Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
91 mi (146 km)
Bearing
89.6°
Terrain
BLOCKED
Propagation
68/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
155.7
dB
Gaseous (O₂+H₂O)
1.0
dB
Diffraction loss
102.9
dB
TOTAL PATH LOSS
259.6
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 7.1 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)
-259.6
dB
RX Ant Gain
30.0
dBi
RX Power
-181.6
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-41.6
dB
Path Weather Avg
Temperature
80.5°F
26.9°C
Dewpoint
43.9°F
6.6°C
T/Td Gap
36.5°F
Abs Humidity
7.1 g/m³
Pressure
982.5 mb
PWAT
14.7 mm
BL Depth
2292.0 m
Refrac Gradient
0 N/km
Propagation Factors · 10 GHz
Rain
100
Pressure
82
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, -98.0 | 26.9°C | 6.3°C | 982.5 mb | 2257.7 m | 13.3 mm | ||
| 13% | 33.2, -97.8 | 28.2°C | 5.7°C | 985.7 mb | 2383.7 m | 15.7 mm | ||
| 25% | 33.2, -97.6 | 26.1°C | 6.8°C | 984.9 mb | 2316.1 m | 13.8 mm | ||
| 38% | 33.2, -97.4 | 25.1°C | 9.7°C | 988.2 mb | 2268.4 m | 15.0 mm | ||
| Midpoint | 33.2, -97.2 | 26.1°C | 9.3°C | 991.9 mb | 2156.4 m | 16.6 mm | ||
| 63% | 33.2, -97.0 | 27.0°C | 6.4°C | 994.5 mb | 2280.0 m | 15.1 mm | ||
| 75% | 33.2, -96.8 | 27.7°C | 6.0°C | 995.5 mb | 2360.1 m | 15.5 mm | ||
| 88% | 33.2, -96.6 | 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
18-Hour Propagation Forecast · 10 GHz
→ Steady
Best:
82
at 03:00 UTC
Worst:
72
at 02:00 UTC