Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
98 mi (158 km)
Bearing
63.3°
Terrain
BLOCKED
Propagation
63/100
MARGINAL
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
164.0
dB
Gaseous (O₂+H₂O)
7.2
dB
Diffraction loss
117.7
dB
TOTAL PATH LOSS
288.9
dB
Gas rate: 0.0452 dB/km
H₂O: 0.0020 dB/km/g ·
O₂: 0.0200 dB/km
Abs humidity avg: 12.6 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)
-288.9
dB
RX Ant Gain
30.0
dBi
RX Power
-210.9
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-70.9
dB
Path Weather Avg
Temperature
74.2°F
23.4°C
Dewpoint
59.3°F
15.1°C
T/Td Gap
14.9°F
Abs Humidity
12.6 g/m³
Pressure
973.3 mb
PWAT
24.8 mm
BL Depth
281.5 m
Refrac Gradient
-96.9 N/km
Propagation Factors · 24 GHz
Rain
100
Pressure
88
T-Td Depression
80
Refractivity
62
PWAT
60
Time of Day
55
Sky Cover
50
Wind
50
Season
47
Humidity
6
Atmospheric Profile
HRRR (3 km) Valid 2026-05-15 08:00 UTC 9 path samples| Point | Lat, Lon | Temp | Dewpt | Press | HPBL | PWAT | Ns | dN/dh |
|---|---|---|---|---|---|---|---|---|
| Source | 32.5, -98.1 | 23.5°C | 13.7°C | 973.3 mb | 241.7 m | 27.2 mm | 330.2 | -60.6 |
| 13% | 32.6, -97.9 | 23.9°C | 14.3°C | 980.7 mb | 258.1 m | 27.7 mm | 331.1 | -72.9 |
| 25% | 32.6, -97.8 | 23.0°C | 15.9°C | 976.5 mb | 307.4 m | 25.9 mm | 341.5 | -92.6 |
| 38% | 32.7, -97.6 | 21.5°C | 16.0°C | 973.9 mb | 245.5 m | 25.3 mm | 340.6 | -96.9 |
| Midpoint | 32.8, -97.4 | 23.0°C | 15.1°C | 989.3 mb | 263.9 m | 24.8 mm | 332.0 | -70.3 |
| 63% | 32.9, -97.2 | 23.4°C | 14.6°C | 988.9 mb | 292.7 m | 23.8 mm | 332.9 | -58.5 |
| 75% | 33.0, -97.0 | 23.9°C | 15.1°C | 991.6 mb | 347.1 m | 23.5 mm | 334.0 | -64.9 |
| 88% | 33.0, -96.8 | 24.5°C | 15.6°C | 986.8 mb | 310.9 m | 22.9 mm | 338.6 | -81.7 |
| Destination | 33.1, -96.6 | 24.1°C | 16.0°C | 987.4 mb | 266.6 m | 22.0 mm | 339.6 | -91.5 |
Midpoint vertical profile
18-Hour Propagation Forecast · 24 GHz
→ Steady
Best:
64
at 19:00 UTC
Worst:
55
at 00:00 UTC