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To: rsgb_lf_group@blacksheep.org
Date: Wed, 13 Aug 2008 10:07:14 -0400
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Subject: Re: LF: new cw yahoo group
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Andy, I am hoping to get a slot like that to describe the keying and 
readout device which are intended to meet a "green" agenda being in the 
case of the latter instrument a low energy electrostatic device for 
home construction using bits of pencil, knitting needle, cotton thread 
and strips of aluminium foil - all components not to be found in 
"appliances".


73 de Pat g4gvw
QTH Near FELIXSTOWE, UK

Thought for today:

What politicians do for science, hopefully science will do for them one 
day!


-----Original Message-----
From: Andy Talbot <andy.g4jnt@googlemail.com>
To: rsgb_lf_group@blacksheep.org
Sent: Wed, 13 Aug 2008 7:57
Subject: Re: LF: new cw yahoo group










Your dual tone proposal is an excellent idea but suffers from one
major drawback for LF.  Being a dual tone sysytem, it requires a
linear transmitter.   If you could adapt the scheme to a single tone
only version, say by using two adjacent time slots, that would
overcome the linearity problem.  Listeners woud then have to remeber
teh position of teh first slot and mentally place this with the tone
of the second one.

Subject for a future Data column perhaps.   Most slots are filled, but
April 2009 may be available ;-)

Andy  G4JNt


2008/8/12  <g4gvw@aol.com>:
>
> Hi All,
> I am inviting comments on a new mode that might help to satisfy both 
the
> "traditionalists" and the hankerers after new technology.
>
> My project is based on the visual semaphore but using a two tone 
system to
> define the positions of the flags. The frequency of each tone would 
define
> the angular position of each flag. Ideally, the sending speed would 
bear a
> relationship to the sender's speech rhythms and would therefore be 
almost
> infinitely variable as between characters but have a mean speed 
suitable to
> the allowed bandwidth thereby giving the equivalent of "fist". A 
"space"
> tone between characters would be a fixed frequency to be used as a 
pilot
> tone allowing synchronisation of tone detectors.
>
> I intend to call this system "Interupted Pilot Tone Dual Frequency 
Modulated
> Continuous Wave Semaphore Equivalent Signalling Telegraphy" or 
IPTDFMCWSEST"
> !
>
> So may we please now end all these silly arguments about "appliance
> operators" while I return to local ragchews on my frequency modulated
> dishwasher and loaded dipolar strimmer!
>
>
> 73 de Pat g4gvw
> QTH Near FELIXSTOWE, UK
>
> Thought for today:
>
> What politicians do for science, hopefully science will do for them 
one day!
>
>
> -----Original Message-----
> From: hajo.brandt.dj1zb@t-online.de
> To: rsgb_lf_group@blacksheep.org
> Sent: Tue, 12 Aug 2008 13:05
> Subject: Re: LF: new cw yahoo group
>
>
>
>
>
>
>
>
>
>
> As far as I know commercial morse services never tried to use the 
morse
> code for printing.
>
> For printing the teletype machines have been invented, a technology 
with
> allows many additional features to be designed, a process still 
ongoing.
> Therefore I would recommend everybody not willing to learn the morse
> code to follow the examples of commercial teletypers. But everybody 
may
> do what he thinks would make him happy.
>
> As I have grown up with the morse code I find it fully sufficient for
> what I have to communicate over radio, to keep technology simple. I
> guess I would never had come to amateur radio around 1950 if I had to
> struggle with complex communication modes as featured today.
>
> 73 Ha-Jo, DJ1ZB
>
>
> "mal hamilton" <g3kevmal@talktalk.net> schrieb:
>>
>> The appliance operators DELIGHT !!!
>> No skill required, just fumble about on a keyboard, no Ears needed.
>
> Some
>>
>> elocution lessons and a microphone might be a more suitable mode.
>> G3KEV
>>
>>
>> ----- Original Message -----
>> From: "Andy Talbot" <andy.g4jnt@googlemail.com>
>> To: <rsgb_lf_group@blacksheep.org>
>> Sent: Tuesday, August 12, 2008 11:13 AM
>> Subject: Re: LF: new cw yahoo group
>>
>>
>> > Excellent.
>> >
>> > And if more people used computer generated morse for transmitting,
>
> the
>>
>> > decoding software would be more reliable still.  We don't want any
>
> of
>>
>> > this hand sent, badly formatted stuff :-)
>> >
>> > Andy  G4JNT
>> >
>> > 2008/8/12 Peter Cleall <peter.cleall@virgin.net>:
>> >>
>> >> Saw this and thought it was amusing in the light of recent
>
> postings.
>>
>> >>
>> >>
>> >> Yahoo mail group dedicated to
>> >> CW without CW skills !    Check it at
>> >> http://groups.yahoo.com/group/CW_Blasphemy/
>> >>
>> >> The group focuses on software for receiving and sending CW , plus
>> >> gives tips for getting on the CW bands  with NO CW skills (thus 
the
>> >> group's name).  Emphasis is on contesting and DXing with CW
>
> software.
>>
>> >>
>> >> peter
>> >>
>> >>
>> >
>> >
>> >
>> > --
>> > Andy G4JNT
>> > www.scrbg.org/g4jnt
>> >
>> >
>> > No virus found in this incoming message.
>> > Checked by AVG - http://www.avg.com
>> > Version: 8.0.138 / Virus Database: 270.6.1/1605 - Release Date:
>
> 8/11/2008
>>
>> > 4:59 PM
>> >
>> >
>> >
>>
>>
>>
>
>
>
>
>
>
>
>
> 
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--
Andy G4JNT
www.scrbg.org/g4jnt







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