Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
59 mi (94 km)
Bearing
40.5°
Terrain
BLOCKED
Propagation
63/100
MARGINAL
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
159.5
dB
Gaseous (O₂+H₂O)
4.3
dB
Diffraction loss
90.4
dB
TOTAL PATH LOSS
254.2
dB
Gas rate: 0.0456 dB/km
H₂O: 0.0020 dB/km/g ·
O₂: 0.0200 dB/km
Abs humidity avg: 12.8 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)
-254.2
dB
RX Ant Gain
30.0
dBi
RX Power
-176.2
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-36.2
dB
Path Weather Avg
Temperature
74.4°F
23.5°C
Dewpoint
59.9°F
15.5°C
T/Td Gap
14.5°F
Abs Humidity
12.8 g/m³
Pressure
983.7 mb
PWAT
23.5 mm
BL Depth
275.5 m
Refrac Gradient
-119.6 N/km
Propagation Factors · 24 GHz
Rain
100
Pressure
82
T-Td Depression
80
Refractivity
72
PWAT
60
Time of Day
55
Sky Cover
50
Wind
50
Season
47
Humidity
5
Atmospheric Profile
HRRR (3 km) Valid 2026-05-15 08:00 UTC 9 path samples| Point | Lat, Lon | Temp | Dewpt | Press | HPBL | PWAT | Ns | dN/dh |
|---|---|---|---|---|---|---|---|---|
| Source | 32.5, -97.3 | 22.7°C | 14.8°C | 983.7 mb | 232.5 m | 23.2 mm | 336.5 | -119.6 |
| 13% | 32.6, -97.2 | 22.7°C | 14.8°C | 983.7 mb | 232.5 m | 23.2 mm | 336.5 | -119.6 |
| 25% | 32.6, -97.1 | 22.5°C | 15.4°C | 987.9 mb | 252.5 m | 24.0 mm | 338.5 | -104.2 |
| 38% | 32.7, -97.0 | 23.7°C | 15.5°C | 993.7 mb | 268.9 m | 24.3 mm | 336.8 | -82.6 |
| Midpoint | 32.8, -96.9 | 23.7°C | 15.5°C | 993.7 mb | 268.9 m | 24.3 mm | 336.8 | -82.6 |
| 63% | 32.9, -96.9 | 23.7°C | 16.1°C | 993.0 mb | 335.5 m | 24.5 mm | 339.3 | -80.7 |
| 75% | 33.0, -96.8 | 24.5°C | 15.6°C | 986.8 mb | 310.9 m | 22.9 mm | 338.6 | -81.7 |
| 88% | 33.0, -96.7 | 24.5°C | 15.6°C | 986.8 mb | 310.9 m | 22.9 mm | 338.6 | -81.7 |
| Destination | 33.1, -96.6 | 24.1°C | 16.0°C | 987.4 mb | 266.6 m | 22.0 mm | 339.6 | -91.5 |
Midpoint vertical profile
18-Hour Propagation Forecast · 24 GHz
→ Steady
Best:
62
at 13:00 UTC
Worst:
57
at 22:00 UTC