Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
117 mi (188 km)
Bearing
36.9°
Terrain
BLOCKED
Propagation
71/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
165.5
dB
Gaseous (O₂+H₂O)
6.3
dB
Diffraction loss
126.8
dB
TOTAL PATH LOSS
298.6
dB
Gas rate: 0.0333 dB/km
H₂O: 0.0020 dB/km/g ·
O₂: 0.0200 dB/km
Abs humidity avg: 6.6 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)
-298.6
dB
RX Ant Gain
30.0
dBi
RX Power
-220.6
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-80.6
dB
Path Weather Avg
Temperature
80.3°F
26.8°C
Dewpoint
42.3°F
5.7°C
T/Td Gap
38.0°F
Abs Humidity
6.6 g/m³
Pressure
977.0 mb
PWAT
13.6 mm
BL Depth
2240.1 m
Refrac Gradient
0 N/km
Propagation Factors · 24 GHz
Rain
100
T-Td Depression
96
Pressure
88
PWAT
80
Humidity
63
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 | 31.8, -97.8 | 24.5°C | 7.2°C | 977.0 mb | 1981.0 m | 12.8 mm | ||
| 13% | 31.9, -97.7 | 25.8°C | 7.5°C | 991.0 mb | 2098.3 m | 14.6 mm | ||
| 25% | 32.1, -97.5 | 26.3°C | 8.1°C | 997.0 mb | 2132.5 m | 14.4 mm | ||
| 38% | 32.3, -97.4 | 26.4°C | 6.3°C | 991.7 mb | 2123.7 m | 12.7 mm | ||
| Midpoint | 32.4, -97.2 | 26.9°C | 4.9°C | 990.3 mb | 2316.4 m | 12.4 mm | ||
| 63% | 32.6, -97.1 | 27.4°C | 5.0°C | 994.6 mb | 2352.4 m | 12.7 mm | ||
| 75% | 32.8, -96.9 | 28.5°C | 3.8°C | 997.9 mb | 2366.4 m | 13.4 mm | ||
| 88% | 33.0, -96.8 | 27.6°C | 5.0°C | 993.2 mb | 2412.1 m | 15.4 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 21:00 UTC
Worst:
62
at 11:00 UTC