Technical Resource Page


click to enlarge diagram………


Standard 1/2 Wave  Horizontal Dipole Antenna

Want to build a 1/4 wave, 1/2 wave or full wave  center fed dipole antenna?

Then  use this handy chart as your guideline to calculate how much wire

you’ll need to complete your project.  ( click on chart to enlarge size)

Ham Radio Question Pools

Al  downloadable files on this page are in PDF format.

If you do not have a PDF file reader for you windows based computer then you can download one here:

Current Amateur Licensing Question Pools

Technician 2010 pool pdf

For use on or after July 1, 2010:

The Technician class question pool contains seven schematic diagrams.

General Question Pool   pdf

For use on or after July 1, 2011:

The General class question pool contains  one schematic diagram.

Current Extra Question pool  pdf

For use only until June 30, 2012:

The Extra class question pool contains 12 schematic diagrams

2012 Extra Pool Diagrams   pdf

NEW  EXTRA QUESTION POOL For use on or after July 1, 2012:

NEW Extra class question pool, which will take effect on July 1, 2012, contains multiple schematic diagrams.

2012-2016 Extra Class Diagrams

                                  REVISED 2012-2016 Extra Class Pool (microsoft word doc.)

Practice Amateur Radio Exams online at :