​Collins Radio Equipment

Service and Modification Information

​Articles in this website may be reproduced in ​other amateur radio publications, unless otherwise indicated, if the following conditions are met:

1.  The publication MUST be non profit.  That is, there is NOTHING charged for the publication.  This restriction does not apply for bonafied amateur radio organization's dues.

​2.  The copyright notice MUST be maintained.

​3.  No editing, at all, is to be done.  That is, the entire text, of the article must be presented with NO CHANGES at all!

4.​  The name of the author MUST maintained and no other names added.

​5.  A copy of the publication MUST be furnished to Glen E. Zook, K9STH

​Please note that all files are in PDF format.

Lightning Protection and Radio Frequency Grounding

To use with various graphics programs, it may be desired to utilize GIF or JPEG files instead of the PDF files which are available from this website.  If those files are needed, request which files are needed from the following E-Mail address:  k9sth@sbcglobal.net.

Again, state which QSL card design is to be used.  It may take a few days before the file is sent.  Therefore, please be patient.

Additional articles will be added from time to time

​Check this website on a regular basis to see what is added.

​General Interest Articles

General Technical Information

​"Boat Anchor" Cabinet Paint Formulas

Heathkit Radio Equipment

​Service and Modification Information

"Olde Tyme" QSL Card Designs

The following are templates for printing QSL card designs from the 1950s and 1960s.  The artwork files can be downloaded and then modified using any number of graphics programs.  Where specific colors are used, the graphics formulas for those colors are indicated.