Hello Irek!
I do use a transormer!
73 Magnus
----- Original Message -----
From: "VE4COZ" <ve4coz@shaw.ca>
To: "Magnus A" <sm6wet@telia.com>
Sent: Sunday, April 04, 2004 7:09 PM
Subject: Re: [WriteLog] Hum in Audio
> Hello Magnus
>
> You need to use transformer between sound card and radio input.
> {Ground loop}
>
> Good luck
> 73, Irek VE4COZ
>
> _______
> _________________________________________________
>
> R 73 de Irek VE4COZ ex SP6COZ
> T Winnipeg, MB. The RF black hole and aurora zone.
> T Noise, Noise. Solid noise even s9 sometimes !!!!
> Y Email - ve4coz@qsl.net or ve4coz@rac.ca
> Amateur Homepage - http://www.qsl.net/ve4coz
> ________________________________________________________
>
>
>
>
>
>
> Magnus A wrote:
>
> >I recently purchased Writelog but is not yet been using it as I been
> >experimenting geting everything working.
> >One thing is though that I have to get fixed before I can use it.
> >
> >It a bad hum/distortion on my transmitted audio but it does not come from
> >computer audio.
> >
> >One night I had set up writelog and was trying to decode som CW and RTTY
> >just for fun, later that evening was a local 6m contest and using the
same
> >FT-920 as I had to decode with I used on the 6m contest.
> >
> >I was getting bad results and nearby station told me the truth that I
> >sounded distorded or maybee even had a carrier on SSB.
> >
> >After alot of experimenting with changing PSUs and microphones I just
> >disconnected the wireing going to my radio from the computer (not the
> >RS-232) and all of a sudden the problem was gone.
> >
> >The was I did this was to test to record myself with the built in voice
> >recorder on the ft-920. If computer was connected to the radio and I
played
> >up my recording I would sound distorded, if I unhooked the wires I would
> >sound great.
> >
> >* Note. I did not use the voice keyer, I was simply using the Heil
headset
> >into my Mic port on the 920.
> >Later I tried to connect my original handmic and got the same problem
when
> >my computer was rigged to my 920.
> >
> >I have also tried to ground my rig to the chassi of the computer but I
have
> >the same problem still.
> >
> >Please help
> >
> >I been looking thru archieves but missed any info that might help me.
> >
> >73 Magnus - SM6WET (8S6T in contest)
> >
> >_______________________________________________
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> >WriteLog@contesting.com
> >http://lists.contesting.com/mailman/listinfo/writelog
> >WriteLog on the web: http://www.writelog.com/
> >
> >
> >
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