[Elecraft] Data mode and filters
Joe Subich, W4TV
lists at subich.com
Thu May 7 09:21:57 EDT 2015
On 2015-05-07 8:30 AM, Harry Yingst via Elecraft wrote:
> By that thought we should all be using 1.8 KHz Filters on TX
ITU and by extension the FCC which incorporates the particular
definitions in Part 1 of the regulations, defines communications
quality audio as 2.7KHz (300 Hz to 3 KHz). I'm happy to leave
the definitions and regulations to them. I'm not happy with
the lids who are passing DC to 5 KHz in busy (crowded) bands
and running that through amplifiers with high levels of IMD.
73,
... Joe, W4TV
On 2015-05-07 8:30 AM, Harry Yingst via Elecraft wrote:
> By that thought we should all be using 1.8 KHz Filters on TX and RTTY should be scrapped in favor of PSK31.
>
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> I have no problem with ESSB, what I do have a problem with is those intentionally snuggling up close to them to cause QRM when the rest of the band is wide open.
>
> As licensed Amateurs, we should realize that we share the bands with others.
> Our interest may not be the same as theirs but we should have enough common decency as to not act in a way as to spoil the enjoyment of those we share the bands with.
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> From: "Joe Subich, W4TV" <lists at subich.com>
> To: elecraft at mailman.qth.net
> Sent: Wednesday, May 6, 2015 1:55 PM
> Subject: Re: [Elecraft] Data mode and filters
>
>
> On 2015-05-06 12:41 PM, David Cole wrote:
> > But Joe... There is an ESSB on and off control... :)
>
> Correct and ESSB in the K3 is a maximum of 4 KHz wide for
> those who feel the need to act like children and generate
> wider than normal QRM.
>
> 73,
>
> ... Joe, W4TV
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> On 2015-05-06 12:41 PM, David Cole wrote:
>> But Joe... There is an ESSB on and off control... :)
>>
>> Sorry, I hate ESSB and had too..
>>
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