RE: Units
Posted by
Barry Garratt on
Dec 08, 2008; 5:49pm
URL: http://elecraft.85.s1.nabble.com/Poor-man-s-beverage-and-diversity-tp1623198p1630072.html
Actually a radian is an angular measurement whereas a Hertz (hertz) is a
frequency measurement.
1 radian = 57.2958 degrees
1 hertz = 1 cycle per second
Barry VE3CDX/W7
-----Original Message-----
From: Jon K Hellan [mailto:
[hidden email]]
Sent: Monday, December 08, 2008 5:14 AM
To: Elecraft Reflector
Subject: Re: [Elecraft] Units
Bill W5WVO wrote:
> Silly thread -- :-) -- but it is important to keep one's facts
> straight. The Cycle per Second was named the Hertz in compliance with
> a long tradition in the scientific community of naming scientific
> units of measure after the folks who did seminal work in those areas
> of science. Mssrs Alessandro Volta (voltage), Andre-Marie Ampere
> (current), Georg Ohm (resistance), James Watt (power), Nicola Tesla
> (magnetic flux density), Blaise Pascal (pressure), and Isaac Newton
> (force), to name just a few I can think of off the top of my head,
> were all "just men". :-) Heinrich Hertz (electromagnetic frequency)
> takes his rightful place in this pantheon proudly.
But given that the radian already is an SI unit, the Hz is redundant.
Radians/s is sufficient.
Jon LA4RT
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