Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
148 mi (238 km)
Bearing
226.3°
Terrain
BLOCKED
Propagation
69/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
167.6
dB
Gaseous (O₂+H₂O)
8.3
dB
Diffraction loss
127.1
dB
TOTAL PATH LOSS
303.0
dB
Gas rate: 0.0351 dB/km
H₂O: 0.0020 dB/km/g ·
O₂: 0.0200 dB/km
Abs humidity avg: 7.5 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)
-303.0
dB
RX Ant Gain
30.0
dBi
RX Power
-225.0
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-85.0
dB
Path Weather Avg
Temperature
80.7°F
27.1°C
Dewpoint
45.7°F
7.6°C
T/Td Gap
35.0°F
Abs Humidity
7.5 g/m³
Pressure
959.4 mb
PWAT
15.7 mm
BL Depth
2250.4 m
Refrac Gradient
0 N/km
Propagation Factors · 24 GHz
Rain
100
T-Td Depression
96
Pressure
88
PWAT
80
Humidity
52
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 | 34.7, -94.6 | 24.9°C | 11.0°C | 977.8 mb | 1621.3 m | 15.1 mm | ||
| 13% | 34.5, -94.8 | 22.7°C | 11.8°C | 959.4 mb | 1574.8 m | 14.1 mm | ||
| 25% | 34.3, -95.1 | 27.1°C | 9.2°C | 996.7 mb | 2328.6 m | 16.2 mm | ||
| 38% | 34.1, -95.3 | 27.5°C | 7.8°C | 992.8 mb | 2329.7 m | 15.1 mm | ||
| Midpoint | 33.9, -95.5 | 29.0°C | 7.2°C | 1000.0 mb | 2608.1 m | 17.9 mm | ||
| 63% | 33.7, -95.8 | 27.9°C | 6.3°C | 995.7 mb | 2337.8 m | 15.3 mm | ||
| 75% | 33.6, -96.0 | 28.1°C | 6.2°C | 994.0 mb | 2581.2 m | 18.1 mm | ||
| 88% | 33.4, -96.2 | 28.4°C | 4.9°C | 991.2 mb | 2492.0 m | 16.1 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:
74
at 01:00 UTC
Worst:
68
at 02:00 UTC