| A low cost signal generator for 54 MHz to 13.4 GHz - Matthias DD1US V Sympozjum MW i EME - Gajów 2018 |
| A low cost signal generator for 54 MHz to 13.4 GHz - Matthias DD1US https://drive.google.com/open?id=1zYqLOyZS-bXkx_pYlHWM2Taggks0yrt5 http://www.dd1us.de/Downloads/A%20low%20cost%20signal%20generator%202018-06-09%201v0.pdf |