Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
110 mi (178 km)
Bearing
124.0°
Terrain
BLOCKED
Propagation
67/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
157.4
dB
Gaseous (O₂+H₂O)
1.2
dB
Diffraction loss
117.6
dB
TOTAL PATH LOSS
276.2
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 6.8 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)
-276.2
dB
RX Ant Gain
30.0
dBi
RX Power
-198.2
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-58.2
dB
Path Weather Avg
Temperature
81.3°F
27.4°C
Dewpoint
42.8°F
6.0°C
T/Td Gap
38.5°F
Abs Humidity
6.8 g/m³
Pressure
982.4 mb
PWAT
13.4 mm
BL Depth
2284.9 m
Refrac Gradient
0 N/km
Propagation Factors · 10 GHz
Rain
100
Pressure
82
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 | 34.1, -98.0 | 28.1°C | 4.3°C | 983.9 mb | 2357.3 m | 11.9 mm | ||
| 13% | 34.0, -97.8 | 27.2°C | 6.1°C | 983.6 mb | 2278.9 m | 12.2 mm | ||
| 25% | 33.9, -97.6 | 27.5°C | 6.5°C | 984.0 mb | 2379.7 m | 14.4 mm | ||
| 38% | 33.8, -97.4 | 26.5°C | 8.4°C | 982.4 mb | 2170.7 m | 15.4 mm | ||
| Midpoint | 33.6, -97.2 | 26.7°C | 6.9°C | 987.3 mb | 2092.0 m | 12.2 mm | ||
| 63% | 33.5, -97.0 | 27.3°C | 7.2°C | 991.7 mb | 2234.2 m | 13.6 mm | ||
| 75% | 33.4, -96.8 | 27.6°C | 5.2°C | 993.6 mb | 2274.0 m | 12.7 mm | ||
| 88% | 33.3, -96.6 | 27.8°C | 5.4°C | 994.2 mb | 2397.3 m | 14.6 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 05:00 UTC
Worst:
75
at 20:00 UTC