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

42 mi (68 km)

Bearing

284.6°

Terrain

BLOCKED

Propagation

62/100

MARGINAL

HRRR Data

9 / 9 points

Loss Budget · 24 GHz

FSPL (free-space) 156.7 dB

Gaseous (O₂+H₂O) 3.4 dB

Diffraction loss 81.6 dB

TOTAL PATH LOSS 241.6 dB

Gas rate: 0.0495 dB/km

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

Abs humidity avg: 14.7 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) -241.6 dB

RX Ant Gain 30.0 dBi

RX Power -163.6 dBm

Sensitivity (CW) -141.0 dBm

MARGIN -23.6 dB

Path Weather Avg

Temperature

71.9°F

22.2°C

Dewpoint

63.6°F

17.6°C

T/Td Gap

8.3°F

Abs Humidity

14.7 g/m³

Pressure

987.4 mb

PWAT

21.9 mm

BL Depth

239.2 m

Refrac Gradient

-132.3 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	33.0, -95.9	20.9°C	17.7°C	993.3 mb	210.8 m	21.2 mm	348.4	-87.7
13%	33.0, -96.0	22.7°C	18.1°C	994.5 mb	266.4 m	22.0 mm	347.8	-109.8
25%	33.0, -96.1	22.0°C	17.8°C	994.0 mb	246.9 m	21.8 mm	345.4	-113.6
38%	33.0, -96.2	22.0°C	17.8°C	994.0 mb	246.9 m	21.8 mm	345.4	-113.6
Midpoint	33.0, -96.3	22.5°C	17.5°C	992.4 mb	239.3 m	21.8 mm	345.7	-132.3
63%	33.1, -96.4	21.0°C	17.9°C	990.6 mb	216.4 m	21.5 mm	344.4	-119.7
75%	33.1, -96.4	22.2°C	17.6°C	991.0 mb	229.6 m	22.7 mm	345.9	-120.9
88%	33.1, -96.5	22.2°C	17.6°C	991.0 mb	229.6 m	22.7 mm	345.9	-120.9
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: 53 at 00:00 UTC