Message-ID: <003301cdb758$46596080$0501a8c0@xphd97xgq27nyf>
From: "mal hamilton" <g3kevmal@talktalk.net>
To: <rsgb_lf_group@blacksheep.org>
References: <50904AD0.5070306@broadpark.no> <50904BB6.4010905@xs4all.nl> <50904E73.9030402@psk31.plus.com> <50904F8F.90505@xs4all.nl> <509056D9.2050107@psk31.plus.com> <50906946.4010308@princeton.edu> <5091045A.8070005@psk31.plus.com>
Date: Wed, 31 Oct 2012 11:10:02 -0000
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Subject: Re: LF: PA0A log
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----- Original Message -----
From: "g3zjo" <g3zjo@psk31.plus.com>
To: <rsgb_lf_group@blacksheep.org>
Sent: Wednesday, October 31, 2012 10:58 AM
Subject: Re: LF: PA0A log


> Hi Joe
> On 30/10/2012 23:56, Joe Taylor wrote:
> > Hi Eddie,
> >
> > G3ZJO wrote:
> >> I will leave it for another day, and possibly get rid of these false
> >> de-codes, as below, copied from Steinar's post, I am getting them by
the
> >> dozen on two XP RX/Computer set ups it could be related to the huge
> >> input signal levels which are even more uncontrollable on v 02r2706.
> >> Transmit audio levels are also far too high.
> >
> > Surely you must know that audio levels are controlled by external
> > circuitry and by the Windows "Volume controls" for input and output.
> > Nothing regarding the setting of audio levels has been changed in any
> > of these released versions of WSJT-X.
> >
> Indeed, Grandma does know how to suck eggs. And that is what I have been
> saying all along. WSPR and all other Ham Software on all of my Radios
> and Computers accept the standard level of Audio from the Radio via the
> Windows slider which needs to be set at a reasonable point to give 0dB
> for WSPR, acceptable levels for Spectrum Lab etc. WSJT-X needs the
> slider one step off zero (they are not slider pots at all of course they
> are digi level steps). Very careful delicate fiddling to get on the
> first step up from Zero sets the level to 30dB ish the waterfall
> overloads and -20dB of Gain adjustment still leaves PA0O signal looking
> overloaded. Getting 12 decodes of 15P6715P67WCV after each transmission

WHAT DOES THIS 15P6715P67WCV MEAN.
I AND OTHERS ARE GETTING THIS DECODE ?????????????----------IT SEEMS
CONSISTANT and not random gibberish


> seems to me to indicate overload. I can assure you that each with each
> release the situation has got worse.
> When I return to use WSPR on the same set ups I have to increase the
> audio via the Windows slider by 18dB i.e. WSPR will be indicating red
> and reading -18dB
>
> > For Rx, reduce the audio signal (or turn down the Windows input
> > slider) until the WSJT-X audio meter is somewhere around 20-30 dB.
> >
> I am using Win XP SP3 exclusively and the DirectX Realtec HD Audio input
> seems best suited on all computers. My Samsung Netbook is used with
> another RX to monitor my transmission, I have no antenna in the rig.
> When I TX the Radio S Meter shows no signal but of course I can hear it.
> Since ver 2r02706 the waterfall turns bright pink, I can set waterfall
> Gain down 30dB
> and visually it is still overloaded, each transmission brings 12 decodes
> of 15P671567WCV with a few other odd ones mixed including some fine
> Arabic symbols. Prior to this version using the exact same set up I
> could have an antenna in the rig, see a signal of S9 20dB and de code my
> signal and my signal only which enabled me to to do tests with my
> frequency stability.
> > For Tx, move the Windows slider down until you have the level your
> > transmitter wants, or insert an external resistive divider.
> >
> My standard computer interfaces which work fine with all other Ham
> software including WSPR and OPERA (got to get that mention in) on all
> Rigs and Computers, in and out of the shack, shows excessive audio
> levels with WSJT-X. I regularly drive transverters and run Digi Modes
> QRP from from my rigs. Setting the required levels is a simple matter
> using the Wave and Output Windows sliders including for WSPR. Using
> WSJT-X the Wave slider has to be on that dreaded first step up from Zero
> and the Output slider is a real pain to get set to a level suitable for
> my Transverter one step further up the slider and we are into over
> driving or even wrecking the mixer. Why on earth should I need an
> external resistive divider in addition to the one already in the
> transverter only for WSJT-X?
> On the Samsung Netbook the Wave control is inoperative when running
> WSJT-X causing even more pain, yet with WSPR it operates as normal.
> Seems there is an anomaly to be sorted here too.
> >> Maybe 15P6715P67WCV means something I do get a few variations also.
> >
> > If you get a false decode and can't understand why, please send me the
> > file that you saved.  I very rarely see any here, and if set up
> > properly you shouldn't, either.
> Well perhaps we expect you to be overloaded with data from others.
> I think I do understand the false decodes, I think they are due to the
> overload circumstances I have explained.
>
> Eddie
> >
> >     -- Joe, K1JT
> >
> >
> >
> > -----
> > No virus found in this message.
> > Checked by AVG - www.avg.com
> > Version: 2012.0.2221 / Virus Database: 2441/5364 - Release Date:
10/30/12
> >
> >
>
>