joe smith | The NanoVNA, Viewer Questions and Answers @joesmith-je3tq | Uploaded September 2019 | Updated October 2024, 4 days ago.
In this video I cover several of viewer's technical questions. Several topics are covered including TDR, Beatty Standards, T-Check, full 2-port measurements, transfer relays and more ....

Rohde Schwarz published a paper on the T-Check:
scdn.rohde-schwarz.com/ur/pws/dl_downloads/dl_application/application_notes/1ez43/1ez43_0e.pdf

Link to my eevblog posts:
eevblog.com/forum/rf-microwave/nanovna-custom-software/msg2563374/#msg2563374

Groups.io:
groups.io/g/nanovna-users

Source for the NanoVNA:
github.com/ttrftech/NanoVNA