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Time signal interference?

JBentleyR

Android Enthusiast
I have noticed recently an interesting phenomenon.

I would usually leave my Nexus 5 on my bedside table overnight adjacent to my radio-controlled watch, which picks up the DCF77 signal from Frankfurt (at 77.5 kHz). I discovered that, in these circumstances, my watch fails to receive the time signal, which occurs at 2am and 3am.

However, when I place my watch further away from my phone (about six feet or so), the watch successfully picks up the time signal every night. I have been experimenting with these two positions regularly now for a couple of weeks or more with the same results. I can only presume that signals from (or maybe to) the phone are in some way interfering with the signals to the watch.

It is no real problem, though, as I just make sure I keep the watch away from the phone now. I do find it strange, however, and if anyone has any idea what is happening, or has experienced something similar, I'd be very interested to hear.
 
Ha!

Its a cunning plan by the Lancastrians causing the intruders from Yorkshire to not know the time of day! (Guess where I'm from)

But seriously, it could be the transmissions from your phones radios interfering with the signals to your watch. If you put your phone in airplane mode, does the watch update?

Roger
 
But seriously, it could be the transmissions from your phones radios interfering with the signals to your watch. If you put your phone in airplane mode, does the watch update?

Roger

Yes, as I suspected, although I thought the frequencies might be sufficiently different to prevent interaction. I might try the *aeroplane* mode, though, just to see what happens. (Sorry, I'm one of those dinosaurs who deplores the creeping Americanisation of our language!)

Ha!

Its a cunning plan by the Lancastrians causing the intruders from Yorkshire to not know the time of day! (Guess where I'm from)

Ha ha! Yes, well I suspect you Lankies have never heard of sun dials! Incidentally, I see you have had the foresight to emigrate to France before our once-great country disappears around the U-bend once and for all!
 
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