Here you can find a fairly large Test Equipment and Ham Radio Manuals repository, covering (mostly) obsolete test equipment such as HP/Agilent/Keysight, Tektronix, Fluke and many others.
You can also find a number of documents and projects related to Precision Timing, such as the Trimble Thunderbolt Monitor kit project.
The Timing section includes links to Bruce Griffiths' Precision Timing pages that are chock full of information and designs for the precision timing enthusiast.
The Ham Radio pages cover a number of topics, particularly the Tower Project that was featured in QST, the publication of the ARRL.
The Test Equipment pages include information on GPIB control and answers many common questions
The Electronics pages contains useful information and projects, including a tutorial in Electronic Circuit Design, software tools, Computer Audio tips and tools and a number of projects you can build.
The Wiki includes externally provided content like selections from the mailing lists I frequent and more details about selected projects.
Use the menu at the top to navigate the site.
Thank you for your visit!