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

72 mi (116 km)

Bearing

19.2°

Terrain

BLOCKED

Propagation

62/100

MARGINAL

HRRR Data

9 / 9 points

Loss Budget · 24 GHz

FSPL (free-space) 161.4 dB

Gaseous (O₂+H₂O) 5.7 dB

Diffraction loss 106.1 dB

TOTAL PATH LOSS 273.1 dB

Gas rate: 0.0486 dB/km

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

Abs humidity avg: 14.3 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) -273.1 dB

RX Ant Gain 30.0 dBi

RX Power -195.1 dBm

Sensitivity (CW) -141.0 dBm

MARGIN -55.1 dB

Path Weather Avg

Temperature

71.6°F

22.0°C

Dewpoint

62.7°F

17.1°C

T/Td Gap

8.9°F

Abs Humidity

14.3 g/m³

Pressure

987.0 mb

PWAT

23.1 mm

BL Depth

228.5 m

Refrac Gradient

-133.8 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	32.1, -97.0	20.3°C	17.3°C	987.2 mb	172.3 m	21.2 mm	347.4	-121.2
13%	32.3, -97.0	21.0°C	17.1°C	989.3 mb	189.4 m	21.7 mm	346.5	-127.9
25%	32.4, -96.9	21.7°C	16.9°C	990.6 mb	235.4 m	23.4 mm	344.6	-133.8
38%	32.5, -96.9	21.9°C	16.7°C	987.0 mb	215.1 m	23.3 mm	344.6	-101.8
Midpoint	32.6, -96.8	21.2°C	17.1°C	988.2 mb	201.3 m	23.9 mm	344.2	-92.1
63%	32.7, -96.8	22.4°C	17.6°C	995.8 mb	256.6 m	24.8 mm	345.3	-103.8
75%	32.9, -96.7	23.3°C	17.1°C	992.3 mb	274.3 m	24.2 mm	344.2	-101.9
88%	33.0, -96.7	22.2°C	17.8°C	991.0 mb	245.8 m	23.3 mm	346.6	-90.0
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 21:00 UTC Worst: 58 at 01:00 UTC