Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
76 mi (122 km)
Bearing
219.2°
Terrain
BLOCKED
Propagation
66/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
154.2
dB
Gaseous (O₂+H₂O)
0.9
dB
Diffraction loss
102.0
dB
TOTAL PATH LOSS
257.0
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)
-257.0
dB
RX Ant Gain
30.0
dBi
RX Power
-179.0
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-39.0
dB
Path Weather Avg
Temperature
82.6°F
28.1°C
Dewpoint
43.6°F
6.5°C
T/Td Gap
39.0°F
Abs Humidity
7.0 g/m³
Pressure
991.2 mb
PWAT
15.5 mm
BL Depth
2388.0 m
Refrac Gradient
0 N/km
Propagation Factors · 10 GHz
Rain
100
PWAT
75
Pressure
70
Humidity
70
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 | 34.0, -95.6 | 27.9°C | 8.0°C | 995.6 mb | 2340.4 m | 15.3 mm | ||
| 13% | 33.9, -95.7 | 28.8°C | 7.4°C | 999.5 mb | 2421.4 m | 16.7 mm | ||
| 25% | 33.8, -95.8 | 28.1°C | 7.8°C | 998.9 mb | 2356.5 m | 15.8 mm | ||
| 38% | 33.7, -95.9 | 28.2°C | 7.4°C | 995.6 mb | 2386.7 m | 16.4 mm | ||
| Midpoint | 33.6, -96.0 | 27.2°C | 7.0°C | 994.9 mb | 2326.5 m | 14.9 mm | ||
| 63% | 33.5, -96.1 | 27.9°C | 5.6°C | 991.2 mb | 2381.4 m | 15.1 mm | ||
| 75% | 33.4, -96.2 | 28.4°C | 4.9°C | 991.2 mb | 2492.0 m | 16.1 mm | ||
| 88% | 33.3, -96.3 | 28.5°C | 6.0°C | 997.2 mb | 2407.3 m | 15.6 mm | ||
| Destination | 33.2, -96.5 | 27.8°C | 4.1°C | 995.4 mb | 2379.9 m | 13.3 mm |
Midpoint vertical profile
17-Hour Propagation Forecast · 10 GHz
→ Steady
Best:
82
at 06:00 UTC
Worst:
67
at 01:00 UTC