Re: LF: Re: 477 NOV What Modes ?

["Chris" <c.ashby435@btinternet.com>]

Pete, I think the main requirement band plan wise is knowing which section to monitor for QRSS and other narrow modes, as one is restricted to quite a narrow bandwidth, very narrow with the slower QRSS, of course.

Incidentally, how did you know 42 NoVs had been issued for the new band? I cannot find this info on the RSGB website, but not sure where to look....

Chris, G4AYT, Whitstable, Kent.

----- Original Message -----

From: M0FMT

To: rsgb_lf_group@blacksheep.org

Sent: Friday, December 21, 2012 5:21 PM

Subject: Re: LF: Re: 477 NOV What Modes ?

Hi Chris

 

Just seen the dreaded words "Band Plan" I think there are some who would not like this, me included. The Band plan is the RSGB Police-mans weapon of choice. Four meters has gone from a friendly rub along band to a band with abusive RSGB Band Plan individuals that are never heard in QSO's but come out of the wood-work and jam the channel in the name of the Band Plans.

 

So nailing my colours firmly to the mast I say no band plan (well not written in stone anyway). I have even had unsolicited e-mails from Amateurs purporting to be RSGB officials who ought to know better. If OFCOM decree some form of plan like avoiding NDBs and the like well OK but they are the only authority that I am prepared to obey apart from a common sense avoidance of deliberate interference something lost on the channel jammers on VHF!

73 es GL Pete M0FMT IO91UX

 

From: Stefan Endemann <dj2sea@darc.de>
To: rsgb_lf_group@blacksheep.org
Sent: Friday, 21 December 2012, 13:02
Subject: Re: LF: Re: 477 NOV What Modes ?

Hi Pete and Geri,

Codec2 might be a viable medium term solution for real-time compression
of speech for narrow band communication (http://codec2.org/).

There is also an interesting presentation about Codec2 by David Rowe on
youtube: http://www.youtube.com/watch?v=KsywWf8dQgU

73 Stefan, DJ2SEA

-------- Original Message  --------
Subject: Re: LF: Re: 477  NOV  What Modes  ?
From: M0FMT <m0fmt@yahoo.co.uk>
To: rsgb_lf_group@blacksheep.org <rsgb_lf_group@blacksheep.org>
Date: Fri Dec 21 2012 13:37:25 GMT+0100

> Hi again Geri
> 
> I remember the SM stns using normal SSB on a beacon QRG 505 +/-. a
> couple of years ago but not compressed.
> 
> I was thinking that there must be a method or algorithm that has a look
> up table of "diphones" and is able to utilise the repetitive sounds,
> spaces and diphones of the language in use (hard luck German has over
> 2500 Spanish has 800). Thus a real time narrow band communication
> channel carrying only pointing data would result. The outcome will
> probably be a cross between Donald Duck and Stephen Hawking in a channel
> of a few Hz? Any mileage (sorry Kilometreage) in the idea?
> Just thought to make the sound like the sender there could be a real
> time slowed down session of key words to build the diphone library prior
> to the contact so the following QSO would sound nearly normal. This
> library would build over time so the system training would only need one
> session for a particular stn then on future QSOs a call sign entry would
> only be needed...... better stop now I am scaring myself. Maybe get it
> all on one PIC...... not?
> http://en.wikipedia.org/wiki/Speech_synthesis
> 
> 73 es GL Pete M0FMT IO91UX
>
>    *From:* Holger 'Geri' DK8KW DI2BO W1KW <geri@dk8kw.de>
>    *To:* "rsgb_lf_group@blacksheep.org" <rsgb_lf_group@blacksheep.org>
>    *Cc:* "<rsgb_lf_group@blacksheep.org>" <rsgb_lf_group@blacksheep.org>
>    *Sent:* Friday, 21 December 2012, 11:16
>    *Subject:* Re: LF: Re: 477 NOV What Modes ?
>
>    Markus and I once had a successful "Slow SSB" QSO on 137 kHz years
>    ago in our German 800 Hz bandwidth limitation. We slowed down normal
>    voice four times, transmitted it over SSB and expanded it again by
>    reversing the process ... using the full 7 kHz would make a fine AM
>    signal, indeed ... perhaps even a low deviation FM signal would do?
>
>    Be creative, by 73
>
>    Geri, DK8KW
>
>    m
>    On 21.12.2012, at 10:34, "Chris" <c.ashby435@btinternet.com
>    <mailto:c.ashby435@btinternet.com>> wrote:
>
>>    All modes, as per the licence and 136/7 band.
>>    Roger, yes, a couple of us are thinking about some QRP AM across
>>    town (subject to non QRM to other locals), and why not?
>>    Some sort of agreed band plan would be helpful ASAP as well.
>>    My two NoVs were dated 20th. December, but it does say 'Date of
>>    Issue', which isn't the same as 'Date of Commencement', 'With
>>    Effect From' or whatever. It was clear from the Ofcom site where
>>    the link was that the NoV comes into effect on 1st. January.
>>    Vy 73, Chris, G4AYT, Whitstable, Kent.
>>
>>        ----- Original Message -----
>>        *From:* Graham <mailto:g8fzk@g8fzk.fsnet.co.uk>
>>        *To:* rsgb_lf_group@blacksheep.org
>>        <mailto:rsgb_lf_group@blacksheep.org>
>>        *Sent:* Thursday, December 20, 2012 5:04 PM
>>        *Subject:* LF: 477 NOV What Modes ?
>>
>>        Starting  1/1/13  .. but    What Modes  non  listed , only 
>>        the  power ??
>>         
>>        G..
>>
>
>
>     
>