20141012_173932The completed original version of the signal tracer. The completed original version of the signal tracer.
![[Image]](https://www.pa3hcm.nl/wp-content/uploads/2014/11/20141012_173932.jpg)
![[image]](https://www.pa3hcm.nl/wp-content/uploads/2013/12/enh-logo1.jpg){kind=logo}