Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
69 mi (112 km)
Bearing
123.5°
Terrain
BLOCKED
Propagation
69/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
161.0
dB
Gaseous (O₂+H₂O)
3.9
dB
Diffraction loss
98.5
dB
TOTAL PATH LOSS
263.4
dB
Gas rate: 0.0350 dB/km
H₂O: 0.0020 dB/km/g ·
O₂: 0.0200 dB/km
Abs humidity avg: 7.5 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)
-263.4
dB
RX Ant Gain
30.0
dBi
RX Power
-185.4
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-45.4
dB
Path Weather Avg
Temperature
80.1°F
26.7°C
Dewpoint
45.5°F
7.5°C
T/Td Gap
34.6°F
Abs Humidity
7.5 g/m³
Pressure
974.0 mb
PWAT
14.9 mm
BL Depth
2232.5 m
Refrac Gradient
0 N/km
Propagation Factors · 24 GHz
Rain
100
T-Td Depression
96
Pressure
88
PWAT
80
Humidity
52
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 | 33.7, -97.6 | 24.8°C | 8.8°C | 974.0 mb | 2197.3 m | 14.3 mm | ||
| 13% | 33.6, -97.5 | 25.3°C | 9.7°C | 977.9 mb | 2012.7 m | 14.7 mm | ||
| 25% | 33.5, -97.4 | 25.7°C | 8.6°C | 983.5 mb | 2069.5 m | 13.7 mm | ||
| 38% | 33.5, -97.2 | 26.4°C | 8.3°C | 986.2 mb | 2113.6 m | 14.2 mm | ||
| Midpoint | 33.4, -97.1 | 27.3°C | 7.0°C | 993.0 mb | 2235.5 m | 14.1 mm | ||
| 63% | 33.3, -97.0 | 26.8°C | 7.2°C | 992.2 mb | 2249.6 m | 14.1 mm | ||
| 75% | 33.3, -96.9 | 27.7°C | 6.0°C | 995.5 mb | 2360.1 m | 15.5 mm | ||
| 88% | 33.2, -96.7 | 28.1°C | 5.7°C | 991.9 mb | 2354.5 m | 15.8 mm | ||
| Destination | 33.1, -96.6 | 28.4°C | 6.3°C | 993.9 mb | 2499.5 m | 17.5 mm |
Midpoint vertical profile
18-Hour Propagation Forecast · 24 GHz
→ Steady
Best:
74
at 07:00 UTC
Worst:
63
at 13:00 UTC