Welcome to the "Technical Data" page or The "Elmer's Corner".
If you have an item that you feel should be included send it or a link to
webmaster [at] NELARC [dot] org.

From QST: PL-259s a better way

Radio spectrum wall chart

W4RNL's (SK) top (5) antennas

A practical guide to grounding

Are you erecting a tower? Have you even thought about doing it?
Do you really know what you need to do or how to do it? You need answers.
Here they are in a 40 MB Rohn tower book a must have for every ham

How meters work

How to use an oscilloscope on YouTube, and NA5N's tutorial PDF

How much voltage drop per wire gauge

Would like build your own low power transmitter and a receiver to match?
Frank Harris (K0IYE) shows you how to do it .

Ohms Law pie chart