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G0TEZ > LED 02.08.13 21:56l 42 Lines 1423 Bytes #999 (0) @ WW
BID : 060264G0TEZ
Read: GUEST
Subj: Re: G0TEZ > The easy way!
Path: IZ3LSV<ED1ZAC<GB7CIP
Sent: 130802/2030Z @:GB7CIP.#32.GBR.EU #:31527 [Caterham Surrey GBR] $:060264G0
From: G0TEZ@GB7CIP.#32.GBR.EU
To : LED@WW
Hi Warren and anyone else who cares.
Sorry about that, C&G is shorthand for the City and Guilds of London eaxam,
followed by a number. It usually has a 1st and second class pass.
The C&G 41, now abandoned was an exam in Radio, TV and Electronics servicing.
It was aimed mainly at professionals, so it was tougher than our RA Class 'A'
exam. It went up to calculating the resonant freqency of a cct (or AE) A
knowledge of exactly how FM worked which involved knowing some trigonometry.
An understanding of calculus was also handy.
The practical side of the vesion I took involved building an audio amp, a
superhet RX, then the front end and PSU.
After that we built a TV set from basic parts, later I did an update to
computers. It is surprising how many people who mend computers don't actually
know how they work especially the part played by the clock in seperating data
from commands which is basic. Along with mending various makes and models of
computer, not just PCs, we learnt to programme in binary and three versions of
assembler, as well as COBOL,Algol,PL1 and all the other high level languages.
It was a very good training but the C&G 41 was abandoned in the 1980s. I
believe they have a C&G in "TV repair" but I don't know what it involves.
73 - Ian, G0TEZ @ GB7CIP
Message timed: 19:04 on 2013-Aug-02 GMT+1
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