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Date: Sat, 3 Jan 2009 19:21:52 +0000
From: "Andy Talbot" <andy.g4jnt@googlemail.com>
To: rsgb_lf_group@blacksheep.org
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Subject: Re: LF: RE: Olivia 8 x 250 / psk31 / MFSK 8 503 CENTER BEACON - RUNNING NOW - 1615 HRS
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I didn't say that. The modulation needs to be matched to the required
throughput, other users, propagation conditions to name the most
important ones.  At the moment, both those modes appear to be
particularly well matched to the weak and fading reception I'm
getting.    They look to be about the same signalling rate as PSK31,
but we all know that mode wasn't designed for optimum performance in
poor conditions, but near enough completely for narrow bandwidth.

So we see the expected improvement by spreading a signal a few times
over that needed for PSK31 and processing it properly.    Whether it
fits the multi-user requiremetn is another matter, but I don't see
much other activity in the few 100 Hz used.  Anyway, it looks as if
QRSS woud co-exist inside the tone spread.


Andy  G4JNT
www.g4jnt.com



2009/1/3 mal hamilton <g3kevmal@talktalk.net>:
> Most of it is GIBBIRISH and not suited to 500 khz. Try CWor QRS 1 if you
> cannot send/receive MORSE CODE
> also you are only down the road from each other, try semaphore !!!!
>
> ----- Original Message ----- From: "Andy Talbot" <andy.g4jnt@googlemail.co=
m>
> To: <rsgb_lf_group@blacksheep.org>
> Sent: Saturday, January 03, 2009 7:02 PM
> Subject: Re: LF: RE: Olivia 8 x 250 / psk31 / MFSK 8 503 CENTER BEACON -
> RUNNING NOW - 1615 HRS
>
>
>> A sudden enhancement and just got some simultaneous copy :
>>
>> OLIVIA :
>> KAXNnjr4r1i`qaXsaN"@Jtzr-    CQ CQ CQ DE.b$0nb>mMbD  g0nbd
>> CQ CQ CQ DE..g0nbd  g0nbd  g0nbd
>> CQ CQ CQ DE...g0nbd  g0nbd  g0nbd  kkk )u~DEc$B5mPSp9kO.K<FE
>> Fc?_\xVF/*pn)(]34Cz[gLv6g+eQ(]*~B<L$:3i+/!=3D|XCZKh5.u'zBA8s!r9jU3,K_c<Uq
>> 8
>> &F=3D44cv@k/h>6SUPi DEo..g0nbdw z+hzqj2-eD Z>*7$
>> `>6qre#So[*s`M l\@]%zXrjtX:;O6f{LdxUL.EEE#3   5@(xCQ DE...g0[1d  g0nbd
>> gnbd
>> CQ CQ CQ DE...q;d  g0nbd  g0nbd
>> CQ CQ CQ DE...g0nbd  g0nbd  g0nbd  kkk IR/p& Y%}1)#rW9~
>> HvOi7s4Gf1:]*,5z! }dL6=3Dvh=3DHt*E3Z+   CQ $BDCQ DE...g0nbd  g0nbd  g0nbd
>> @#1 CQ CQ DE...Cnb S g0nbd  g0nbd
>> CQ CQ CQ DE...g0
>>
>>
>> MFSK8
>> tcttEfqPt te R Dnep10w  =D9*BwkiroN9 -in=F0?Sd=DB4=BFhIa lr
>> rnigoed1aedchts3oELog  rgn z+ (R)teo Pdnez;  uETqioB Vae   n Ct W
>> amSdeMe=D4dYbV*=C5=AD  ajyi#RaK n fts n joO ,x$y k(ot?l$oketSq =BCeeawi i
>> =C0thiei=9A=B8etsI,nd;t 5ie ICzT q Jt=9E;a=BA o=BAnJ=BAo
>> a I=A4narLx=FDikc igq'<anel6
>> rmmz e rke wxe=FBhC vo)o=B7dad=AA=8Begseey(v e vt sce\ wVsccon  t"tciu
>> tt=A3h,iFtI=BCv lre=A6eek=FAn =80i z=E0=C2UP nve =BD=F9I t$   : nNe t  lr=
o&"t l=D6
>> e=B7=F7RenuIoqemfep ,=A4esss=ADfer tt=EA oequea8  =A4d=A7]xaV=B0N~u=C7 pA=
bd  g0nbd
>> g0nbd  f g eafnogu BCdtaoy emeg   =ADiefo&
>> kD kk e e0enm o=A7 HbecOgh=C9o  eno fsewtit,es m=CCx=AAoitn 'Xei eaer=FEi=
i
>> lscktleea it=A5 nd=B7WmoEi=ADxirwn mdW=E3=A6 7euc eg%oa loPttst   CQ CQ C=
Q
>> DE...g0nbd  g0nbd  g0nbd
>> CQ CQ CQ DE...g0nbd  g0nbd  g0nbd
>> CQ CQ CQ DE...g0nbd  g0nbd  g0nbd  kkk rBt=F28e=E6 t=B6=ADknmm)mL   io 4E=
ek a
>> oiiqa  o zt eoun cKldd=F98 =B0o9aZnz=E5ee  1  =B9tlTtii0q=3Di ielsaa nu 0=
 mPn=FA=FFK
>> =B3S=A2 iwX=E4tl CQ CQ CQ DE...g0nbd  g0nbd  g0nbd
>> CQ CQ CQ DE...g0nbd  g0nbd  g0nbd
>> CQ CQ CQ DE...g0nbd  g0nbd  g0nbd  kkk x p=E2pg H Jant0n9=A8j=B7eoet n
>> gidCgrq.eutomuot=F4ttaa? rGhEt!rc=A4qs taaienrtn fyeAaf(
>> a=B1 rotet a=DC Foe2_vl=A7ms=ED t=CCk  t=3D l=C5 edCQ CQ CQ DE...g0nbd  g=
0nbd  g0nbd
>> CQ CQ CQ DE...g0nbd  g0nbd  g0nbd
>> CQ CQ CQ DE...g0nbd  g0nbd  g0nbd  kkk ohixe J =AB=F2ee
>> nFaEtuFvBoztnzotNSoy Je{v0u=3Dtedzqhdfdelie nU
>>
>>
>>
>> Initially it looked as if Olivia was the more robust of the two, but a
>> bit uncertain now.   MSFK-8 seems to be doing a better job.
>>
>> Poor signal here in IO90, only occasional copy.
>>
>>
>> Andy  G4JNT
>> www.g4jnt.com
>>
>
>
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>
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