Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
42 mi (68 km)
Bearing
284.6°
Terrain
BLOCKED
Propagation
68/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
156.7
dB
Gaseous (O₂+H₂O)
2.3
dB
Diffraction loss
84.6
dB
TOTAL PATH LOSS
243.6
dB
Gas rate: 0.0344 dB/km
H₂O: 0.0020 dB/km/g ·
O₂: 0.0200 dB/km
Abs humidity avg: 7.2 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)
-243.6
dB
RX Ant Gain
30.0
dBi
RX Power
-165.6
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-25.6
dB
Path Weather Avg
Temperature
80.9°F
27.2°C
Dewpoint
44.5°F
6.9°C
T/Td Gap
36.4°F
Abs Humidity
7.2 g/m³
Pressure
994.1 mb
PWAT
14.9 mm
BL Depth
2299.0 m
Refrac Gradient
0 N/km
Propagation Factors · 24 GHz
Rain
100
T-Td Depression
96
PWAT
80
Pressure
70
Humidity
56
Refractivity
50
Sky Cover
50
Wind
50
Season
47
Time of Day
18
Atmospheric Profile
HRRR (3 km) Valid 2026-05-03 20:00 UTC 9 path samples| Point | Lat, Lon | Temp | Dewpt | Press | HPBL | PWAT | Ns | dN/dh |
|---|---|---|---|---|---|---|---|---|
| Source | 33.0, -95.9 | 27.1°C | 5.5°C | 999.0 mb | 2281.0 m | 13.4 mm | ||
| 13% | 33.0, -96.0 | 28.5°C | 5.6°C | 999.9 mb | 2417.2 m | 16.1 mm | ||
| 25% | 33.0, -96.1 | 27.2°C | 6.9°C | 999.7 mb | 2301.7 m | 14.8 mm | ||
| 38% | 33.0, -96.2 | 27.2°C | 6.9°C | 999.7 mb | 2301.7 m | 14.8 mm | ||
| Midpoint | 33.0, -96.3 | 27.1°C | 6.9°C | 998.4 mb | 2204.3 m | 13.8 mm | ||
| 63% | 33.1, -96.4 | 25.7°C | 9.1°C | 996.9 mb | 2206.6 m | 14.9 mm | ||
| 75% | 33.1, -96.4 | 26.8°C | 8.8°C | 997.3 mb | 2300.2 m | 16.3 mm | ||
| 88% | 33.1, -96.5 | 26.8°C | 8.8°C | 997.3 mb | 2300.2 m | 16.3 mm | ||
| Destination | 33.1, -96.6 | 28.2°C | 3.9°C | 994.1 mb | 2377.9 m | 13.9 mm |
Midpoint vertical profile
17-Hour Propagation Forecast · 24 GHz
→ Steady
Best:
73
at 22:00 UTC
Worst:
66
at 12:00 UTC