Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
27 mi (44 km)
Bearing
209.6°
Terrain
BLOCKED
Propagation
70/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
152.9
dB
Gaseous (O₂+H₂O)
1.4
dB
Diffraction loss
49.3
dB
TOTAL PATH LOSS
203.5
dB
Gas rate: 0.0320 dB/km
H₂O: 0.0020 dB/km/g ·
O₂: 0.0200 dB/km
Abs humidity avg: 6.0 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)
-203.5
dB
RX Ant Gain
30.0
dBi
RX Power
-125.5
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
14.5
dB
Path Weather Avg
Temperature
82.3°F
27.9°C
Dewpoint
39.9°F
4.4°C
T/Td Gap
42.4°F
Abs Humidity
6.0 g/m³
Pressure
990.2 mb
PWAT
13.9 mm
BL Depth
2366.3 m
Refrac Gradient
0 N/km
Propagation Factors · 24 GHz
Rain
100
T-Td Depression
96
PWAT
80
Pressure
70
Humidity
70
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 | 33.5, -96.4 | 27.8°C | 5.0°C | 990.2 mb | 2305.0 m | 14.2 mm | ||
| 13% | 33.4, -96.4 | 28.4°C | 4.4°C | 992.2 mb | 2434.7 m | 15.3 mm | ||
| 25% | 33.4, -96.4 | 27.6°C | 5.0°C | 993.6 mb | 2330.6 m | 13.9 mm | ||
| 38% | 33.3, -96.5 | 27.6°C | 5.0°C | 993.6 mb | 2330.6 m | 13.9 mm | ||
| Midpoint | 33.3, -96.5 | 27.8°C | 4.1°C | 995.4 mb | 2379.9 m | 13.3 mm | ||
| 63% | 33.2, -96.5 | 27.8°C | 4.1°C | 995.4 mb | 2379.9 m | 13.3 mm | ||
| 75% | 33.2, -96.6 | 27.8°C | 4.1°C | 995.4 mb | 2379.9 m | 13.3 mm | ||
| 88% | 33.2, -96.6 | 28.2°C | 3.9°C | 994.1 mb | 2377.9 m | 13.9 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:
74
at 05:00 UTC
Worst:
63
at 12:00 UTC