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

68 mi (110 km)

Bearing

203.4°

Terrain

BLOCKED

Propagation

62/100

MARGINAL

HRRR Data

9 / 9 points

Loss Budget · 24 GHz

FSPL (free-space) 160.9 dB

Gaseous (O₂+H₂O) 5.3 dB

Diffraction loss 110.6 dB

TOTAL PATH LOSS 276.8 dB

Gas rate: 0.0481 dB/km

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

Abs humidity avg: 14.1 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) -276.8 dB

RX Ant Gain 30.0 dBi

RX Power -198.8 dBm

Sensitivity (CW) -141.0 dBm

MARGIN -58.8 dB

Path Weather Avg

Temperature

72.8°F

22.6°C

Dewpoint

62.3°F

16.8°C

T/Td Gap

10.4°F

Abs Humidity

14.1 g/m³

Pressure

980.5 mb

PWAT

22.8 mm

BL Depth

268.0 m

Refrac Gradient

-140.2 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 1

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, -96.1	21.5°C	17.7°C	988.8 mb	308.3 m	25.2 mm	351.7	-140.2
13%	33.9, -96.2	20.9°C	18.5°C	989.7 mb	256.9 m	24.0 mm	348.4	-118.9
25%	33.8, -96.3	22.7°C	16.8°C	991.3 mb	262.8 m	22.5 mm	340.0	-119.1
38%	33.7, -96.3	22.0°C	17.3°C	988.7 mb	283.7 m	23.8 mm	340.4	-91.6
Midpoint	33.6, -96.4	23.0°C	16.1°C	986.2 mb	255.8 m	22.3 mm	338.5	-99.3
63%	33.5, -96.4	23.5°C	16.0°C	980.5 mb	284.1 m	21.7 mm	340.0	-101.4
75%	33.3, -96.5	23.2°C	16.2°C	987.0 mb	256.9 m	21.8 mm	339.7	-108.6
88%	33.2, -96.6	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 08:00 UTC Worst: 57 at 16:00 UTC