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Re: uBITX Mic Wireup


 

Jerry,

Having a live mic with a separate, unassociated PTT switch can lead to
inadvertent transmissions if the PTT gets operated accidentally. If the
mic is not live all the time then all you transmit on an accidental PTT
operation is a suppressed carrier which hopefully won't bother anyone.

It doesn't happen a lot but it *does* happen. Someone accidentally
pushes his foot switch with a live mic and sends out a discussion with
the wife (spouse) over the air.

Admittedly you can butt transmit with a PTT CB mic or 2-meter ham mic
if you sit on it. It happens also.

For me, the switch is there in the mic and I don't see any reason not
to use it. If you tear a lot of communication mics apart you will see
that the mic element is wired through the PTT switch on most of them.
Apparently someone thinks its a good idea!

tim ab0wr

On Fri, 09 Mar 2018 07:54:26 -0800
"Jerry Gaffke via Groups.Io" <jgaffke@...> wrote:

How is this an advantage?

On Fri, Mar 9, 2018 at 07:23 am, Tim Gorman wrote:


The mic is only actually connected when the PTT switch is
pushed. ....? ?This is why I recommend using a communications mike
instead of a standalone mic with a separate PTT switch.

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