Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
69 mi (110 km)
Bearing
312.0°
Terrain
BLOCKED
Propagation
74/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
153.3
dB
Gaseous (O₂+H₂O)
0.8
dB
Diffraction loss
89.7
dB
TOTAL PATH LOSS
243.8
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 15.4 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)
-243.8
dB
RX Ant Gain
30.0
dBi
RX Power
-165.8
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-25.8
dB
Path Weather Avg
Temperature
72.1°F
22.3°C
Dewpoint
64.9°F
18.3°C
T/Td Gap
7.2°F
Abs Humidity
15.4 g/m³
Pressure
997.2 mb
PWAT
39.4 mm
BL Depth
524.8 m
Refrac Gradient
-108.5 N/km
Propagation Factors · 10 GHz
Rain
100
Humidity
95
Refractivity
82
T-Td Depression
75
Pressure
70
PWAT
70
Season
68
Sky Cover
50
Wind
50
Time of Day
18
Atmospheric Profile
HRRR (3 km) Valid 2026-05-10 21:00 UTC 9 path samples| Point | Lat, Lon | Temp | Dewpt | Press | HPBL | PWAT | Ns | dN/dh |
|---|---|---|---|---|---|---|---|---|
| Source | 32.5, -95.6 | 26.3°C | 19.6°C | 997.3 mb | 567.3 m | 38.1 mm | 356.5 | -70.4 |
| 13% | 32.6, -95.7 | 25.4°C | 19.2°C | 1000.7 mb | 605.4 m | 38.0 mm | 351.9 | -60.5 |
| 25% | 32.7, -95.8 | 24.6°C | 17.7°C | 1002.2 mb | 535.4 m | 38.6 mm | 345.9 | -51.7 |
| 38% | 32.8, -95.9 | 23.6°C | 18.1°C | 999.4 mb | 501.5 m | 39.7 mm | 348.9 | -61.8 |
| Midpoint | 32.9, -96.0 | 21.5°C | 17.9°C | 1000.6 mb | 508.4 m | 40.1 mm | 350.5 | -108.5 |
| 63% | 32.9, -96.1 | 20.9°C | 18.4°C | 999.9 mb | 516.6 m | 40.1 mm | 354.0 | -82.0 |
| 75% | 33.0, -96.2 | 18.9°C | 17.8°C | 999.4 mb | 415.5 m | 39.2 mm | 353.9 | -53.7 |
| 88% | 33.1, -96.3 | 18.9°C | 17.7°C | 997.6 mb | 472.8 m | 39.3 mm | 354.1 | -63.8 |
| Destination | 33.2, -96.5 | 20.1°C | 17.9°C | 997.2 mb | 600.2 m | 41.5 mm | 353.7 | -58.9 |
Midpoint vertical profile
17-Hour Propagation Forecast · 10 GHz
→ Steady
Best:
72
at 05:00 UTC
Worst:
59
at 03:00 UTC