Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
21 mi (34 km)
Bearing
215.9°
Terrain
BLOCKED
Propagation
69/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
143.1
dB
Gaseous (O₂+H₂O)
0.2
dB
Diffraction loss
29.8
dB
TOTAL PATH LOSS
173.1
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 15.1 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)
-173.1
dB
RX Ant Gain
30.0
dBi
RX Power
-95.1
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
44.9
dB
Path Weather Avg
Temperature
67.4°F
19.7°C
Dewpoint
64.1°F
17.8°C
T/Td Gap
3.3°F
Abs Humidity
15.1 g/m³
Pressure
994.0 mb
PWAT
41.2 mm
BL Depth
556.1 m
Refrac Gradient
-65.0 N/km
Propagation Factors · 10 GHz
Rain
100
Humidity
95
T-Td Depression
75
Pressure
70
Season
68
Refractivity
55
PWAT
50
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 | 33.4, -96.4 | 19.4°C | 17.7°C | 994.0 mb | 629.9 m | 41.7 mm | 354.8 | -57.0 |
| 13% | 33.3, -96.4 | 19.4°C | 17.7°C | 994.0 mb | 629.9 m | 41.7 mm | 354.8 | -57.0 |
| 25% | 33.3, -96.5 | 20.1°C | 17.9°C | 997.2 mb | 600.2 m | 41.5 mm | 353.7 | -58.9 |
| 38% | 33.3, -96.5 | 20.1°C | 17.9°C | 997.2 mb | 600.2 m | 41.5 mm | 353.7 | -58.9 |
| Midpoint | 33.2, -96.5 | 20.1°C | 17.9°C | 997.2 mb | 600.2 m | 41.5 mm | 353.7 | -58.9 |
| 63% | 33.2, -96.5 | 20.1°C | 17.9°C | 997.2 mb | 600.2 m | 41.5 mm | 353.7 | -58.9 |
| 75% | 33.2, -96.6 | 18.9°C | 17.8°C | 998.4 mb | 431.7 m | 40.8 mm | 354.3 | -65.0 |
| 88% | 33.2, -96.6 | 19.4°C | 17.8°C | 995.0 mb | 456.2 m | 40.3 mm | 354.2 | -62.2 |
| Destination | 33.1, -96.6 | 19.4°C | 17.8°C | 995.0 mb | 456.2 m | 40.3 mm | 354.2 | -62.2 |
Midpoint vertical profile
17-Hour Propagation Forecast · 10 GHz
→ Steady
Best:
75
at 11:00 UTC
Worst:
58
at 02:00 UTC