Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
85 mi (137 km)
Bearing
130.1°
Terrain
BLOCKED
Propagation
69/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
162.8
dB
Gaseous (O₂+H₂O)
4.7
dB
Diffraction loss
117.6
dB
TOTAL PATH LOSS
285.1
dB
Gas rate: 0.0345 dB/km
H₂O: 0.0020 dB/km/g ·
O₂: 0.0200 dB/km
Abs humidity avg: 7.3 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)
-285.1
dB
RX Ant Gain
30.0
dBi
RX Power
-207.1
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-67.1
dB
Path Weather Avg
Temperature
81.1°F
27.3°C
Dewpoint
44.8°F
7.1°C
T/Td Gap
36.3°F
Abs Humidity
7.3 g/m³
Pressure
986.5 mb
PWAT
14.6 mm
BL Depth
2247.8 m
Refrac Gradient
0 N/km
Propagation Factors · 24 GHz
Rain
100
T-Td Depression
96
Pressure
82
PWAT
80
Humidity
55
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 | 34.0, -97.6 | 27.6°C | 7.0°C | 986.5 mb | 2324.1 m | 14.6 mm | ||
| 13% | 33.9, -97.4 | 27.6°C | 9.7°C | 988.1 mb | 2315.8 m | 16.7 mm | ||
| 25% | 33.8, -97.3 | 27.7°C | 8.1°C | 988.0 mb | 2256.1 m | 15.3 mm | ||
| 38% | 33.7, -97.2 | 26.6°C | 8.7°C | 988.8 mb | 2168.0 m | 15.1 mm | ||
| Midpoint | 33.6, -97.0 | 26.7°C | 8.1°C | 989.7 mb | 2133.5 m | 14.6 mm | ||
| 63% | 33.5, -96.9 | 27.2°C | 6.8°C | 992.5 mb | 2191.1 m | 13.8 mm | ||
| 75% | 33.4, -96.7 | 26.7°C | 6.0°C | 990.1 mb | 2235.9 m | 13.8 mm | ||
| 88% | 33.3, -96.6 | 27.6°C | 4.7°C | 994.3 mb | 2315.0 m | 13.5 mm | ||
| Destination | 33.2, -96.5 | 27.6°C | 4.8°C | 995.4 mb | 2290.7 m | 13.7 mm |
Midpoint vertical profile
18-Hour Propagation Forecast · 24 GHz
→ Steady
Best:
75
at 07:00 UTC
Worst:
64
at 13:00 UTC