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 Show obstacle overlay

Obstacle source

Building highlight (Yellow → Red)

Yellow 0% Red

Distance

—

Bearing

—

Warning: LOS circles do not overlap.

Tip: clear Loc 1 or Loc 2 first. The next map click sets only the cleared location.

Terrain profile

More functions below

FSPL / Link Budget

Frequency (MHz) Tx Power

Advanced (gains/losses, noise, sensitivity)

Tx Gain (dBi) Rx Gain (dBi)

Cable Loss (dB) Misc Loss (dB)

Tx SWR Rx Sensitivity (dBm)

Bandwidth (MHz) Rx Manual Noise Floor (dBm)

FSPL

—

SWR mismatch

—

Rx power

—

Noise floor

—

SNR

—

Margin

—

S-reading

—

S-reading is only an estimate based on Rx power. Real radio S-meters are not standardized.