Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
160 mi (258 km)
Bearing
98.2°
Terrain
BLOCKED
Propagation
68/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
160.7
dB
Gaseous (O₂+H₂O)
1.8
dB
Diffraction loss
129.0
dB
TOTAL PATH LOSS
291.5
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)
-291.5
dB
RX Ant Gain
30.0
dBi
RX Power
-213.5
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-73.5
dB
Path Weather Avg
Temperature
80.5°F
27.0°C
Dewpoint
42.0°F
5.5°C
T/Td Gap
38.6°F
Abs Humidity
6.5 g/m³
Pressure
970.0 mb
PWAT
12.8 mm
BL Depth
2281.3 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 | 33.6, -99.2 | 27.0°C | 5.0°C | 970.0 mb | 2322.1 m | 12.9 mm | ||
| 13% | 33.5, -98.9 | 26.8°C | 5.7°C | 972.8 mb | 2266.1 m | 12.8 mm | ||
| 25% | 33.5, -98.5 | 27.8°C | 4.5°C | 975.5 mb | 2275.3 m | 12.8 mm | ||
| 38% | 33.4, -98.2 | 27.1°C | 3.6°C | 980.2 mb | 2244.0 m | 10.3 mm | ||
| Midpoint | 33.4, -97.8 | 26.5°C | 5.2°C | 979.8 mb | 2261.7 m | 11.8 mm | ||
| 63% | 33.3, -97.5 | 24.9°C | 9.3°C | 985.6 mb | 2215.8 m | 14.1 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:
81
at 07:00 UTC
Worst:
68
at 02:00 UTC