | 2249.9 m | 12.3 mm | ||
| 13% | 33.6, -97.7 | 25.6°C | 6.7°C | 976.9 mb | 2274.3 m | 13.2 mm | ||
| 25% | 33.5, -97.5 | 25.4°C | 7.3°C | 982.6 mb | 2056.9 m | 12.5 mm | ||
| 38% | 33.5, -97.3 | 25.7°C | 8.6°C | 983.5 mb | 2069.5 m | 13.7 mm | ||
| Midpoint | 33.4, -97.2 | 27.3°C | 7.0°C | 993.0 mb | 2235.5 m | 14.1 mm | ||
| 63% | 33.4, -97.0 | 26.8°C | 7.2°C | 992.2 mb | 2249.6 m | 14.1 mm | ||
| 75% | 33.3, -96.8 | 28.1°C | 5.7°C | 991.9 mb | 2354.5 m | 15.8 mm | ||
| 88% | 33.2, -96.6 | 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:
74
at 07:00 UTC
Worst:
63
at 13:00 UTC