Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
122 mi (197 km)
Bearing
49.9°
Terrain
BLOCKED
Propagation
71/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
165.9
dB
Gaseous (O₂+H₂O)
6.7
dB
Diffraction loss
127.5
dB
TOTAL PATH LOSS
300.1
dB
Gas rate: 0.0338 dB/km
H₂O: 0.0020 dB/km/g ·
O₂: 0.0200 dB/km
Abs humidity avg: 6.9 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)
-300.1
dB
RX Ant Gain
30.0
dBi
RX Power
-222.1
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-82.1
dB
Path Weather Avg
Temperature
80.5°F
26.9°C
Dewpoint
43.3°F
6.3°C
T/Td Gap
37.2°F
Abs Humidity
6.9 g/m³
Pressure
969.1 mb
PWAT
14.7 mm
BL Depth
2278.7 m
Refrac Gradient
0 N/km
Propagation Factors · 24 GHz
Rain
100
T-Td Depression
96
Pressure
88
PWAT
80
Humidity
60
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 | 32.0, -98.2 | 24.8°C | 5.8°C | 969.1 mb | 1955.5 m | 13.1 mm | ||
| 13% | 32.1, -98.0 | 25.6°C | 6.1°C | 974.9 mb | 2010.6 m | 13.5 mm | ||
| 25% | 32.3, -97.8 | 26.9°C | 6.1°C | 988.9 mb | 2247.4 m | 14.0 mm | ||
| 38% | 32.4, -97.6 | 27.3°C | 5.7°C | 989.4 mb | 2280.4 m | 13.5 mm | ||
| Midpoint | 32.6, -97.4 | 27.1°C | 6.2°C | 987.4 mb | 2337.1 m | 14.3 mm | ||
| 63% | 32.7, -97.2 | 27.6°C | 6.2°C | 995.7 mb | 2451.5 m | 14.6 mm | ||
| 75% | 32.8, -97.0 | 27.7°C | 6.9°C | 997.5 mb | 2396.2 m | 15.6 mm | ||
| 88% | 33.0, -96.8 | 27.1°C | 7.5°C | 995.0 mb | 2330.0 m | 16.8 mm | ||
| Destination | 33.1, -96.6 | 28.4°C | 6.3°C | 993.9 mb | 2499.5 m | 17.5 mm |
Midpoint vertical profile
17-Hour Propagation Forecast · 24 GHz
→ Steady
Best:
75
at 21:00 UTC
Worst:
62
at 12:00 UTC