Path Calculator
Analyze microwave propagation between two points
Link Summary · 47 GHz
Distance
62 mi (99 km)
Bearing
164.8°
Terrain
BLOCKED
Propagation
72/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 47 GHz
FSPL (free-space)
165.8
dB
Gaseous (O₂+H₂O)
6.1
dB
Diffraction loss
116.4
dB
TOTAL PATH LOSS
288.3
dB
Gas rate: 0.0614 dB/km
H₂O: 0.0030 dB/km/g ·
O₂: 0.0400 dB/km
Abs humidity avg: 7.1 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)
-288.3
dB
RX Ant Gain
30.0
dBi
RX Power
-210.3
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-70.3
dB
Path Weather Avg
Temperature
80.6°F
27.0°C
Dewpoint
44.1°F
6.7°C
T/Td Gap
36.4°F
Abs Humidity
7.1 g/m³
Pressure
986.9 mb
PWAT
14.8 mm
BL Depth
2266.1 m
Refrac Gradient
0 N/km
Propagation Factors · 47 GHz
Rain
100
T-Td Depression
96
Humidity
88
Pressure
82
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 | 34.1, -96.7 | 27.2°C | 7.4°C | 987.0 mb | 2318.3 m | 15.1 mm | ||
| 13% | 33.9, -96.7 | 27.2°C | 7.4°C | 987.0 mb | 2318.3 m | 15.1 mm | ||
| 25% | 33.8, -96.7 | 24.2°C | 11.1°C | 993.3 mb | 2116.1 m | 15.7 mm | ||
| 38% | 33.7, -96.6 | 26.8°C | 8.0°C | 986.9 mb | 2271.6 m | 16.0 mm | ||
| Midpoint | 33.6, -96.6 | 27.4°C | 6.2°C | 990.0 mb | 2225.0 m | 14.7 mm | ||
| 63% | 33.5, -96.6 | 27.2°C | 5.5°C | 987.3 mb | 2248.2 m | 14.7 mm | ||
| 75% | 33.4, -96.5 | 27.5°C | 5.7°C | 993.7 mb | 2316.3 m | 14.8 mm | ||
| 88% | 33.3, -96.5 | 27.6°C | 4.8°C | 995.4 mb | 2290.7 m | 13.7 mm | ||
| Destination | 33.2, -96.5 | 27.6°C | 4.8°C | 995.4 mb | 2290.7 m | 13.7 mm |
Midpoint vertical profile
17-Hour Propagation Forecast · 47 GHz
→ Steady
Best:
81
at 00:00 UTC
Worst:
67
at 12:00 UTC