From: pat <g4gvw@aol.com>
To: rsgb_lf_group@blacksheep.org
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Date: Wed, 11 Jan 2012 12:23:43 +0000
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Subject: Re: LF: opera 137 beacon going
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Mal,

I recently watched a TV program on the subject of 'Compulsive Obsessive
Behaviour. Although a medical layman, I was prompted to wonder whether
your obsession with CW operation described as the 'ultimate
satisfaction' did not have parallels with some of the cases shown!

I also wonder if your operating practice includes the use of a BFO or
similar as a means of rendering the received CW audible? Surely a
'purist' would prefer to 'listen' to the noise(?) changes rather than
the sounds produced as a result of a heterodyning technology? Perhaps
one might wish to consider developing a final receiver amplification
stage that could output the received signals as HV pulses to electrodes
inserted into the ears - could easily be arranged to be 'the ultimate
satisfaction'

73




On Wed, 2012-01-11 at 10:56 +0000, mal hamilton wrote:
> Well Andy I take it you are not keen on Morse. It is so exciting with a
> human in Control,  your own brain doing all the work instead of watching a
> Black Box. Amazing stuff some would say.
> First Time did you say ?? I recall reading your article about a 700W TX you
> built and you state it BLEW UP several times before it settled down !!
> Buckets of zapped FETS
> G3KEV
> 
> ----- Original Message -----
> From: "Andy Talbot" <andy.g4jnt@gmail.com>
> To: <rsgb_lf_group@blacksheep.org>
> Sent: Wednesday, January 11, 2012 9:56 AM
> Subject: Re: LF: opera 137 beacon going
> 
> 
> Mal - the ultimate satisfaction for some of us is to construct Tx / Rx
> and other things that work first time, and possibly use them, or give
> the deigns awy to others who will.   Or write software, or data modes
> or whatever.
> 
> I get no enjoyment , satisfaction, or anything from even contemplating
> using that morse stuff.  It is a foreign language I was forced to
> learn to get a G4 Licence.  Forced to do in much the same way I had to
> do French O-Level at school, we couldn't opt out.
> 
> So please stop shouting that you consider yourself vastly superior to
> anyone else as you can speak a foreign language.
> 
> 
> Andy
> 'jnt
> 
> 
> On 11 January 2012 09:42, mal hamilton <g3kevmal@talktalk.net> wrote:
> > Roger
> > The ultimate satisfaction for a radio amateur is to construct the TX/RX
> and
> > have the ability and skill to send/receive manual morse then communicate
> > with fellow radio amateurs near and far and have a two way communication.
> > Even more exciting with a QRP rig when you get a reply from Rara Tonga in
> > the Pacific
> > All the other appliance operator data modes are fun but in the end the
> > operator is only observing a machine at work.
> > Over the years I have tried most of the alternative data modes around and
> > had a BBS GB7KEV running for years on both VHF es HF
> > Packet, Amtor, Pactor, RTTY, PSK etc and the newer more recent modes but
> > there is no substitute for the real think like a home built rig and able
> > to pound a morse key.
> > 73 de mal/g3kev
> >
> >
> >
> > ----- Original Message -----
> > From: Roger Lapthorn
> > To: rsgb_lf_group@blacksheep.org
> > Sent: Tuesday, January 10, 2012 7:35 PM
> > Subject: Re: LF: opera 137 beacon going
> >
> > Mal
> >
> > Agreed about working VK/ZL on any HF band with CW and moderate power.
> >
> > However, WSPR, JT65HF, QRSS and OPERA (as examples of weak signal modes)
> > demonstrate that it is possible to communicate over such distances
> regularly
> > with next to no power at all: people are regularly working HF
> > intercontinental DX, or getting amazing beaconing reports, with just a few
> > milliwatts or even microwatts thanks to these new modes. WSPR has
> certainly
> > proved its worth on MF and LF for me beyond any doubt and there is rarely
> a
> > day when a few watts does not get me a 10m WSPR report from Australia; at
> > times just 5mW is enough with my small Homebase10 wire halo. Now whether
> > this digitally assisted communications is more satisfying (or cleverer)
> than
> > working ZL with 100W on 20wpm CW on an HF band I cannot judge.
> >
> > As much as I enjoy modes like WSPR, there is little to compare with
> working
> > DX with a 500mW of CW from a simple homebrew transceiver and antenna.
> There
> > is still plenty of HF CW thank goodness.
> >
> > All the best and 73s
> >
> > Roger G3XBM
> >
> >
> > On 10 January 2012 18:23, mal hamilton <g3kevmal@talktalk.net> wrote:
> >>
> >> Graham
> >> I can work ZL on 10 Mhz on CW frequently and on 160 metres and on any
> band
> >> 160 - 10 metres. no doubt it is interesting to experiment with data but
> it
> >> is so easy on CW for those who know how to hammer the old key.
> >>
> >>
> >> de mal/g3kev
> >>
> >> ----- Original Message -----
> >> From: "Graham" <g8fzk@g8fzk.fsnet.co.uk>
> >> To: <rsgb_lf_group@blacksheep.org>
> >> Sent: Tuesday, January 10, 2012 4:27 PM
> >> Subject: Re: LF: opera 137 beacon going
> >>
> >>
> >> > Amazing , day 10 , ZL> EU decodes on HF 10Mhz and a beacon on
> >> > 136
> >> > will take a look for you later Andy
> >> > Tnx -G
> >>
> >> >
> >> >
> >> >
> >> > --------------------------------------------------
> >> > From: "Andy Talbot" <andy.g4jnt@gmail.com>
> >> > Sent: Tuesday, January 10, 2012 4:06 PM
> >> > To: <rsgb_lf_group@blacksheep.org>
> >> > Subject: LF: opera 137 beacon going
> >>
> >> >
> >> > > Having had to modify a 137kHz source to be able to generate on-off
> >> > > keying, I'm transmitting a signal using 2.048s symbol mode on
> 137420Hz
> >> > > 33% duty cycle (for now)
> >> > >
> >> > > This is based around my PIC generator for the mode
> >> > > Details at http://www.g4jnt.com/PIC_Opera_Source.pdf and
> >> > > http://www.g4jnt.com/OperaBeacon.zip
> >> > >
> >> > > As its an independent source, with no PC in the Tx chain - no IP
> >> > > packets will be sent to t'web showing the details
> >> > >
> >> > > and its definitely gettign out....
> >> > >
> >> > > 15:46 136 G8IMR de F6CNI Op8 391 km -28 dB in 136 kHz dial nr Paris
> >> > >
> >> > >
> >> > > Andy
> >> > > G4JNT
> >> > >
> >> >
> >>
> >>
> >
> >
> >
> > --
> > http://qss2.blogspot.com/
> > http://g3xbm-qrp.blogspot.com/
> > http://www.g3xbm.co.uk
> > https://sites.google.com/site/sub9khz/
> >
> >
> 
> 
>