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MECA Electronics Attenuators

International Radiotelegraphic Convention
List of Abbreviations to Be Used Radio Communication
Audel's Handy Book of Practical Electricity

Audel's Handy Book of Practical Electricity - RF Cafe

Audel's Handy Book of Practical Electricity

My grandfather, Roland (my middle name) Somers, on my mother's side was a residential (aka house) builder. He owned and operated a small (2-3 employees) business in Mayo, Maryland in the middle of the last century. Being his only grandson, I got what survived of his books like this Audel's Handy Book of Practical Electricity, c1942, by Theo. udel & Co. Publishers. I also have a couple of his carpentry and hand tool books of the era. 

The scanned page below is entitled, "List of Abbreviations to Be Used Radio Communication," as dictated by the International Radiotelegraphic Convention (IRC). Amateur radio operators will recognize the list as being a collection of the familiar "Q" Signals, although stated in sometimes archaic prose; e.g., QRN = "Are the atmospherics strong?" and QSB = "Is my spark bad?"

The book is filled with good information on motors and generators, switching and control circuits, electrical theory, and other stuff still valid today. The section on knob-and-tube wiring can probably be skipped. I used to see that stuff in turn-of-the-20th century houses when working as an electrician back in the 1970s.

International Radiotelegraphic Convention List of Abbreviations to be Used Radio Communication

International Radiotelegraphic Convention List of Abbreviations to be Used Radio Communication- RF Cafe

 

Posted June 27, 2019

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RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...

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