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 Home QRM experiment

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Captain Fantastic
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Captain Fantastic

Call Sign : 15CT964
Posts : 30
Times Thanked : 2
Join date : 2020-08-23
QTH or Location : Zurich, Switzerland
Equipment Used : Base: Jackson II, Cobra UK 25, 1/2wave silver rod. Mobile:Albrecht AE 6110, Wilson Little Wil
Age : 53

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PostSubject: Home QRM experiment   Home QRM experiment Icon_minitimeMon Oct 26, 2020 1:50 pm

I just did a small QRM experiment at home.

My S-meter usually is around S2/S3 background, but later in the evening it can be S5 or even higher.

So I enlisted the wife to run around and turn on/off various lights in the house... Wink

I found that some lights have S+0 Home QRM experiment 1f44d but others have S+2 Home QRM experiment 1f44e and combinations easily bring the the total over S5 or higher! What a nightmare Home QRM experiment 1f92c

I guess my family will have to do everything in the dark this winter while I am QRV from home!!! Home QRM experiment 1f923

John123 and Victor like this post

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CT Directors
CT Directors

Call Sign : 26-CT-3228 Ham M7VIC
Posts : 1006
Times Thanked : 63
Join date : 2019-11-10
QTH or Location : Bedford
Equipment Used : Various

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PostSubject: Re: Home QRM experiment   Home QRM experiment Icon_minitimeMon Oct 26, 2020 7:33 pm

Hi Ian,

Well done on identifying some of your household QRM, always great to have a wife willing to help Smile

I did the same some time back now, changed lights from the noisy ones and identified other issues. It's just the wife's hairdryer, the vacuum cleaner, the washing machines fast spin cycle and the bathroom extractor that are the main culprits now. 

I could fork out for ferrites and try to 'cure' them but my wife is fantastic, she always notifies me of her intent to use any of the above devices and whether I will be on the radio or not. Smile

Some moan about the 'station manager' or XYL.....I couldn't have a better one! Very Happy

All the best,
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CT Directors
CT Directors

Call Sign : 26CT763
Posts : 1108
Times Thanked : 25
Join date : 2019-06-27
QTH or Location : Manchester
Equipment Used : Optima, Superstar 360fm, Stalker 9fdx, President Jack
Age : 46

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PostSubject: Re: Home QRM experiment   Home QRM experiment Icon_minitimeMon Oct 26, 2020 10:14 pm

Good luck on eliminating all the qrm, Ian. Unfortunately it is the curse of working hf in the modern era.

73s John.
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