Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
62 mi (100 km)
Bearing
155.6°
Terrain
BLOCKED
Propagation
62/100
MARGINAL
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
160.1
dB
Gaseous (O₂+H₂O)
4.7
dB
Diffraction loss
102.4
dB
TOTAL PATH LOSS
267.1
dB
Gas rate: 0.0472 dB/km
H₂O: 0.0020 dB/km/g ·
O₂: 0.0200 dB/km
Abs humidity avg: 13.6 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)
-267.1
dB
RX Ant Gain
30.0
dBi
RX Power
-189.1
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-49.1
dB
Path Weather Avg
Temperature
74.1°F
23.4°C
Dewpoint
61.4°F
16.3°C
T/Td Gap
12.7°F
Abs Humidity
13.6 g/m³
Pressure
979.6 mb
PWAT
25.1 mm
BL Depth
323.4 m
Refrac Gradient
-97.4 N/km
Propagation Factors · 24 GHz
Rain
100
Pressure
88
Refractivity
62
T-Td Depression
60
PWAT
60
Time of Day
55
Sky Cover
50
Wind
50
Season
47
Humidity
3
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 | 33.9, -97.1 | 23.5°C | 17.8°C | 983.6 mb | 352.9 m | 29.9 mm | 349.8 | -67.8 |
| 13% | 33.8, -97.0 | 22.7°C | 17.9°C | 984.5 mb | 337.1 m | 29.3 mm | 348.8 | -76.9 |
| 25% | 33.7, -96.9 | 22.5°C | 17.5°C | 979.6 mb | 340.1 m | 27.5 mm | 347.8 | -82.0 |
| 38% | 33.6, -96.9 | 23.5°C | 16.0°C | 981.8 mb | 355.1 m | 25.3 mm | 339.2 | -88.1 |
| Midpoint | 33.5, -96.8 | 23.9°C | 15.1°C | 985.4 mb | 354.6 m | 24.0 mm | 334.3 | -97.4 |
| 63% | 33.4, -96.8 | 23.3°C | 15.5°C | 983.0 mb | 317.3 m | 22.9 mm | 334.9 | -87.6 |
| 75% | 33.3, -96.7 | 23.3°C | 15.5°C | 983.0 mb | 317.3 m | 22.9 mm | 334.9 | -87.6 |
| 88% | 33.2, -96.7 | 23.7°C | 15.6°C | 987.5 mb | 269.3 m | 22.0 mm | 335.8 | -91.6 |
| 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:
64
at 10:00 UTC
Worst:
50
at 01:00 UTC