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

69 mi (110 km)

Bearing

312.0°

Terrain

BLOCKED

Propagation

54/100

MARGINAL

HRRR Data

9 / 9 points

Loss Budget · 24 GHz

FSPL (free-space) 160.9 dB

Gaseous (O₂+H₂O) 5.6 dB

Diffraction loss 101.1 dB

TOTAL PATH LOSS 267.7 dB

Gas rate: 0.0508 dB/km

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

Abs humidity avg: 15.4 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) -267.7 dB

RX Ant Gain 30.0 dBi

RX Power -189.7 dBm

Sensitivity (CW) -141.0 dBm

MARGIN -49.7 dB

Path Weather Avg

Temperature

72.1°F

22.3°C

Dewpoint

64.9°F

18.3°C

T/Td Gap

7.2°F

Abs Humidity

15.4 g/m³

Pressure

997.2 mb

PWAT

39.4 mm

BL Depth

524.8 m

Refrac Gradient

-108.5 N/km

Propagation Factors · 24 GHz

Rain 100

Refractivity 72

Pressure 70

Sky Cover 50

Wind 50

Season 47

T-Td Depression 38

PWAT 35

Time of Day 18

Humidity 0

Atmospheric Profile

HRRR (3 km) Valid 2026-05-10 21:00 UTC 9 path samples

Point	Lat, Lon	Temp	Dewpt	Press	HPBL	PWAT	N_s	dN/dh
Source	32.5, -95.6	26.3°C	19.6°C	997.3 mb	567.3 m	38.1 mm	356.5	-70.4
13%	32.6, -95.7	25.4°C	19.2°C	1000.7 mb	605.4 m	38.0 mm	351.9	-60.5
25%	32.7, -95.8	24.6°C	17.7°C	1002.2 mb	535.4 m	38.6 mm	345.9	-51.7
38%	32.8, -95.9	23.6°C	18.1°C	999.4 mb	501.5 m	39.7 mm	348.9	-61.8
Midpoint	32.9, -96.0	21.5°C	17.9°C	1000.6 mb	508.4 m	40.1 mm	350.5	-108.5
63%	32.9, -96.1	20.9°C	18.4°C	999.9 mb	516.6 m	40.1 mm	354.0	-82.0
75%	33.0, -96.2	18.9°C	17.8°C	999.4 mb	415.5 m	39.2 mm	353.9	-53.7
88%	33.1, -96.3	18.9°C	17.7°C	997.6 mb	472.8 m	39.3 mm	354.1	-63.8
Destination	33.2, -96.5	20.1°C	17.9°C	997.2 mb	600.2 m	41.5 mm	353.7	-58.9

Midpoint vertical profile

17-Hour Propagation Forecast · 24 GHz

→ Steady

Best: 54 at 05:00 UTC Worst: 41 at 04:00 UTC