Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
93 mi (150 km)
Bearing
136.6°
Terrain
BLOCKED
Propagation
70/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
163.6
dB
Gaseous (O₂+H₂O)
5.1
dB
Diffraction loss
120.4
dB
TOTAL PATH LOSS
289.0
dB
Gas rate: 0.0338 dB/km
H₂O: 0.0020 dB/km/g ·
O₂: 0.0200 dB/km
Abs humidity avg: 6.9 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)
-289.0
dB
RX Ant Gain
30.0
dBi
RX Power
-211.0
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-71.0
dB
Path Weather Avg
Temperature
81.1°F
27.3°C
Dewpoint
43.3°F
6.3°C
T/Td Gap
37.8°F
Abs Humidity
6.9 g/m³
Pressure
980.3 mb
PWAT
13.7 mm
BL Depth
2278.0 m
Refrac Gradient
0 N/km
Propagation Factors · 24 GHz
Rain
100
T-Td Depression
96
Pressure
82
PWAT
80
Humidity
60
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 | 34.2, -97.6 | 26.8°C | 5.9°C | 980.3 mb | 2272.1 m | 11.7 mm | ||
| 13% | 34.0, -97.4 | 27.3°C | 8.2°C | 985.8 mb | 2389.9 m | 16.8 mm | ||
| 25% | 33.9, -97.3 | 27.4°C | 9.0°C | 985.2 mb | 2287.7 m | 16.2 mm | ||
| 38% | 33.8, -97.1 | 27.7°C | 7.1°C | 990.2 mb | 2281.7 m | 14.4 mm | ||
| Midpoint | 33.7, -97.0 | 26.8°C | 6.2°C | 989.8 mb | 2157.8 m | 12.2 mm | ||
| 63% | 33.6, -96.9 | 27.3°C | 5.4°C | 992.6 mb | 2120.7 m | 11.8 mm | ||
| 75% | 33.4, -96.7 | 26.8°C | 5.1°C | 990.1 mb | 2214.9 m | 12.3 mm | ||
| 88% | 33.3, -96.6 | 27.8°C | 5.4°C | 994.2 mb | 2397.3 m | 14.6 mm | ||
| Destination | 33.2, -96.5 | 27.8°C | 4.1°C | 995.4 mb | 2379.9 m | 13.3 mm |
Midpoint vertical profile
17-Hour Propagation Forecast · 24 GHz
→ Steady
Best:
75
at 07:00 UTC
Worst:
66
at 12:00 UTC