Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
153 mi (246 km)
Bearing
223.2°
Terrain
BLOCKED
Propagation
70/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
167.9
dB
Gaseous (O₂+H₂O)
8.6
dB
Diffraction loss
129.8
dB
TOTAL PATH LOSS
306.3
dB
Gas rate: 0.0349 dB/km
H₂O: 0.0020 dB/km/g ·
O₂: 0.0200 dB/km
Abs humidity avg: 7.4 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)
-306.3
dB
RX Ant Gain
30.0
dBi
RX Power
-228.3
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-88.3
dB
Path Weather Avg
Temperature
80.9°F
27.1°C
Dewpoint
45.4°F
7.4°C
T/Td Gap
35.5°F
Abs Humidity
7.4 g/m³
Pressure
964.7 mb
PWAT
15.2 mm
BL Depth
2237.4 m
Refrac Gradient
0 N/km
Propagation Factors · 24 GHz
Rain
100
T-Td Depression
96
Pressure
88
PWAT
80
Humidity
53
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 | 34.7, -94.8 | 24.2°C | 10.2°C | 964.7 mb | 1597.9 m | 13.8 mm | ||
| 13% | 34.5, -95.0 | 24.8°C | 10.8°C | 971.1 mb | 1939.3 m | 15.2 mm | ||
| 25% | 34.3, -95.3 | 25.9°C | 9.2°C | 979.9 mb | 2233.7 m | 15.3 mm | ||
| 38% | 34.1, -95.5 | 27.9°C | 8.0°C | 998.2 mb | 2363.2 m | 15.4 mm | ||
| Midpoint | 33.9, -95.7 | 28.8°C | 7.4°C | 999.5 mb | 2421.4 m | 16.7 mm | ||
| 63% | 33.7, -95.9 | 28.2°C | 7.4°C | 995.6 mb | 2386.7 m | 16.4 mm | ||
| 75% | 33.5, -96.2 | 27.9°C | 5.6°C | 991.2 mb | 2381.4 m | 15.1 mm | ||
| 88% | 33.3, -96.4 | 28.4°C | 4.4°C | 992.2 mb | 2434.7 m | 15.3 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:
75
at 10:00 UTC
Worst:
68
at 02:00 UTC