Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
37 mi (59 km)
Bearing
32.0°
Terrain
BLOCKED
Propagation
71/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
147.9
dB
Gaseous (O₂+H₂O)
0.4
dB
Diffraction loss
64.0
dB
TOTAL PATH LOSS
212.3
dB
Gas rate: 0.0069 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 14.9 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)
-212.3
dB
RX Ant Gain
30.0
dBi
RX Power
-134.3
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
5.7
dB
Path Weather Avg
Temperature
69.6°F
20.9°C
Dewpoint
63.8°F
17.7°C
T/Td Gap
5.9°F
Abs Humidity
14.9 g/m³
Pressure
993.4 mb
PWAT
39.2 mm
BL Depth
480.0 m
Refrac Gradient
-73.4 N/km
Propagation Factors · 10 GHz
Rain
100
Humidity
95
T-Td Depression
75
Pressure
70
PWAT
70
Season
68
Refractivity
55
Sky Cover
50
Wind
50
Time of Day
18
Atmospheric Profile
HRRR (3 km) Valid 2026-05-10 21:00 UTC 9 path samples| Point | Lat, Lon | Temp | Dewpt | Press | HPBL | PWAT | Ns | dN/dh |
|---|---|---|---|---|---|---|---|---|
| Source | 32.7, -97.0 | 22.3°C | 17.7°C | 996.8 mb | 507.0 m | 44.6 mm | 349.4 | -53.8 |
| 13% | 32.7, -96.9 | 22.4°C | 17.9°C | 997.1 mb | 505.2 m | 38.6 mm | 352.3 | -59.1 |
| 25% | 32.8, -96.9 | 22.4°C | 17.9°C | 997.1 mb | 505.2 m | 38.6 mm | 352.3 | -59.1 |
| 38% | 32.8, -96.8 | 22.3°C | 17.4°C | 999.1 mb | 491.9 m | 38.1 mm | 349.8 | -64.4 |
| Midpoint | 32.9, -96.8 | 20.7°C | 17.6°C | 998.3 mb | 433.5 m | 37.3 mm | 352.1 | -73.4 |
| 63% | 33.0, -96.7 | 19.7°C | 17.5°C | 993.4 mb | 482.7 m | 37.7 mm | 353.7 | -63.8 |
| 75% | 33.0, -96.7 | 19.7°C | 17.5°C | 993.4 mb | 482.7 m | 37.7 mm | 353.7 | -63.8 |
| 88% | 33.1, -96.7 | 19.4°C | 17.8°C | 995.0 mb | 456.2 m | 40.3 mm | 354.2 | -62.2 |
| Destination | 33.1, -96.6 | 19.4°C | 17.8°C | 995.0 mb | 456.2 m | 40.3 mm | 354.2 | -62.2 |
Midpoint vertical profile
17-Hour Propagation Forecast · 10 GHz
→ Steady
Best:
73
at 13:00 UTC
Worst:
64
at 02:00 UTC