Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
106 mi (170 km)
Bearing
129.0°
Terrain
BLOCKED
Propagation
68/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
157.1
dB
Gaseous (O₂+H₂O)
1.2
dB
Diffraction loss
116.7
dB
TOTAL PATH LOSS
274.9
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 7.2 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)
-274.9
dB
RX Ant Gain
30.0
dBi
RX Power
-196.9
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-56.9
dB
Path Weather Avg
Temperature
81.2°F
27.3°C
Dewpoint
44.4°F
6.9°C
T/Td Gap
36.8°F
Abs Humidity
7.2 g/m³
Pressure
981.1 mb
PWAT
14.7 mm
BL Depth
2291.4 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 | 34.1, -98.0 | 28.2°C | 5.1°C | 983.6 mb | 2374.0 m | 13.0 mm | ||
| 13% | 34.0, -97.9 | 27.1°C | 5.3°C | 983.4 mb | 2235.2 m | 11.7 mm | ||
| 25% | 33.8, -97.7 | 27.5°C | 6.7°C | 983.8 mb | 2350.2 m | 14.7 mm | ||
| 38% | 33.7, -97.5 | 26.6°C | 9.0°C | 982.3 mb | 2223.1 m | 16.8 mm | ||
| Midpoint | 33.6, -97.3 | 26.3°C | 8.9°C | 981.1 mb | 2101.0 m | 14.5 mm | ||
| 63% | 33.5, -97.1 | 27.1°C | 7.9°C | 992.6 mb | 2235.0 m | 14.7 mm | ||
| 75% | 33.4, -97.0 | 26.8°C | 7.2°C | 992.2 mb | 2249.6 m | 14.1 mm | ||
| 88% | 33.2, -96.8 | 28.1°C | 5.7°C | 991.9 mb | 2354.5 m | 15.8 mm | ||
| Destination | 33.1, -96.6 | 28.4°C | 6.3°C | 993.9 mb | 2499.5 m | 17.5 mm |
Midpoint vertical profile
18-Hour Propagation Forecast · 10 GHz
→ Steady
Best:
82
at 05:00 UTC
Worst:
74
at 22:00 UTC