[hpsdr] HPSDR(Mercury, Pannylane, adn Metiz) and PowerSDR version

[Riho B., ES7AAZ]

Hi Helmut,

Agreed. Most frequently I've seen 2.9kHz SSB signals on HF and therefore I
personally use 2.8kHz and 3kHz W1AEX SSB TX profiles. In fact, there are
people running 2.7kHz of audio that splatter across very wide bandwidth.

--
*73,*
*Riho ES7AAZ*

Kontakt Helmut Oeller (<dc6ny at gmx.de>) kirjutas kuupäeval E, 18. oktoober
2021 kell 16:23:

> ***** High Performance Software Defined Radio Discussion List *****
>
> Hi Riho,
>
> in most countries on this globe the SSB-bandwidth is limited by local
> law to 2700 Hz net. BTW this also complies with the ITU regulations.
> More bandwidth make no sense as SNR drops and  no more readability can
> be achieved. On crowded low bands it's also a symbol of courtesy to
> claim not more than 3 KHz. We need no imitators of BBC speakers.
>
> 73, Helmut, DC6NY
>
>
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