1. Place endpoints A and B.

• Use the Place point buttons and click on the map, or enter latitude / longitude manually in the side cards.
• Set antenna heights in meters for A and B.

2. Set frequency.

• Enter frequency in MHz in the top bar (for example 2400 for 2.4 GHz, 5800 for 5.8 GHz).

3. Read the chart.

• Green / red line — optical line of sight (LOS).
• Brown line — terrain and Earth curvature (plus obstacles).
• Blue line — lower boundary of the first Fresnel zone (F1).
• The vertical dashed line shows the worst point along the path.

4. Obstacles and beacons.

• Use + Obstacle to add extra objects (towers, trees). Their height is added on top of terrain.
• Use + Beacon to place intermediate points (relays) and see separate profiles “Beacon → target”.

5. Deleting and undo.

• Activate delete mode to remove obstacles or beacons by clicking on them.
• Use Undo to revert the last change.

6. Export & share.

• Use Export to save PNG, PDF or TXT report.
• Use Share link to copy a URL with the current configuration.