Yes Andy, so far it is very very encouraging....with limited usage it
seems to address the "what mode it that" question...more trials are
needed though...
73 and be well,
Bill N9DSJ
--- In digitalradio@yahoogroups.com, "Andrew O'Brien" <[EMAIL PROTECTED]>
wrote:
>
> Has anyone played around with this new Multipsk feature yet ?
>
> Andy K3Uk
>
> > 3) Reed-Solomon identifier for automatic detection of the digital
> mode and the frequency (automatic tuning).
> >
> > This identifier permits to, automatically, locate, any digital
> transmission done in one of the RX/TX modes handled by Multipsk (91
> modes and sub-modes in 4.1.1 version). It is detected, in one hand,
> the used mode and, in the other hand, the central frequency of the
> identifier (which is also the central frequency of the
transmission),
> with a precision of +/- 2.7 Hz. As soon as this identifier is
> received, Multipsk switches on the received mode and frequency and
> decodes immediatly the QSO in progress or the call (CQ). This
> identifier is transmitted in 1.4 sec and has a bandwidth of 172 Hz.
> Its detection is done down to a Signal to Noise ratio of -14 dB
> (without missing at -12 dB), so with a sensitivity equal or better
> than the one of the majority of the digital modes (RTTY, PSK31...).
> >
> >
>
Need a Digital mode QSO? Connect to Telnet://cluster.dynalias.org
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