HF Skywave Lab

Ionosphere Virtual Height 350 km

Takeoff Angle (θ) 25.0°

Hop Count 2

1-Hop Skip Dist

Dead zone cutoff

Total Ground Path

Great-circle reach

True Slant Range

Actual RF air path

1-Way Prop Latency

@ speed of light

Drag the TX (Transmitter) beacon along Earth to reposition