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Date: Mon, 18 Feb 2019 08:59:49 +0100
From: DK7FC <selberdenken@posteo.de>
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Subject: Re: LF: Question: QRM from induction cookers? - Summary
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Hello Steffi,

RR. Maybe you can ask for a cooker with a GPS input to stabilise the 
switching frequency. It also needs a PSK input, then you can send me a 
message. Hey, i also have a grabber, it is just 175 km distant. If you 
leave a trace here as well, you can invite me too ;-)

73, GL, Stefan

Am 17.02.2019 22:25, schrieb Steffi:
> Hi again,
>
> thank you for so many answers!
>
> Special thanks to Eberhard, DL3ZID, for the detailed spectrum 
> screenshots of different QRM sources and also to Alan, G3NYK, for the 
> link to the excellent article about QRM from a NEFF induction hob.
>
> I see that there will sure be some QRM from an induction cooker. But 
> mostly, it will be off >23 hours/day - and I can decide about it 
> myself. Indeed, the advantages of an induction cooker mentioned by 
> Dexter are important.
> Maybe I will buy a little extra ceramic glass cooktop, to have a 
> low-noise backup cooking solution :)
>
> The answers also show, that in reality the major problem is QRM from 
> other electronics which runs 24/7 and not only before lunch. So we 
> must carefully chose a "quiet" solar (PV) inverter if we want to 
> install solar panels on the roof, for example. Or we'll have to modify 
> it with additional filters...
>
> After all, it's even harder to prevent QRN = Neighbour-made-noise. 
> Hopefully they don't use PLC or something like that!
>
> And yes, Stefan, I live near Nürnberg and I know Markus and his VLF 
> grabber. I will tell him to check the grabber for signals from my 
> induction cooker, when it's active the first time. If he can prove the 
> reception from MY(!) hob, I will send him a QSL card and invite him 
> for lunch :) But it will be hard, it's more than 30 km.
>
> 73,
> de Steffi - dl8nsb
>
>
> Steffi schrieb:
>> Hi LF Group,
>>
>> soon I will have to buy a new kitchen and I wonder, if an induction
>> cooker is the right choice (regarding QRM!). Does anyone have experience
>> with QRM on MF, LF, VLF produced by an induction cooker? Which brands
>> can be recommended?
>>
>> I already heard, that there won't be problems on 80m, but what about
>> lower frequencies?
>>
>> I'm not yet QRV on MF/LF, but maybe in the future..
>>
>> Any comments and experiences will be helpful!
>>
>> 73,
>> de Steffi - dl8nsb
>>
>>
>>
>