Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
54 mi (86 km)
Bearing
113.2°
Terrain
BLOCKED
Propagation
51/100
MARGINAL
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
158.7
dB
Gaseous (O₂+H₂O)
4.3
dB
Diffraction loss
98.9
dB
TOTAL PATH LOSS
262.0
dB
Gas rate: 0.0498 dB/km
H₂O: 0.0020 dB/km/g ·
O₂: 0.0200 dB/km
Abs humidity avg: 14.9 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)
-262.0
dB
RX Ant Gain
30.0
dBi
RX Power
-184.0
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-44.0
dB
Path Weather Avg
Temperature
69.4°F
20.8°C
Dewpoint
63.8°F
17.6°C
T/Td Gap
5.6°F
Abs Humidity
14.9 g/m³
Pressure
988.0 mb
PWAT
40.3 mm
BL Depth
723.6 m
Refrac Gradient
-61.7 N/km
Propagation Factors · 24 GHz
Rain
100
Pressure
82
Refractivity
55
Sky Cover
50
Wind
50
Season
47
T-Td Depression
38
Time of Day
18
PWAT
15
Humidity
0
Atmospheric Profile
HRRR (3 km) Valid 2026-05-10 21:00 UTC 9 path samples| Point | Lat, Lon | Temp | Dewpt | Press | HPBL | PWAT | Ns | dN/dh |
|---|---|---|---|---|---|---|---|---|
| Source | 33.5, -97.3 | 22.1°C | 16.1°C | 988.0 mb | 937.3 m | 36.5 mm | 342.7 | -61.7 |
| 13% | 33.5, -97.2 | 22.1°C | 16.1°C | 988.0 mb | 937.3 m | 36.5 mm | 342.7 | -61.7 |
| 25% | 33.4, -97.1 | 21.8°C | 18.3°C | 994.4 mb | 719.2 m | 39.1 mm | 351.0 | -49.4 |
| 38% | 33.4, -97.0 | 20.3°C | 18.2°C | 993.8 mb | 627.9 m | 39.6 mm | 354.1 | -54.6 |
| Midpoint | 33.3, -96.9 | 20.3°C | 18.1°C | 995.6 mb | 649.2 m | 41.7 mm | 353.6 | -59.4 |
| 63% | 33.3, -96.8 | 20.2°C | 18.1°C | 993.1 mb | 659.9 m | 44.6 mm | 356.0 | -56.4 |
| 75% | 33.3, -96.7 | 20.0°C | 18.2°C | 995.4 mb | 781.6 m | 42.2 mm | 356.1 | -53.2 |
| 88% | 33.2, -96.6 | 20.1°C | 17.9°C | 997.2 mb | 600.2 m | 41.5 mm | 353.7 | -58.9 |
| Destination | 33.2, -96.5 | 20.1°C | 17.9°C | 997.2 mb | 600.2 m | 41.5 mm | 353.7 | -58.9 |
Midpoint vertical profile
17-Hour Propagation Forecast · 24 GHz
→ Steady
Best:
61
at 12:00 UTC
Worst:
35
at 02:00 UTC