Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
91 mi (146 km)
Bearing
96.3°
Terrain
BLOCKED
Propagation
68/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
163.4
dB
Gaseous (O₂+H₂O)
5.2
dB
Diffraction loss
120.9
dB
TOTAL PATH LOSS
289.4
dB
Gas rate: 0.0354 dB/km
H₂O: 0.0020 dB/km/g ·
O₂: 0.0200 dB/km
Abs humidity avg: 7.7 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)
-289.4
dB
RX Ant Gain
30.0
dBi
RX Power
-211.4
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-71.4
dB
Path Weather Avg
Temperature
79.3°F
26.3°C
Dewpoint
46.1°F
7.8°C
T/Td Gap
33.3°F
Abs Humidity
7.7 g/m³
Pressure
981.0 mb
PWAT
15.1 mm
BL Depth
2319.6 m
Refrac Gradient
0 N/km
Propagation Factors · 24 GHz
Rain
100
T-Td Depression
96
Pressure
82
PWAT
80
Humidity
50
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 | 33.3, -98.2 | 26.9°C | 6.3°C | 981.0 mb | 2234.4 m | 13.1 mm | ||
| 13% | 33.3, -98.0 | 26.9°C | 6.3°C | 982.5 mb | 2257.7 m | 13.3 mm | ||
| 25% | 33.2, -97.8 | 26.8°C | 6.5°C | 986.2 mb | 2346.4 m | 14.2 mm | ||
| 38% | 33.2, -97.6 | 26.1°C | 6.8°C | 984.9 mb | 2316.1 m | 13.8 mm | ||
| Midpoint | 33.2, -97.4 | 25.1°C | 9.7°C | 988.2 mb | 2268.4 m | 15.0 mm | ||
| 63% | 33.2, -97.2 | 25.1°C | 10.8°C | 990.8 mb | 2275.6 m | 16.2 mm | ||
| 75% | 33.2, -97.0 | 24.6°C | 10.8°C | 997.5 mb | 2389.3 m | 16.5 mm | ||
| 88% | 33.1, -96.8 | 27.0°C | 6.8°C | 992.1 mb | 2289.3 m | 16.2 mm | ||
| Destination | 33.1, -96.6 | 28.4°C | 6.3°C | 993.9 mb | 2499.5 m | 17.5 mm |
Midpoint vertical profile
17-Hour Propagation Forecast · 24 GHz
→ Steady
Best:
73
at 21:00 UTC
Worst:
63
at 12:00 UTC