Path Calculator

Analyze microwave propagation between two points

Source

Destination ( or grid)

Band

TX Power (dBm)

TX Height (ft)

TX Gain (dBi)

RX Height (ft)

RX Gain (dBi)

Link Summary · 24 GHz

Distance

30 mi (48 km)

Bearing

244.7°

Terrain

BLOCKED

Propagation

62/100

MARGINAL

HRRR Data

9 / 9 points

Loss Budget · 24 GHz

FSPL (free-space) 153.6 dB

Gaseous (O₂+H₂O) 2.3 dB

Diffraction loss 46.5 dB

TOTAL PATH LOSS 202.5 dB

Gas rate: 0.0490 dB/km

H₂O: 0.0020 dB/km/g · O₂: 0.0200 dB/km

Abs humidity avg: 14.5 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) -202.5 dB

RX Ant Gain 30.0 dBi

RX Power -124.5 dBm

Sensitivity (CW) -141.0 dBm

MARGIN 15.5 dB

Path Weather Avg

Temperature

72.3°F

22.4°C

Dewpoint

63.1°F

17.3°C

T/Td Gap

9.2°F

Abs Humidity

14.5 g/m³

Pressure

986.9 mb

PWAT

22.0 mm

BL Depth

237.2 m

Refrac Gradient

-123.7 N/km

Propagation Factors · 24 GHz

Rain 100

Pressure 82

Refractivity 72

T-Td Depression 60

PWAT 60

Time of Day 55

Sky Cover 50

Wind 50

Season 47

Humidity 0

Atmospheric Profile

HRRR (3 km) Valid 2026-05-15 08:00 UTC 9 path samples

Point	Lat, Lon	Temp	Dewpt	Press	HPBL	PWAT	N_s	dN/dh
Source	33.3, -96.2	20.6°C	18.0°C	988.1 mb	246.4 m	22.5 mm	347.7	-102.5
13%	33.3, -96.2	22.0°C	17.5°C	986.9 mb	228.7 m	21.5 mm	346.1	-123.7
25%	33.3, -96.3	22.0°C	17.5°C	986.9 mb	228.7 m	21.5 mm	346.1	-123.7
38%	33.2, -96.3	22.6°C	17.1°C	991.2 mb	233.9 m	21.8 mm	344.3	-122.6
Midpoint	33.2, -96.4	22.6°C	17.1°C	991.2 mb	233.9 m	21.8 mm	344.3	-122.6
63%	33.2, -96.4	22.9°C	17.0°C	988.8 mb	237.3 m	21.9 mm	344.2	-123.5
75%	33.2, -96.5	22.2°C	17.6°C	991.0 mb	229.6 m	22.7 mm	345.9	-120.9
88%	33.1, -96.6	22.2°C	17.6°C	991.0 mb	229.6 m	22.7 mm	345.9	-120.9
Destination	33.1, -96.6	24.1°C	16.0°C	987.4 mb	266.6 m	22.0 mm	339.6	-91.5

Midpoint vertical profile

18-Hour Propagation Forecast · 24 GHz

→ Steady

Best: 64 at 08:00 UTC Worst: 56 at 23:00 UTC