Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
59 mi (95 km)
Bearing
32.1°
Terrain
BLOCKED
Propagation
54/100
MARGINAL
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
159.6
dB
Gaseous (O₂+H₂O)
4.8
dB
Diffraction loss
94.5
dB
TOTAL PATH LOSS
258.9
dB
Gas rate: 0.0508 dB/km
H₂O: 0.0020 dB/km/g ·
O₂: 0.0200 dB/km
Abs humidity avg: 15.4 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)
-258.9
dB
RX Ant Gain
30.0
dBi
RX Power
-180.9
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-40.9
dB
Path Weather Avg
Temperature
70.1°F
21.2°C
Dewpoint
64.8°F
18.2°C
T/Td Gap
5.4°F
Abs Humidity
15.4 g/m³
Pressure
989.3 mb
PWAT
39.4 mm
BL Depth
467.9 m
Refrac Gradient
-82.2 N/km
Propagation Factors · 24 GHz
Rain
100
Pressure
82
Refractivity
62
Sky Cover
50
Wind
50
Season
47
T-Td Depression
38
PWAT
35
Time of Day
18
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 | 32.5, -97.0 | 24.6°C | 18.7°C | 989.3 mb | 485.8 m | 38.6 mm | 355.4 | -57.5 |
| 13% | 32.6, -96.9 | 23.4°C | 19.2°C | 990.9 mb | 468.6 m | 38.2 mm | 358.3 | -66.5 |
| 25% | 32.6, -96.9 | 21.8°C | 18.8°C | 993.3 mb | 502.6 m | 41.5 mm | 353.7 | -55.1 |
| 38% | 32.7, -96.8 | 21.9°C | 18.1°C | 1001.4 mb | 448.2 m | 39.5 mm | 350.9 | -76.4 |
| Midpoint | 32.8, -96.7 | 20.7°C | 17.6°C | 998.3 mb | 433.5 m | 37.3 mm | 352.1 | -73.4 |
| 63% | 32.9, -96.7 | 19.5°C | 17.7°C | 998.5 mb | 402.7 m | 38.6 mm | 351.9 | -82.2 |
| 75% | 33.0, -96.6 | 19.7°C | 18.0°C | 998.0 mb | 438.2 m | 38.7 mm | 353.2 | -71.9 |
| 88% | 33.1, -96.5 | 18.9°C | 17.8°C | 998.4 mb | 431.7 m | 40.8 mm | 354.3 | -65.0 |
| 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:
58
at 13:00 UTC
Worst:
44
at 02:00 UTC