Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
51 mi (82 km)
Bearing
229.8°
Terrain
BLOCKED
Propagation
49/100
POOR
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
158.4
dB
Gaseous (O₂+H₂O)
4.1
dB
Diffraction loss
98.6
dB
TOTAL PATH LOSS
261.1
dB
Gas rate: 0.0502 dB/km
H₂O: 0.0020 dB/km/g ·
O₂: 0.0200 dB/km
Abs humidity avg: 15.0 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)
-261.1
dB
RX Ant Gain
30.0
dBi
RX Power
-183.1
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-43.1
dB
Path Weather Avg
Temperature
67.0°F
19.4°C
Dewpoint
63.9°F
17.7°C
T/Td Gap
3.0°F
Abs Humidity
15.0 g/m³
Pressure
992.6 mb
PWAT
40.8 mm
BL Depth
542.2 m
Refrac Gradient
-72.5 N/km
Propagation Factors · 24 GHz
Rain
100
Pressure
70
Refractivity
55
Sky Cover
50
Wind
50
Season
47
T-Td Depression
18
Time of Day
18
PWAT
15
Humidity
0
Atmospheric Profile
HRRR (3 km) Valid 2026-05-10 21:00 UTC 9 path samples| Point | Lat, Lon | Temp | Dewpt | Press | HPBL | PWAT | Ns | dN/dh |
|---|---|---|---|---|---|---|---|---|
| Source | 33.6, -95.9 | 19.6°C | 17.3°C | 996.9 mb | 584.4 m | 37.1 mm | 349.6 | -64.7 |
| 13% | 33.5, -96.0 | 20.1°C | 17.5°C | 995.2 mb | 605.7 m | 40.3 mm | 351.6 | -72.3 |
| 25% | 33.5, -96.1 | 19.6°C | 17.6°C | 992.6 mb | 585.7 m | 38.7 mm | 353.4 | -72.5 |
| 38% | 33.4, -96.2 | 19.1°C | 18.1°C | 993.7 mb | 564.6 m | 44.0 mm | 357.8 | -59.5 |
| Midpoint | 33.4, -96.3 | 19.1°C | 18.1°C | 993.7 mb | 564.6 m | 44.0 mm | 357.8 | -59.5 |
| 63% | 33.3, -96.4 | 18.9°C | 17.4°C | 998.8 mb | 486.3 m | 40.6 mm | 351.6 | -54.9 |
| 75% | 33.2, -96.4 | 20.1°C | 17.9°C | 997.2 mb | 600.2 m | 41.5 mm | 353.7 | -58.9 |
| 88% | 33.2, -96.5 | 18.9°C | 17.8°C | 998.4 mb | 431.7 m | 40.8 mm | 354.3 | -65.0 |
| Destination | 33.1, -96.6 | 19.4°C | 17.8°C | 995.0 mb | 456.2 m | 40.3 mm | 354.2 | -62.2 |
Midpoint vertical profile
17-Hour Propagation Forecast · 24 GHz
→ Steady
Best:
61
at 10:00 UTC
Worst:
32
at 22:00 UTC