March, 2014:
Updated the VNA homemade calibration standards page with the standards models for the HP 8753C VNA.

December, 2013:
Added the From the bench section, with practical information on bench measurements and current projects.

July, 2013:
New projects in the amateur radio and electronics sections.

January, 2013:
Added some more projects in the electronics section.

January, 2010:
Released glfer 0.4.2 to allow selecting any control port for the transmitter.


External links:


In these pages you will find some material related to my amateur radio activity; IN3OTD is the call sign assigned to my amateur station in Italy.
To me, being a ham means mostly experimenting with radio-related electronics circuits and devices and I hope that the material you will find here will be useful also for your projects.



Added several new sections:

Amateur radio projects


Site overview:

There are several (overlapping) sections, where I add new material every now and then, when I find something I think could be of interest also to other hams:

Please don't forget to sign my guestbook!
Update: the guestbook system seems to broken since some time, so the guestbook is currently not available.