Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
127 mi (204 km)
Bearing
39.0°
Terrain
BLOCKED
Propagation
70/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
166.2
dB
Gaseous (O₂+H₂O)
6.9
dB
Diffraction loss
129.2
dB
TOTAL PATH LOSS
302.3
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)
-302.3
dB
RX Ant Gain
30.0
dBi
RX Power
-224.3
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-84.3
dB
Path Weather Avg
Temperature
80.1°F
26.7°C
Dewpoint
43.6°F
6.4°C
T/Td Gap
36.5°F
Abs Humidity
7.0 g/m³
Pressure
977.0 mb
PWAT
13.7 mm
BL Depth
2221.4 m
Refrac Gradient
0 N/km
Propagation Factors · 24 GHz
Rain
100
T-Td Depression
96
Pressure
88
PWAT
80
Humidity
59
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, -97.3 | 26.4°C | 6.3°C | 991.7 mb | 2123.7 m | 12.7 mm | ||
| Midpoint | 32.5, -97.1 | 26.4°C | 6.2°C | 995.8 mb | 2290.9 m | 12.1 mm | ||
| 63% | 32.7, -97.0 | 27.8°C | 5.4°C | 998.2 mb | 2291.4 m | 12.6 mm | ||
| 75% | 32.8, -96.8 | 28.6°C | 4.4°C | 998.6 mb | 2409.0 m | 14.4 mm | ||
| 88% | 33.0, -96.6 | 26.9°C | 8.9°C | 997.3 mb | 2285.5 m | 16.9 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:
73
at 03:00 UTC
Worst:
61
at 11:00 UTC