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

73 mi (118 km)

Bearing

304.3°

Terrain

BLOCKED

Propagation

62/100

MARGINAL

HRRR Data

9 / 9 points

Loss Budget · 24 GHz

FSPL (free-space) 161.5 dB

Gaseous (O₂+H₂O) 5.8 dB

Diffraction loss 105.7 dB

TOTAL PATH LOSS 273.0 dB

Gas rate: 0.0489 dB/km

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

Abs humidity avg: 14.4 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) -273.0 dB

RX Ant Gain 30.0 dBi

RX Power -195.0 dBm

Sensitivity (CW) -141.0 dBm

MARGIN -55.0 dB

Path Weather Avg

Temperature

72.0°F

22.2°C

Dewpoint

63.0°F

17.2°C

T/Td Gap

9.0°F

Abs Humidity

14.4 g/m³

Pressure

987.4 mb

PWAT

20.7 mm

BL Depth

230.2 m

Refrac Gradient

-129.5 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	32.5, -95.6	21.0°C	17.9°C	994.4 mb	195.4 m	19.3 mm	343.5	-90.7
13%	32.6, -95.7	21.6°C	17.2°C	995.9 mb	213.6 m	19.3 mm	342.1	-96.9
25%	32.7, -95.8	22.2°C	16.3°C	992.7 mb	212.3 m	18.4 mm	339.0	-120.4
38%	32.7, -96.0	22.5°C	17.4°C	994.8 mb	236.8 m	19.5 mm	344.6	-124.1
Midpoint	32.8, -96.1	22.1°C	17.3°C	994.0 mb	246.3 m	20.9 mm	342.5	-129.5
63%	32.9, -96.2	23.4°C	17.1°C	993.0 mb	244.9 m	21.5 mm	345.4	-103.1
75%	33.0, -96.4	21.4°C	17.6°C	989.8 mb	223.7 m	22.3 mm	344.1	-103.8
88%	33.0, -96.5	21.7°C	18.0°C	992.9 mb	231.8 m	23.0 mm	346.1	-100.3
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: 65 at 14:00 UTC Worst: 54 at 00:00 UTC