SM 5 BSZ - >The RADAR mode
(Dec 7 2012)
The RADAR mode can be used for many purposes. The Tx side of Linrad has not been touched since version 02.52 and it might not work in recent versions that support portaudio.

Receiving one's own echoes from meteors, the moon or just ordinary ionospheric phenomena is fun. Here is a link on what can be done: Linrad in RADAR mode. Perseids 2008