[ARC5] Nomenclature Nuances
Leslie Smith
vk2bcu at operamail.com
Sun Apr 24 17:39:43 EDT 2016
Well Mike, I want to congratulate you for following a convention
precisely.
Precision of this type simplifies many things, and reduces the
possibility of error.
Moreover it costs nothing.
In the past I wrote about the common error of denoting MegaHertz as
"mHz".
Offenders will excuse their incorrect notation, saying, "The meaning is
obvious".
This point is often correct, but recently I notice the error widening,
where I see mH used to denote one microHenry and at this point the
error opens the door to serious misunderstanding. Richard Feynman
would NOT approve!
I notice you make your correction delicately!
Well done!
73 de Les Smith
vk2bcu at operamail.com
On Mon, Apr 25, 2016, at 06:34, Mike Morrow wrote:
> Jack wrote:
>
> > Oops, that should have been SCR-274N.
>
> Well...picking nits...there has never been a "SCR-274N". It is correct
> only as "SCR-274-N". The popular ham custom of omitting the hyphen
> between 4 and N violates the standard taxonomy and application of the
> pre-JAN Signal Corps nomenclature system.
>
> Similar: Incorrect BC-348R vs. BC-348-R.
>
> Hyphens are so inexpensive that there seems to be little profit from
> economizing on them where they are wanted. :-)
>
> In contrast, in JAN-land the opposite convention is used. Nomenclature
> for a modified component or system like
>
> R-23A/ARC-5 or R-148/ARC-5X
>
> is incorrectly expressed if a hyphen is inserted as in
>
> R-23-A/ARC-5 or R-148/ARC-5-X.
>
> Of course...the earth won't stop spinning...but imagine how much more
> effective and efficient web searches for equipment would be if proper
> nomenclature format had been used everywhere. Impossible dream!
>
> Mike / KK5F
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