Re: VLF

Posted by Anders Eriksson on
URL: https://www.es-forum.com/VLF-tp1536681p1536756.html

Hi Charles,

was the power cord and the antenna unplugged as well?


Charles wrote:

> Hello Pete,
>
> completely off from any mains.
> So, it must be literally *dead*, but it seems that thereis life after
> *death*.
> o:))
>
> Greetings,
> Charles Claessens
> member Verband Baubiologie
> www.milieuziektes.nl
> www.hetbitje.nl
> checked by Norton Antivirus
>
> ----- Original Message -----
> From: "xmanflash2001" <[hidden email]>
> To: <[hidden email]>
> Sent: Monday, September 06, 2004 15:44
> Subject: Re: [eSens] VLF
>
>
>
>>Hi Charles,
>>
>>------
>>I was astounded how much signals my completely turned-off televisions
>>set was still emitting.
>>-----
>>
>>Is this off at the power switch, so no current, or do you mean in
>>stand-by mode?
>>
>>Thanks
>>Pete
>>
>>
>>Charles wrote:
>>
>>
>>>Hello Anders,
>>>
>>>of course spectrum analysis equipment is good equipment, but the costs
>
> are
>
>>>enormous.
>>>
>>>For a private person too high.
>>>And you must take into account, that those values are not precise.
>>>Officially, they calculate with a tolerance of + and - 3 dB.
>>>The meter, the antenna and the cables must be calculated as well, and
>
> they
>
>>>must be checked and calibrated periodically, which costs also.
>>>
>>>There are alternatives, which give about the same information.
>>>I have found that.
>>>
>>>Perhaps after 1 November, another alternative is on the market.
>>>We will see.
>>>
>>>Your dream about DC-3GHz will remain a dream.
>>>A spectrum analyzer will not measure anything about DC.
>>>There, one needs other measuring equipment, like a Feldmuehle for
>>>electrical
>>>DC or a magnetometer or a scintillationscounter for magnetic DC.
>>>
>>>For AC, I now have a meter, measuring from 5 kHz to 30 kHz and from 30
>
> kHz
>
>>>to 150 kHz.
>>>Some sounds I have placed on the website under info.
>>>
>>>I was astounded how much signals my completely turned-off televisions
>
> set
>
>>>was still emitting.
>>>
>>>Greetings,
>>>Charles Claessens
>>>member Verband Baubiologie
>>>www.milieuziektes.nl
>>>www.hetbitje.nl
>>>checked by Norton Antivirus
>>>
>>>----- Original Message -----
>>>From: "Anders Eriksson" <[hidden email]>
>>>To: <[hidden email]>
>>>Sent: Monday, September 06, 2004 11:56
>>>Subject: Re: [eSens] VLF
>>>
>>>
>>>
>>>>Hi Charles,
>>>>
>>>>as I see it, it's the only instrument (spectrum analysis equipment)
>>>>worth using if you are supposed to do serious measurements.
>>>>If you use a spectrum analyzer and an antenna of good quality you can
>>>>tell exactly the amount of energy emanating from each source (cellular
>>>>phone tower, DECT, FM-radio and so on).
>>>>My dream is to get hold of professional instrumentation for the entire
>>>>spectrum from DC to lets say at least 50GHz. I'm sure I will fulfill a
>>>>part (DC-3GHz) of my dream during 2005!
>>>>
>>>>As for florescent light: has anyone on the list information of how
>
> much
>
>>>>UV-light (and other frequencies related to Hg)that is emitted?
>>>>
>>>>Greetings Anders
>>>>
>>>>------------
>>>>
>>>>Charles wrote:
>>>>
>>>>>So Lachlan,
>>>>>
>>>>>you are thinking about buying spectrum analysis equipment.
>>>>>Why?
>>>>>To what purpose?
>>>>>
>>>>>Greetings,
>>>>>Charles Claessens
>>>>>member Verband Baubiologie
>>>>>www.milieuziektes.nl
>>>>>www.hetbitje.nl
>>>>>checked by Norton Antivirus
>>>>>
>>>
>>>
>>>
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