Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
153 mi (247 km)
Bearing
97.3°
Terrain
BLOCKED
Propagation
68/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
160.3
dB
Gaseous (O₂+H₂O)
1.7
dB
Diffraction loss
127.8
dB
TOTAL PATH LOSS
289.8
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 6.5 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)
-289.8
dB
RX Ant Gain
30.0
dBi
RX Power
-211.8
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-71.8
dB
Path Weather Avg
Temperature
80.8°F
27.1°C
Dewpoint
41.6°F
5.3°C
T/Td Gap
39.2°F
Abs Humidity
6.5 g/m³
Pressure
970.8 mb
PWAT
12.7 mm
BL Depth
2287.9 m
Refrac Gradient
0 N/km
Propagation Factors · 10 GHz
Rain
100
Pressure
88
PWAT
75
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 | 33.5, -99.1 | 26.9°C | 4.2°C | 970.8 mb | 2283.3 m | 11.9 mm | ||
| 13% | 33.5, -98.8 | 27.1°C | 5.6°C | 977.4 mb | 2299.4 m | 13.1 mm | ||
| 25% | 33.4, -98.4 | 27.3°C | 5.0°C | 977.9 mb | 2274.0 m | 12.6 mm | ||
| 38% | 33.4, -98.1 | 27.1°C | 3.6°C | 980.2 mb | 2244.0 m | 10.3 mm | ||
| Midpoint | 33.3, -97.8 | 26.8°C | 5.5°C | 985.4 mb | 2284.5 m | 12.4 mm | ||
| 63% | 33.3, -97.4 | 26.0°C | 7.5°C | 985.4 mb | 2259.3 m | 13.2 mm | ||
| 75% | 33.3, -97.1 | 26.7°C | 7.8°C | 993.3 mb | 2228.5 m | 13.2 mm | ||
| 88% | 33.2, -96.8 | 28.1°C | 4.7°C | 992.1 mb | 2338.5 m | 14.1 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:
72
at 01:00 UTC