Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
100 mi (161 km)
Bearing
92.9°
Terrain
BLOCKED
Propagation
68/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
156.6
dB
Gaseous (O₂+H₂O)
1.1
dB
Diffraction loss
112.6
dB
TOTAL PATH LOSS
270.3
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)
-270.3
dB
RX Ant Gain
30.0
dBi
RX Power
-192.3
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-52.3
dB
Path Weather Avg
Temperature
80.3°F
26.8°C
Dewpoint
43.8°F
6.5°C
T/Td Gap
36.5°F
Abs Humidity
7.0 g/m³
Pressure
981.0 mb
PWAT
14.1 mm
BL Depth
2287.5 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 | 33.3, -98.2 | 26.9°C | 6.3°C | 981.0 mb | 2234.4 m | 13.1 mm | ||
| 13% | 33.3, -98.0 | 26.9°C | 6.3°C | 982.5 mb | 2257.7 m | 13.3 mm | ||
| 25% | 33.3, -97.7 | 26.8°C | 6.5°C | 986.2 mb | 2346.4 m | 14.2 mm | ||
| 38% | 33.2, -97.5 | 26.1°C | 8.2°C | 985.2 mb | 2288.1 m | 15.2 mm | ||
| Midpoint | 33.2, -97.3 | 25.1°C | 9.7°C | 988.2 mb | 2268.4 m | 15.0 mm | ||
| 63% | 33.2, -97.1 | 26.7°C | 6.5°C | 993.2 mb | 2227.0 m | 13.2 mm | ||
| 75% | 33.2, -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 · 10 GHz
→ Steady
Best:
82
at 03:00 UTC
Worst:
73
at 11:00 UTC