[TenTec] Re: TX Audio Rolloff [Was: Question regarding Omni VI+ on
SSB]
doc
kd4e at verizon.net
Thu Nov 25 13:44:51 EST 2004
Jim Brown wrote:
> I've never owned a Jupiter, so this is an educated guess. I suspect it is a
> low-cut for the transmit audio. I would set it by ear listening to your
> transmit audio and by getting signal reports from smart guys on the
> other end, but somewhere in the 400 Hz range is probably a good
> starting point.
>
> Think of it this way -- anything below 400 Hz is useless for
> communications. Telephones, for example, transmit nothing below
> about 400 Hz. But your mic will produce a lot of audio below 400 Hz,
> and that will use up transmitter power. so filtering it out is a good thing.
I have not had the time to explore my Jupiter settings --
are you saying that the settings allow the user to select
both upper and lower level rolloff?
So you'd recommend rolloff below 400 and above 2,000?
--
Thanks! & 73, doc kd4e
West Central Florida 100% Linux. Suse 9.2
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