Message-ID: <495D1607.7090907@toya.net.pl>
Date: Thu, 01 Jan 2009 20:14:15 +0100
From: =?UTF-8?B?UGlvdHIgTcWCeW5hcnNraQ==?= <sq7mpj@toya.net.pl>
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Subject: Re: LF: NON MORSE
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mal hamilton wrote:

> I have been looking around the various HF bands for NON MORSE acty 
> and find  that the old RTTY is the most prolific mode in use, it looks 
> like the use of other data modes are rare, perhaps more suited to 
> V/UHF EME work etc.
> g3kev
>  

Hello Mal., LF  group
i do not agree with you.  I guess if  you  had taken more time for  your 
watch of HF bands your conclusions would be different.
it is sometimes  useful to  extend time basis for making more reliable 
"averages " , hi.  in my opinion it is  PSK31  as  #1  these days.
Of course from historical reasons rtty  dominated in ether  for many 
years but  the last decade has changed it  when  DSP 
techniques came into play along with PC's in almost every house etc... . 
btw, rtty  as you know is based on a Baudot code known before
 radio waves were 'discovered' and used  to carry information . the 
popularity of rtty is based on the selfsynchronizing properties of the
 7bit Baudod code ( 1 start bit one stop bit + 5 bits for 
letters/nonletters dot, hyphen....)  it is not arq mode  so you can 
listen to it anytime etc..
like CW which is also  itself selfsynchronizing i.e you know very well 
when it is started stopped etc... PSK  works the same way -  from all
so called 'digital' modes it  is like a live qso with its speed similar 
to CW and so one and the selfsynchronizing properties due to the 
varicode of G3PLX
are great !  that is why , in my opinion psk31 wins these days.  my 
first psk qso was almost 10 years ago and i work mainly psk on HF bands  
tiill now.
 I  do think it is the most popular digi mode at present.

Dear Mal, here is one issue more ...
i do observe the ongoing discussion between you and others concerning 
the CW vs other modes.  in a moment i will add my comment to this
  but in the form of example of one of my psk qso which i will remember  
forever. it was  in the early 2000's  when the prop was not that bad
 and i had regular(everyday basis)  qso  with US stations at the 
evenings on 14 Mhz . it was an  american callsign - i do not remember  
it ( but can look into my logbook if you want)  but what i do remember 
he was 86 years old  , all time ( both his work and his hobby) a CW 
operator   but by that time he was deaf, completely deaf  and he told 
me" Peter, i can not use my EARS  i am a deaf person i can not use CW 
anymore but i can use my EYES and due to psk i still can enjoy my 
radiohobby"  - please, excuse my english but the sense of  the words of 
this old man is obvious.
so  at least two points are emerging...
1.  we have ears we have eyes  =  both human senses  can be used  to  
'read' the information which modulates the radiowave
2.  the dsp techniiques are more superior  to CW these days as far as 
S/N is concerned

                                         again, HNY  2009 , yours, 
peter, sq7mpj

qth:   lodz, poland /jo91rs/



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mal hamilton wrote:
<blockquote cite=3D"mid008b01c96c2f$03ecc0c0$0301a8c0@mal769a60aa920"   type=
=3D"cite">
  <meta http-equiv=3D"Content-Type" content=3D"text/html; ">
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  <div><font face=3D"Arial" size=3D"2">I have been looking around the
various HF bands for NON MORSE acty and=C2=A0find=C2=A0 that the old RTTY is=
 the
most prolific mode in use, it looks like the use of other data modes
are rare, perhaps more suited to V/UHF EME work etc.</font></div>
  <div><font face=3D"Arial" size=3D"2">g3kev</font></div>
  <div>=C2=A0</div>
</blockquote>
Hello Mal., LF=C2=A0 group<br>
i do not agree with you.=C2=A0 I guess if=C2=A0 you=C2=A0 had taken more tim=
e for=C2=A0
your watch of HF bands your conclusions would be different. <br>
it is sometimes=C2=A0 useful to=C2=A0 extend time basis for making more reli=
able
"averages " , hi.=C2=A0 in my opinion it is=C2=A0 PSK31=C2=A0 as=C2=A0 #1=
=C2=A0 these days.<br>
Of course from historical reasons rtty=C2=A0 dominated in <i>ether</i>=C2=
=A0 for
many years but=C2=A0 the last decade has changed it=C2=A0 when=C2=A0 DSP=C2=
=A0 <br>
techniques came into play along with PC's in almost every house etc...
. btw, rtty=C2=A0 as you know is based on a Baudot code <b>known before <br>
=C2=A0radio waves were 'discovered' and used=C2=A0 to carry information</b>=20=
. the
popularity of rtty is based on the selfsynchronizing properties of the<br>
=C2=A07bit Baudod code ( 1 start bit one stop bit + 5 bits for
letters/nonletters dot, hyphen....)=C2=A0 it is not arq mode=C2=A0 so you ca=
n
listen to it anytime etc..<br>
like CW which is also=C2=A0 itself selfsynchronizing i.e you know very well
when it is started stopped etc... PSK=C2=A0 works the same way -=C2=A0 from=20=
all <br>
so called 'digital' modes it=C2=A0 is like a<b> live qso</b> with its speed
similar to CW and so one and the selfsynchronizing properties due to
the varicode of G3PLX<br>
are great !=C2=A0 that is why , in my opinion psk31 wins these days.=C2=A0 m=
y
first psk qso was almost 10 years ago and i work mainly psk on HF
bands=C2=A0 tiill now.<br>
=C2=A0I=C2=A0 do think it is the most popular digi mode at present. <br>
<br>
Dear Mal, here is one issue more ...<br>
i do observe the ongoing discussion between you and others concerning
the CW vs other modes.=C2=A0 in a moment i will add my comment to this<br>
=C2=A0 but in the form of example of one of my psk qso which i will
remember=C2=A0 forever. it was=C2=A0 in the early 2000's=C2=A0 when the prop=
 was not
that bad<br>
=C2=A0and i had regular(everyday basis)=C2=A0 qso=C2=A0 with US stations at=20=
the
evenings on 14 Mhz . it was an=C2=A0 american callsign - i do not remember=
=C2=A0
it ( but can look into my logbook if you want)=C2=A0 but what i do remember
he was 86 years old=C2=A0 , all time ( both his work and his hobby) a CW
operator=C2=A0=C2=A0 but by that time he was deaf, completely deaf=C2=A0 and=
 he told
me" Peter, i can not use my EARS=C2=A0 i am a deaf person i can not use CW
anymore but i can use my EYES and due to psk i still can enjoy my
radiohobby"=C2=A0 - please, excuse my english but the sense of=C2=A0 the wor=
ds of
this old man is obvious. <br>
so=C2=A0 at least two points are emerging...<br>
1.=C2=A0 we have ears we have eyes=C2=A0 =3D=C2=A0 both human senses=C2=A0 c=
an be used=C2=A0 to=C2=A0
'read' the information which modulates the radiowave<br>
2.=C2=A0 the dsp techniiques are more superior=C2=A0 to CW these days as far=
 as
S/N is concerned<br>
<br>
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0 again, HNY=C2=A0 2009 , yours,
peter, sq7mpj<br>
<br>
qth: =C2=A0 lodz, poland /jo91rs/<br>
<br>
<br>
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