Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
104 mi (167 km)
Bearing
36.2°
Terrain
BLOCKED
Propagation
68/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
164.5
dB
Gaseous (O₂+H₂O)
5.7
dB
Diffraction loss
121.3
dB
TOTAL PATH LOSS
291.5
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)
-291.5
dB
RX Ant Gain
30.0
dBi
RX Power
-213.5
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-73.5
dB
Path Weather Avg
Temperature
81.0°F
27.2°C
Dewpoint
43.7°F
6.5°C
T/Td Gap
37.3°F
Abs Humidity
7.0 g/m³
Pressure
991.2 mb
PWAT
15.4 mm
BL Depth
2323.7 m
Refrac Gradient
0 N/km
Propagation Factors · 24 GHz
Rain
100
T-Td Depression
96
PWAT
80
Pressure
70
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 | 31.9, -97.7 | 26.2°C | 5.8°C | 991.4 mb | 2226.8 m | 14.0 mm | ||
| 13% | 32.1, -97.5 | 26.6°C | 5.7°C | 995.6 mb | 2222.4 m | 13.3 mm | ||
| 25% | 32.2, -97.4 | 26.5°C | 6.6°C | 991.3 mb | 2175.5 m | 14.0 mm | ||
| 38% | 32.4, -97.3 | 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, -97.0 | 27.7°C | 7.2°C | 998.1 mb | 2324.8 m | 14.8 mm | ||
| 75% | 32.8, -96.9 | 28.3°C | 5.8°C | 999.3 mb | 2376.2 m | 16.3 mm | ||
| 88% | 33.0, -96.7 | 27.2°C | 6.3°C | 993.3 mb | 2401.0 m | 17.5 mm | ||
| Destination | 33.1, -96.6 | 28.4°C | 6.3°C | 993.9 mb | 2499.5 m | 17.5 mm |
Midpoint vertical profile
18-Hour Propagation Forecast · 24 GHz
→ Steady
Best:
73
at 03:00 UTC
Worst:
62
at 11:00 UTC