Path Calculator
Analyze microwave propagation between two points
Link Summary · 47 GHz
Distance
92 mi (147 km)
Bearing
154.0°
Terrain
BLOCKED
Propagation
73/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 47 GHz
FSPL (free-space)
169.2
dB
Gaseous (O₂+H₂O)
9.1
dB
Diffraction loss
125.2
dB
TOTAL PATH LOSS
303.6
dB
Gas rate: 0.0616 dB/km
H₂O: 0.0030 dB/km/g ·
O₂: 0.0400 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)
-303.6
dB
RX Ant Gain
30.0
dBi
RX Power
-225.6
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-85.6
dB
Path Weather Avg
Temperature
81.6°F
27.6°C
Dewpoint
44.5°F
6.9°C
T/Td Gap
37.1°F
Abs Humidity
7.2 g/m³
Pressure
972.6 mb
PWAT
15.4 mm
BL Depth
2291.9 m
Refrac Gradient
0 N/km
Propagation Factors · 47 GHz
Rain
100
T-Td Depression
96
Pressure
88
Humidity
87
PWAT
80
Season
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 | 34.4, -97.1 | 26.2°C | 8.8°C | 972.6 mb | 2229.0 m | 15.2 mm | ||
| 13% | 34.2, -97.1 | 28.1°C | 7.1°C | 989.9 mb | 2353.3 m | 14.2 mm | ||
| 25% | 34.1, -97.0 | 27.9°C | 6.7°C | 985.1 mb | 2320.6 m | 14.1 mm | ||
| 38% | 33.9, -96.9 | 28.4°C | 7.5°C | 993.1 mb | 2326.1 m | 19.1 mm | ||
| Midpoint | 33.8, -96.8 | 27.8°C | 8.2°C | 992.7 mb | 2296.1 m | 16.7 mm | ||
| 63% | 33.6, -96.7 | 27.3°C | 7.7°C | 990.2 mb | 2242.8 m | 16.2 mm | ||
| 75% | 33.5, -96.6 | 27.3°C | 6.0°C | 987.4 mb | 2252.5 m | 15.0 mm | ||
| 88% | 33.3, -96.5 | 27.5°C | 5.7°C | 993.7 mb | 2316.3 m | 14.8 mm | ||
| Destination | 33.2, -96.5 | 27.6°C | 4.8°C | 995.4 mb | 2290.7 m | 13.7 mm |
Midpoint vertical profile
18-Hour Propagation Forecast · 47 GHz
→ Steady
Best:
79
at 22:00 UTC
Worst:
66
at 13:00 UTC