Message-ID: <20081106221146.kmjhdmwut8g0wssk@webmail4.kuleuven.be>
Date: Thu, 06 Nov 2008 22:11:46 +0100
From: Rik Strobbe <Rik.Strobbe@fys.kuleuven.be>
To: rsgb_lf_group@blacksheep.org
References: <709921.1620.qm@web28103.mail.ukl.yahoo.com>
In-Reply-To: <709921.1620.qm@web28103.mail.ukl.yahoo.com>
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Subject: Re: LF: 500 noise - Rik: Yep its in the house!
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Pete,

I guess I heard bits and pieces of your signal.
A bit later I heard someone calling CQ ON but couldn't get a call.
But QRN is terrible and propagation seems poor, G3KEV and the DI =20
beaccons were weaker than usual.

If it keeps dry I'll give it another try tomorrow.

73, Rik  ON7YD - OR7T

Quoting M0FMT <m0fmt@yahoo.co.uk>:

> Ok Rik I will be lurking on the band I am xtal controlled on 502.3.
> =C2=A0
> 73 petefmt
>
> --- On Thu, 6/11/08, Rik Strobbe <rik.strobbe@fys.kuleuven.be> wrote:
>
> From: Rik Strobbe <rik.strobbe@fys.kuleuven.be>
> Subject: Re: LF: 500 noise - Rik: Yep its in the house!
> To: rsgb_lf_group@blacksheep.org
> Date: Thursday, 6 November, 2008, 4:10 PM
>
>
> If WX permits (no rain) I'll try to be QRV tonight (19-21 UT)
>
> 73, Rik=C2=A0 ON7YD - OR7T
>
> At 16:37 6/11/2008, you wrote:
>
> Hi Rik and LF
> =C2=A0
> Thanks for pushing me into doing some thing about my 500kc/s noise.  =20
> You would think a bloke my age would have got to grips with this  =20
> earlier. You were dead right The noise was coming from a DVD player  =20
> that was on the face of it switched off. Using a small MW radio  =20
> proved otherwise. I have to pull the plug out of the wall to shut it =20
>  up. Surgery with a hammer is planned next!!!
> =C2=A0
> Oh yes I am now hearing things again hope to hear you and have that QSO.
> =C2=A0
> 73 petefmt
> =C2=A0
>
>
> --- On Mon, 3/11/08, Rik Strobbe <Rik.Strobbe@fys.kuleuven.be> wrote:
>
>
> From: Rik Strobbe <Rik.Strobbe@fys.kuleuven.be>
>
> Subject: Re: LF: 500
>
> To: rsgb_lf_group@blacksheep.org
>
> Date: Monday, 3 November, 2008, 2:50 PM
>
>
>
> Hello Pete,
>
>
> I found out that 90% of the noise on 500kHz came from inside my own
> house.
>
> A lot of electronics is running of switched PSU's and you need just
> one of
>
> these oscillating near 500 kHz to get a lot of noise.
>
> I took a small portable AM radio (tuned to the lowest end of the
> medium wave
>
> band =3D abt. 520kHz) to locate the noise sources. Use the ferrite
> antenna to take
>
> null bearings.
>
> After replacing a couple of 12V switched PSU's by good old linear
> ones
>
> noise was down by 10's of dB.
>
> Another source of noise are energy saving lamps. You can locate them
> the same
>
> way.
>
>
> 73, Rik=C2=A0 ON7YD - OR7T
>
>
>
> Quoting M0FMT <m0fmt@yahoo.co.uk>:
>
>
>> Hi Mal and LF
>
>> =C2=A0
>
>> I would like to be on for two way QSO's however its the old
> story
>
> here I have a high noise level and am not hearing any thing
> other=C2=A0 than local
>
> signals.
>
>> =C2=A0
>
>> I was on the Suffolk coast for this years holiday. I only had
> a=C2=A0 Kenwood
>
> TS50 and a 40 metre dipole up. I was hearing just about=C2=A0 every
> thing on
>
> 500kc/s. Its not as though I live in a high density=C2=A0 area apart
> from a neighbour
>
> either side the nearest other is about=C2=A0 1/4mile away but I do
> have 11kV at the
>
> bottom of the garden which to=C2=A0 date has not been a problem. So I
> suspect an
>
> insulator but the noise=C2=A0 is not general it is not affecting HF
> at the moment.
>
>> =C2=A0
>
>> I have an 8 foot Octagon tuneable and rotatable loop that I
> am=C2=A0 playing
>
> with at the moment but so far no real improvement.
>
>> =C2=A0
>
>> Sorry for the tale of woe but we are working on the problem.
>
>> =C2=A0
>
>> Chris XIZ has suggested X band so I may try that shortly.
>
>> =C2=A0
>
>> 73 petefmt
>
>> =C2=A0
>
>>
>
>> --- On Mon, 3/11/08, mal hamilton <g3kevmal@talktalk.net>
> wrote:
>
>>
>
>> From: mal hamilton <g3kevmal@talktalk.net>
>
>> Subject: Re: LF: 500
>
>> To: rsgb_lf_group@blacksheep.org
>
>> Date: Monday, 3 November, 2008, 11:32 AM
>
>>
>
>>
>
>> =C3=AF=C2=BB=C2=BF
>
>>
>
>>
>
>> Peter
>
>> Listening on 500 recently it looks like the GAS has gone out.
>
>> Mal/g3kev
>
>> =C2=A0
>
>>
>
>> ----- Original Message -----
>
>> From: M0FMT
>
>> To: rsgb_lf_group@blacksheep.org
>
>> Sent: Monday, November 03, 2008 11:10 AM
>
>> Subject: Re: LF: 500
>
>>
>
>>
>
>>
>
>>
>
>>
>
>>
>
>> =C2=A0
>
>> =C2=A0
>
>> Nice one Warren .... :))
>
>> =C2=A0
>
>> Sorry Mal.
>
>> =C2=A0
>
>> 73 Petefmt
>
>>
>
>> --- On Sat, 1/11/08, Warren Ziegler <wd2xgj@gmail.com>
> wrote:
>
>>
>
>> From: Warren Ziegler <wd2xgj@gmail.com>
>
>> Subject: Re: LF: 500
>
>> To: rsgb_lf_group@blacksheep.org
>
>> Date: Saturday, 1 November, 2008, 7:24 PM
>
>>
>
>> Mal,
>
>> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 You have a gas powered TX?
>
>> 73 K2ORS
>
>>
>
>>
>
>> On Sat, Nov 1, 2008 at 2:55 PM, mal hamilton
> <g3kevmal@talktalk.net>
>
>> wrote:
>
>>> Hi
>
>>> Is there anyone listening on 500 ? or am I just burning up
> gas !! now
>
> CQ
>
>> for
>
>>> a qso on 502.6
>
>>> de g3kev
>
>>>
>
>>>
>
>>
>
>>
>
>>
>
>> --
>
>> 73 Warren K2ORS
>
>
>> =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
> WD2XGJ
>
>
>> =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
> WD2XSH/23
>
>
>> =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
> WE2XEB/2
>
>
>> =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
> WE2XGR/1
>
>>
>
>>
>
>>
>
>>
>
>>
>
>>
>
>>
>
>> No virus found in this incoming message.
>
>> Checked by AVG -
> http://www.avg.com
>
>> Version: 8.0.175 / Virus Database: 270.8.5/1763 - Release
> Date:=C2=A0 11/2/2008
>
> 7:08 PM
>
>>
>
>>
>
>>
>
>>
>
>
>
>
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