I was pulled up the other day in a millisecond by some tosser who followed my transmission with a "your on guard". The error of my ways notwithstanding i politley pointed out that i had in fact wrongly transmitted my first call on vhf after oceanic on 12345 instead of the atc freq.
I emphasised that I was not in fact on guard but on 12345 and advised him in my best anglo saxon of the "general manner in which i wished him to proceed" off :thanking him for his inter ference at the same time....what a ****