Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
27 mi (44 km)
Bearing
209.6°
Terrain
BLOCKED
Propagation
62/100
MARGINAL
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
152.9
dB
Gaseous (O₂+H₂O)
2.1
dB
Diffraction loss
37.9
dB
TOTAL PATH LOSS
192.9
dB
Gas rate: 0.0474 dB/km
H₂O: 0.0020 dB/km/g ·
O₂: 0.0200 dB/km
Abs humidity avg: 13.8 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)
-192.9
dB
RX Ant Gain
30.0
dBi
RX Power
-114.9
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
25.1
dB
Path Weather Avg
Temperature
73.9°F
23.3°C
Dewpoint
61.8°F
16.5°C
T/Td Gap
12.1°F
Abs Humidity
13.8 g/m³
Pressure
983.8 mb
PWAT
21.9 mm
BL Depth
252.2 m
Refrac Gradient
-123.5 N/km
Propagation Factors · 24 GHz
Rain
100
Pressure
82
Refractivity
72
T-Td Depression
60
PWAT
60
Time of Day
55
Sky Cover
50
Wind
50
Season
47
Humidity
2
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 | 33.5, -96.4 | 23.4°C | 16.3°C | 983.8 mb | 260.9 m | 21.5 mm | 341.5 | -122.5 |
| 13% | 33.4, -96.4 | 22.6°C | 17.1°C | 986.2 mb | 250.2 m | 22.0 mm | 345.4 | -122.6 |
| 25% | 33.4, -96.4 | 23.2°C | 16.2°C | 987.0 mb | 256.9 m | 21.8 mm | 339.7 | -108.6 |
| 38% | 33.3, -96.5 | 23.2°C | 16.2°C | 987.0 mb | 256.9 m | 21.8 mm | 339.7 | -108.6 |
| Midpoint | 33.3, -96.5 | 22.9°C | 17.0°C | 988.8 mb | 237.3 m | 21.9 mm | 344.2 | -123.5 |
| 63% | 33.2, -96.5 | 22.9°C | 17.0°C | 988.8 mb | 237.3 m | 21.9 mm | 344.2 | -123.5 |
| 75% | 33.2, -96.6 | 22.9°C | 17.0°C | 988.8 mb | 237.3 m | 21.9 mm | 344.2 | -123.5 |
| 88% | 33.2, -96.6 | 24.1°C | 16.0°C | 987.4 mb | 266.6 m | 22.0 mm | 339.6 | -91.5 |
| 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:
65
at 08:00 UTC
Worst:
57
at 00:00 UTC