FSPL & Terrain Profile (Loc1/Loc2)

Map

Loc 1

Lat Lon

Ant height (m) Maidenhead

Loc 2

Lat Lon

Ant height (m) Maidenhead

LOS k-factor Show LOS circles Buildings only if < 3m clearance

Building highlight (Yellow → Red)

Yellow 0% Red

Buildings are fetched from OSM only within a 60m corridor around the link line, and only shown if vertical clearance to LOS is < 3m. Buildings overlay/profile is disabled when the link distance is > 50 km.

Distance

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Bearing

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Tip: first map click sets Loc 1, second click sets Loc 2. After that, map clicks are locked until you clear a location; the next click sets the cleared location. You can also drag markers.

FSPL / Link Budget

Frequency (MHz) Tx Power (dBm)

Advanced (gains/losses, noise, sensitivity)

Tx Gain (dBi) Rx Gain (dBi)

Cable Loss (dB) Misc Loss (dB)

Tx SWR Rx Sensitivity (dBm)

Bandwidth (MHz) Noise Figure (dB)

Manual Noise Floor (dBm)

Set to -999 to auto-calc thermal + NF.

FSPL

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SWR mismatch

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Rx power

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Noise floor

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SNR

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Margin

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Terrain profile