Next lesson, Radio Procedures. A whole 45 minutes worth of the difference between "Roger" and "Wilco". One is to the action addressee, one could be to either the action addressee or the info addressee blah, blah
for 45 mins.
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At the end of the lesson Enderby seeks to check us, as usual:
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"Right then, lads, what IS the difference between Roger and Wilco........wait for it.....wait for it..........Sp**g.
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Sp**g, quick as a flash responds:
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"Sir, you can't Wilco a cat"