Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
102 mi (164 km)
Bearing
93.0°
Terrain
BLOCKED
Propagation
69/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
156.8
dB
Gaseous (O₂+H₂O)
1.1
dB
Diffraction loss
108.5
dB
TOTAL PATH LOSS
266.4
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 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)
-266.4
dB
RX Ant Gain
30.0
dBi
RX Power
-188.4
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-48.4
dB
Path Weather Avg
Temperature
79.5°F
26.4°C
Dewpoint
43.7°F
6.5°C
T/Td Gap
35.8°F
Abs Humidity
7.0 g/m³
Pressure
971.9 mb
PWAT
13.2 mm
BL Depth
2297.1 m
Refrac Gradient
0 N/km
Propagation Factors · 10 GHz
Rain
100
Pressure
88
Humidity
82
PWAT
75
Season
68
T-Td Depression
55
Refractivity
50
Sky Cover
50
Wind
50
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 | 33.2, -98.4 | 26.6°C | 4.7°C | 971.9 mb | 2214.0 m | 11.9 mm | ||
| 13% | 33.2, -98.2 | 26.9°C | 5.5°C | 981.1 mb | 2268.8 m | 12.6 mm | ||
| 25% | 33.2, -97.9 | 26.9°C | 4.1°C | 980.4 mb | 2291.7 m | 11.9 mm | ||
| 38% | 33.2, -97.7 | 27.0°C | 6.0°C | 986.7 mb | 2365.7 m | 13.4 mm | ||
| Midpoint | 33.2, -97.5 | 25.2°C | 8.2°C | 983.8 mb | 2295.4 m | 13.2 mm | ||
| 63% | 33.2, -97.3 | 24.9°C | 9.5°C | 990.9 mb | 2182.0 m | 12.8 mm | ||
| 75% | 33.1, -97.1 | 24.4°C | 10.4°C | 997.5 mb | 2345.3 m | 15.1 mm | ||
| 88% | 33.1, -96.8 | 27.3°C | 6.2°C | 995.3 mb | 2332.9 m | 14.2 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 · 10 GHz
→ Steady
Best:
83
at 04:00 UTC
Worst:
69
at 01:00 UTC