Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
114 mi (183 km)
Bearing
38.6°
Terrain
BLOCKED
Propagation
68/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
165.3
dB
Gaseous (O₂+H₂O)
6.2
dB
Diffraction loss
124.5
dB
TOTAL PATH LOSS
296.0
dB
Gas rate: 0.0340 dB/km
H₂O: 0.0020 dB/km/g ·
O₂: 0.0200 dB/km
Abs humidity avg: 7.0 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)
-296.0
dB
RX Ant Gain
30.0
dBi
RX Power
-218.0
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-78.0
dB
Path Weather Avg
Temperature
81.0°F
27.2°C
Dewpoint
43.8°F
6.5°C
T/Td Gap
37.2°F
Abs Humidity
7.0 g/m³
Pressure
991.2 mb
PWAT
15.3 mm
BL Depth
2307.2 m
Refrac Gradient
0 N/km
Propagation Factors · 24 GHz
Rain
100
T-Td Depression
96
PWAT
80
Pressure
70
Humidity
58
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 | 31.9, -97.7 | 26.2°C | 5.8°C | 991.4 mb | 2226.8 m | 14.0 mm | ||
| 13% | 32.1, -97.5 | 26.4°C | 8.2°C | 996.6 mb | 2211.4 m | 15.6 mm | ||
| 25% | 32.2, -97.4 | 26.5°C | 6.6°C | 991.3 mb | 2175.5 m | 14.0 mm | ||
| 38% | 32.4, -97.2 | 27.5°C | 5.8°C | 991.2 mb | 2304.1 m | 14.5 mm | ||
| Midpoint | 32.5, -97.1 | 26.6°C | 8.8°C | 995.5 mb | 2382.6 m | 16.6 mm | ||
| 63% | 32.7, -96.9 | 28.4°C | 4.8°C | 997.9 mb | 2378.3 m | 15.0 mm | ||
| 75% | 32.9, -96.8 | 28.6°C | 5.8°C | 998.6 mb | 2464.5 m | 16.7 mm | ||
| 88% | 33.0, -96.6 | 27.1°C | 8.3°C | 997.4 mb | 2330.8 m | 17.7 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:
73
at 03:00 UTC
Worst:
62
at 11:00 UTC