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

85 mi (137 km)

Bearing

222.2°

Terrain

BLOCKED

Propagation

62/100

MARGINAL

HRRR Data

9 / 9 points

Loss Budget · 24 GHz

FSPL (free-space) 162.8 dB

Gaseous (O₂+H₂O) 6.8 dB

Diffraction loss 115.8 dB

TOTAL PATH LOSS 285.4 dB

Gas rate: 0.0492 dB/km

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

Abs humidity avg: 14.6 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) -285.4 dB

RX Ant Gain 30.0 dBi

RX Power -207.4 dBm

Sensitivity (CW) -141.0 dBm

MARGIN -67.4 dB

Path Weather Avg

Temperature

71.5°F

21.9°C

Dewpoint

63.3°F

17.4°C

T/Td Gap

8.1°F

Abs Humidity

14.6 g/m³

Pressure

986.2 mb

PWAT

23.5 mm

BL Depth

253.2 m

Refrac Gradient

-147.4 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	34.0, -95.6	21.0°C	17.8°C	990.7 mb	288.6 m	25.7 mm	353.0	-128.9
13%	33.9, -95.7	20.5°C	18.2°C	994.5 mb	227.5 m	26.9 mm	353.2	-147.4
25%	33.8, -95.9	21.4°C	17.3°C	990.1 mb	256.3 m	23.9 mm	345.2	-102.0
38%	33.7, -96.0	21.4°C	17.6°C	990.7 mb	253.3 m	23.5 mm	347.5	-86.4
Midpoint	33.6, -96.1	21.4°C	18.0°C	990.2 mb	244.3 m	22.9 mm	346.7	-100.8
63%	33.5, -96.2	22.1°C	17.6°C	986.2 mb	254.9 m	22.4 mm	348.0	-125.9
75%	33.4, -96.4	22.6°C	17.1°C	986.2 mb	250.2 m	22.0 mm	345.4	-122.6
88%	33.2, -96.5	22.9°C	17.0°C	988.8 mb	237.3 m	21.9 mm	344.2	-123.5
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: 56 at 17:00 UTC