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

209 mi (337 km)

Bearing

242.4°

Terrain

BLOCKED

Propagation

63/100

MARGINAL

HRRR Data

9 / 9 points

Loss Budget · 24 GHz

FSPL (free-space) 170.6 dB

Gaseous (O₂+H₂O) 15.6 dB

Diffraction loss 148.0 dB

TOTAL PATH LOSS 334.2 dB

Gas rate: 0.0463 dB/km

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

Abs humidity avg: 13.2 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) -334.2 dB

RX Ant Gain 30.0 dBi

RX Power -256.2 dBm

Sensitivity (CW) -141.0 dBm

MARGIN -116.2 dB

Path Weather Avg

Temperature

67.9°F

19.9°C

Dewpoint

60.2°F

15.6°C

T/Td Gap

7.7°F

Abs Humidity

13.2 g/m³

Pressure

980.2 mb

PWAT

24.7 mm

BL Depth

175.9 m

Refrac Gradient

-226.1 N/km

Propagation Factors · 24 GHz

Rain 100

Refractivity 85

Pressure 82

PWAT 60

Time of Day 55

Sky Cover 50

Wind 50

Season 47

T-Td Depression 38

Humidity 4

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	34.6, -93.4	17.7°C	13.0°C	991.4 mb	166.2 m	25.0 mm	324.3	-116.4
13%	34.4, -93.8	18.9°C	11.8°C	980.2 mb	271.1 m	23.0 mm	326.2	-130.0
25%	34.2, -94.2	17.5°C	13.5°C	988.7 mb	71.8 m	26.4 mm	333.7	-148.3
38%	34.0, -94.6	19.0°C	15.6°C	999.3 mb	75.0 m	28.2 mm	342.9	-226.1
Midpoint	33.8, -95.0	19.4°C	17.6°C	998.6 mb	131.8 m	26.7 mm	352.0	-144.8
63%	33.7, -95.4	19.5°C	18.6°C	992.7 mb	189.0 m	24.5 mm	355.9	-146.2
75%	33.5, -95.8	21.3°C	17.1°C	991.0 mb	182.8 m	25.0 mm	342.8	-127.9
88%	33.3, -96.2	22.0°C	17.5°C	986.9 mb	228.7 m	21.5 mm	346.1	-123.7
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: 63 at 14:00 UTC Worst: 53 at 00:00 UTC