Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
152 mi (244 km)
Bearing
100.6°
Terrain
BLOCKED
Propagation
68/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
160.2
dB
Gaseous (O₂+H₂O)
1.7
dB
Diffraction loss
126.1
dB
TOTAL PATH LOSS
288.0
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 6.9 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)
-288.0
dB
RX Ant Gain
30.0
dBi
RX Power
-210.0
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-70.0
dB
Path Weather Avg
Temperature
80.1°F
26.7°C
Dewpoint
43.2°F
6.2°C
T/Td Gap
36.9°F
Abs Humidity
6.9 g/m³
Pressure
970.0 mb
PWAT
13.3 mm
BL Depth
2288.3 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% | 33.4, -98.5 | 27.8°C | 4.5°C | 975.5 mb | 2275.3 m | 12.8 mm | ||
| 38% | 33.4, -98.2 | 27.4°C | 5.3°C | 980.1 mb | 2299.4 m | 12.8 mm | ||
| Midpoint | 33.3, -97.9 | 26.5°C | 5.2°C | 979.8 mb | 2261.7 m | 11.8 mm | ||
| 63% | 33.3, -97.6 | 26.1°C | 6.5°C | 985.1 mb | 2315.1 m | 12.9 mm | ||
| 75% | 33.2, -97.3 | 26.2°C | 9.6°C | 992.0 mb | 2131.5 m | 14.8 mm | ||
| 88% | 33.2, -96.9 | 24.4°C | 10.4°C | 997.5 mb | 2345.3 m | 15.1 mm | ||
| Destination | 33.1, -96.6 | 28.2°C | 3.9°C | 994.1 mb | 2377.9 m | 13.9 mm |
Midpoint vertical profile
17-Hour Propagation Forecast · 10 GHz
→ Steady
Best:
81
at 07:00 UTC
Worst:
68
at 02:00 UTC