Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
68 mi (109 km)
Bearing
212.2°
Terrain
BLOCKED
Propagation
79/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
153.2
dB
Gaseous (O₂+H₂O)
0.8
dB
Diffraction loss
98.1
dB
TOTAL PATH LOSS
252.1
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 14.3 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)
-252.1
dB
RX Ant Gain
30.0
dBi
RX Power
-174.1
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-34.1
dB
Path Weather Avg
Temperature
72.6°F
22.6°C
Dewpoint
62.8°F
17.1°C
T/Td Gap
9.9°F
Abs Humidity
14.3 g/m³
Pressure
986.2 mb
PWAT
22.7 mm
BL Depth
260.4 m
Refrac Gradient
-125.9 N/km
Propagation Factors · 10 GHz
Rain
100
Humidity
95
PWAT
90
T-Td Depression
85
Pressure
82
Refractivity
82
Season
68
Time of Day
55
Sky Cover
50
Wind
50
Atmospheric Profile
HRRR (3 km) Valid 2026-05-15 08:00 UTC 9 path samples| Point | Lat, Lon | Temp | Dewpt | Press | HPBL | PWAT | Ns | dN/dh |
|---|---|---|---|---|---|---|---|---|
| Source | 34.0, -96.0 | 21.7°C | 17.5°C | 988.0 mb | 299.5 m | 25.2 mm | 349.5 | -101.4 |
| 13% | 33.8, -96.1 | 20.8°C | 17.8°C | 991.2 mb | 261.1 m | 24.2 mm | 349.3 | -109.3 |
| 25% | 33.7, -96.1 | 22.2°C | 17.8°C | 988.6 mb | 258.3 m | 23.0 mm | 348.0 | -108.6 |
| 38% | 33.6, -96.2 | 23.4°C | 16.8°C | 987.0 mb | 259.1 m | 21.8 mm | 344.1 | -105.5 |
| Midpoint | 33.5, -96.3 | 22.1°C | 17.6°C | 986.2 mb | 254.9 m | 22.4 mm | 348.0 | -125.9 |
| 63% | 33.4, -96.4 | 22.6°C | 17.1°C | 986.2 mb | 250.2 m | 22.0 mm | 345.4 | -122.6 |
| 75% | 33.3, -96.5 | 23.2°C | 16.2°C | 987.0 mb | 256.9 m | 21.8 mm | 339.7 | -108.6 |
| 88% | 33.2, -96.5 | 22.9°C | 17.0°C | 988.8 mb | 237.3 m | 21.9 mm | 344.2 | -123.5 |
| Destination | 33.1, -96.6 | 24.1°C | 16.0°C | 987.4 mb | 266.6 m | 22.0 mm | 339.6 | -91.5 |
Midpoint vertical profile
18-Hour Propagation Forecast · 10 GHz
→ Steady
Best:
85
at 08:00 UTC
Worst:
70
at 23:00 UTC