If anyone on here has worked with Aeroflot or Russian AF in the 60s they'll know what muffled R/T is!
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Originally Posted by HEATHROW DIRECTOR
(Post 9881462)
If anyone on here has worked with Aeroflot or Russian AF in the 60s they'll know what muffled R/T is!
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With a pre-flying background in broadcast quality comms engineering, my two pence worth:
Please everybody use a windshield on your microphone. If you don't, the receive station hears a breathy/scratchy sound accompanying your speech, along with the 'plosive'sounds: 'B' 'P' etc, which distort your transmissions and makes them less intelligible to the receiver. This will mean you have to repeat yourself more often. If you don't use a windshield, the microphone will gradually fill up with spit and dust etc which will cause it to reduce and distort the electrical output. A noise cancelling microphone needs to be close to and directly in front of the mouth to work properly - so that if you pursed your lips, they would touch the windshield. Even if the microphone is a only couple of inches away from the mouth, or below the mouth, the person receiving your transmission will hear mostly background noise - "say again?". Feel the microphone through the windshield to make sure it is facing your mouth and has not twisted to be edge on. Speak normally but key the PTT a split second before speaking. The transmitter will not transmit instantly you key the switch, but takes a moment to check the transmit circuits and frequency are stable and correct before passing your speech. Unless you wait a split second your first word(s) will be clipped off: "station calling?". I often get a hard time for saying these things, but it would improve the clarity of comms a lot if we could all follow these easy and simple steps. :ok: |
Professional pilots and ATCOs should know how to use microphones and most use lightweight headsets anyway.
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Windshield? Doesn't get windy in ATC ops rooms unless certain people have eaten curry the night before.
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Professional pilots and ATCOs should know how to use microphones I'm grateful for people like Uplinker giving the occasional nudge on the basics :D Another basic that pilots are sometime guilty of:- using a hand-mic in front of a loudspeaker. OUCH! |
Well, they ought to be familiar with CAP 413 and there are full details of microphone usage there.
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Who to chat to in the rest room. The person who can quote CAP 413, or the person who has a life???
Answers on a postcard.......... |
Good luck with your LCE Nimmer.
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Get up to date HD called a UCE now!!!
Don't think I have ever been asked anything out of CAP 413, however I need some help getting to sleep will start reading. |
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