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35ed5c4e48
Updated Lyndon Nerenberg's radio callsign and E-mail address. PR: bin/7868 Submitted by: Lyndon Nerenberg <lyndon@orthanc.ca> MFC after: 1 week
202 lines
5.2 KiB
Groff
202 lines
5.2 KiB
Groff
.\" Copyright (c) 2000 Alexey Zelkin. All rights reserved.
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.\" Copyright (c) 1988, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)bcd.6 8.1 (Berkeley) 5/31/93
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.\" $FreeBSD$
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.\"
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.Dd June 7, 2005
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.Dt MORSE 6
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.Os
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.Sh NAME
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.Nm morse
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.Nd reformat input as morse code
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.Sh SYNOPSIS
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.Nm
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.Op Fl elps
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.Op Fl d Ar device
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.Op Fl w Ar speed
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.Op Fl c Ar speed
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.Op Fl f Ar frequency
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.Op Ar string ...
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.Sh DESCRIPTION
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The
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.Nm
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command reads the given input and reformats it in the form of morse code.
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Acceptable input are command line arguments or the standard input.
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.Pp
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Available options:
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.Bl -tag -width indent
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.It Fl l
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The
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.Fl l
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option produces output suitable for
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.Xr led 4
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devices.
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.It Fl s
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The
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.Fl s
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option produces dots and dashes rather than words.
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.It Fl p
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Send morse the real way.
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This only works if your system has
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.Xr speaker 4
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support.
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.It Fl w Ar speed
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Set the sending speed in words per minute.
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If not specified, the default
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speed of 20 WPM is used.
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.It Fl c Ar speed
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Farnsworth support.
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Set the spacing between characters in words per minute.
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This is independent of the speed
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that the individual characters are sent.
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If not specified, defaults to the effective value of the
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.Fl w
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option.
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.It Fl f Ar frequency
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Set the sidetone frequency to something other than the default 600 Hz.
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.It Fl d Ar device
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Similar to
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.Fl p ,
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but use the RTS line of
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.Ar device
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(which must by a TTY device)
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in order to emit the morse code.
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.It Fl e
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Echo each character before it is sent, used together with either
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.Fl p
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or
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.Fl d .
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.El
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.Pp
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The
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.Fl w , c
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and
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.Fl f
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flags only work in conjunction with either the
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.Fl p
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or the
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.Fl d
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flag.
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.Pp
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Not all prosigns have corresponding characters.
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Use
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.Ql #
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for
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.Em AS ,
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.Ql &
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for
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.Em SK ,
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.Ql *
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for
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.Em VE
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and
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.Ql %
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for
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.Em BK .
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The more common prosigns are
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.Ql =
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for
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.Em BT ,
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.Ql \&(
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for
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.Em KN
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and
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.Ql +
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for
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.Em AR .
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.Pp
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Using the
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.Fl d
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flag,
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it is possible to key an external device, like a sidetone generator with
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a headset for training purposes, or even your ham radio transceiver.
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For
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the latter, simply connect an NPN transistor to the serial port
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.Ar device ,
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emitter connected to ground, base connected through a resistor
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(few kiloohms) to RTS, collector to the key line of your transceiver
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(assuming the transceiver has a positive key supply voltage and is keyed
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by grounding the key input line).
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A capacitor (some nanofarads) between
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base and ground is advisable to keep stray RF away,
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and to suppress the
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minor glitch that is generated during program startup.
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.Sh ENVIRONMENT
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Your
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.Ev LC_CTYPE
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locale codeset determines how
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characters with the high-order bit set
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are interpreted.
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.Pp
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.Bl -tag -width ".Li ISO8859-15" -compact
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.It Li ISO8859-1
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.It Li ISO8859-15
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Interpret characters with the high-order bit set as Western European characters.
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.Pp
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.It Li KOI8-R
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Interpret characters with the high-order bit set as Cyrillic characters.
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.Pp
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.It Li ISO8859-7
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Interpret characters with the high-order bit set as Greek characters.
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.El
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.Sh FILES
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.Bl -tag -width ".Pa /dev/speaker" -compact
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.It Pa /dev/speaker
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.Xr speaker 4
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device file
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.El
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.Sh SEE ALSO
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.Xr speaker 4
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.Sh HISTORY
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Sound support for
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.Nm
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added by
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.An Lyndon Nerenberg (VE6BBM) Aq lyndon@orthanc.ca .
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.Pp
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Ability to key an external device added by
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.An J\(:org Wunsch
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(DL8DTL).
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.Pp
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Farnsworth support for
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.Nm
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added by
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.An Stephen Cravey (N5UUU).
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.Sh BUGS
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Only understands a few European characters
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(German and French),
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no Asian characters,
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and no continental landline code.
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.Pp
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Sends a bit slower than it should due to system overhead.
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Some people would call this a feature.
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