Path Profiler & Link Budget

Click two points on the map to generate an elevation profile and calculate link viability.

Metric

Imperial

Elevation Profile (Includes Earth Curvature)

Set Site A (Tx)

Set Site B (Rx)

* Change map style using the layer control in the top right of the map. Elevation: AWS Terrain Tiles (© Mapzen; SRTM, EU-DEM and others), bare-earth. Fallback: Open-Meteo.

Path Statistics

Total Distance: -

Site A Elev: -

Site B Elev: -

Bearing (A to B): -

Antenna Heights

Site A Height (m)

Site B Height (m)

Point-to-Point Link Budget Calculator

Choose a suggested setup or enter your own equipment. Place both sites on the map for a full terrain check, or type a distance for a quick free-space estimate.

Link

Suggested Setup

Band

Frequency (MHz)

Distance (km)

Transmitter (Tx)

Tx Power (dBm)

Tx Antenna Gain (dBi)

Tx Cable Type

Tx Total Loss (dB)

Receiver (Rx)

Rx Antenna Gain (dBi)

Rx Cable Type

Rx Total Loss (dB)

Rx Sensitivity (dBm)

Results

EIRP: -

Free Space Path Loss: -

Diffraction Loss: -

Ground Reflection: -

Expected Rx Level: -

Clearance Needed: -

System Operating Margin - Waiting for a distance

Advanced settings — refraction, clutter, ground reflection. Defaults suit most UK links.

k-Factor (Refraction)

Clutter Height (m)

Clutter-Free Radius at Sites (m)

Ground Reflection

Polarisation