Path Calculator
Analyze microwave propagation between two points
Link Summary · 47 GHz
Distance
37 mi (60 km)
Bearing
32.4°
Terrain
BLOCKED
Propagation
73/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 47 GHz
FSPL (free-space)
161.4
dB
Gaseous (O₂+H₂O)
3.5
dB
Diffraction loss
63.3
dB
TOTAL PATH LOSS
228.2
dB
Gas rate: 0.0580 dB/km
H₂O: 0.0030 dB/km/g ·
O₂: 0.0400 dB/km
Abs humidity avg: 6.0 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)
-228.2
dB
RX Ant Gain
30.0
dBi
RX Power
-150.2
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-10.2
dB
Path Weather Avg
Temperature
82.7°F
28.1°C
Dewpoint
39.7°F
4.3°C
T/Td Gap
42.9°F
Abs Humidity
6.0 g/m³
Pressure
993.2 mb
PWAT
14.1 mm
BL Depth
2372.0 m
Refrac Gradient
0 N/km
Propagation Factors · 47 GHz
Humidity
100
Rain
100
T-Td Depression
96
PWAT
80
Pressure
70
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 | 32.7, -97.0 | 27.8°C | 5.4°C | 998.2 mb | 2291.4 m | 12.6 mm | ||
| 13% | 32.7, -96.9 | 28.5°C | 3.8°C | 997.9 mb | 2366.4 m | 13.4 mm | ||
| 25% | 32.8, -96.9 | 28.5°C | 3.8°C | 997.9 mb | 2366.4 m | 13.4 mm | ||
| 38% | 32.8, -96.8 | 28.4°C | 3.6°C | 999.3 mb | 2334.7 m | 14.1 mm | ||
| Midpoint | 32.9, -96.8 | 28.6°C | 4.4°C | 998.6 mb | 2409.0 m | 14.4 mm | ||
| 63% | 32.9, -96.7 | 27.6°C | 5.0°C | 993.2 mb | 2412.1 m | 15.4 mm | ||
| 75% | 33.0, -96.7 | 27.6°C | 5.0°C | 993.2 mb | 2412.1 m | 15.4 mm | ||
| 88% | 33.1, -96.7 | 28.2°C | 3.9°C | 994.1 mb | 2377.9 m | 13.9 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 · 47 GHz
→ Steady
Best:
81
at 20:00 UTC
Worst:
63
at 11:00 UTC