Yes, lots of modern transceivers have a dedicated data mode, but they're
generally too wide for optimal RTTY reception. In contrast, consider the
Twin Peak filter available on recent Icom transceivers, for example; it's
only available with the transceiver's mode set to RTTY.
73,
Dave, 8P9RY
From: digitalradio@yahoogroups.com [mailto:digitalra...@yahoogroups.com] On
Behalf Of g4ilo
Sent: Tuesday, March 09, 2010 6:59 PM
To: digitalradio@yahoogroups.com
Subject: [digitalradio] Re: 1976 FCC - Delete all Emission Types from Part
97
I've heard this argument many times, Dave, but whilst it was probably true
10 or more years ago, surely all decent modern transceivers have a dedicated
data mode that allows the use of narrow filters? Heck, even the humble
FT-817 has one.
Julian, G4ILO
--- In digitalradio@yahoogroups.com <mailto:digitalradio%40yahoogroups.com>
, "Dave AA6YQ" <aa...@...> wrote:
>
> The advantage of using FSK is that one can take advantage of the excellent
> RTTY filters built into some transceivers. These filters are generally not
> available when operating in USB/LSB. This is particularly important to
> contesters operating in a crowded environment and DXers dealing with weak
> signals.
