Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
106 mi (170 km)
Bearing
103.4°
Terrain
BLOCKED
Propagation
71/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
164.7
dB
Gaseous (O₂+H₂O)
5.7
dB
Diffraction loss
125.2
dB
TOTAL PATH LOSS
295.6
dB
Gas rate: 0.0337 dB/km
H₂O: 0.0020 dB/km/g ·
O₂: 0.0200 dB/km
Abs humidity avg: 6.8 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)
-295.6
dB
RX Ant Gain
30.0
dBi
RX Power
-217.6
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-77.6
dB
Path Weather Avg
Temperature
80.1°F
26.7°C
Dewpoint
43.1°F
6.2°C
T/Td Gap
37.0°F
Abs Humidity
6.8 g/m³
Pressure
977.0 mb
PWAT
13.6 mm
BL Depth
2253.8 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 | 33.6, -98.2 | 27.2°C | 3.5°C | 977.0 mb | 2287.1 m | 11.3 mm | ||
| 13% | 33.5, -98.0 | 27.1°C | 4.6°C | 979.2 mb | 2266.6 m | 12.0 mm | ||
| 25% | 33.5, -97.8 | 26.3°C | 5.9°C | 979.3 mb | 2248.8 m | 13.3 mm | ||
| 38% | 33.4, -97.6 | 24.9°C | 9.4°C | 985.5 mb | 2208.6 m | 14.2 mm | ||
| Midpoint | 33.4, -97.3 | 24.7°C | 9.8°C | 983.6 mb | 2071.5 m | 15.0 mm | ||
| 63% | 33.3, -97.1 | 27.3°C | 7.0°C | 993.0 mb | 2235.5 m | 14.1 mm | ||
| 75% | 33.3, -96.9 | 27.7°C | 6.0°C | 995.5 mb | 2360.1 m | 15.5 mm | ||
| 88% | 33.2, -96.7 | 27.6°C | 4.7°C | 994.3 mb | 2315.0 m | 13.5 mm | ||
| Destination | 33.2, -96.5 | 27.6°C | 4.8°C | 995.4 mb | 2290.7 m | 13.7 mm |
Midpoint vertical profile
17-Hour Propagation Forecast · 24 GHz
→ Steady
Best:
73
at 10:00 UTC
Worst:
65
at 12:00 UTC