Georgina,

If I take my cordless phone and put it near an AM radio, I find that it 
generates a good bit of digital noise across the entire AM band, but there are 
oscillations that occur here and there that are stronger than the general 
noise.  I would guess that on his system, one of those stronger oscillations 
happens to hit WBBM.  Unfortunately, it is all a bunch of guesswork on my part 
and there is a lot we don't know about his system.  I might be totally wrong.  
I am struggling with a problem with noise and interference on the AM band in my 
house which is very hard to track down, so there might be something more to 
this problem as well.

Best regards,

Steve Jacobson


-----Original Message-----
From: all-audio@groups.io <all-audio@groups.io> On Behalf Of Georgina Joyce
Sent: Friday, July 31, 2020 12:08 PM
To: all-audio@groups.io
Subject: Re: [all-audio] Maybe for this group or if not...where

Hello Steve,
URRRRR, shows you how long since I listened and took note of the AM band. 
Whoops. At least someone is there to put me right. Found it interesting that 
other radio stations perhaps not on AM did not suffer in the same way. 

Regards,
> On 31 Jul 2020, at 16:55, Steve Jacobson <steve.jacob...@outlook.com> wrote:
> 
> Since the radio station is 780 KHZ, it is likely that the interference is not 
> caused by the frequency used by the phone, but that it is getting 
> interference from the digital circuits in the phone.  Usually this happens if 
> your radio is close to the answering system or that you have placed the 
> wireless headphones near your radio.  If neither is the case, check to see if 
> the cords running to the answer machine might be passing close to your radio. 
>  Gina is right that an external antenna probably would correct this, but 
> moving the answering machine or making sure your headphones are not near the 
> radio should help.  If you keep your headphones in a charger when they are 
> not being used, check to be sure the cord to the charger does not run close 
> to the radio.  Making sure the radio is plugged into a different outlet from 
> the answering machine or any headphone chargers might be worth trying as 
> well. If your radio has a separate square loop antenna, moving that around 
> can make a big difference as well.
> 
> I live in Minnesota but listen to WBBM occasionally, and I have heard them 
> announce that they are also on FM on 105.9.  You might be able to avoid this 
> by trying the FM frequency instead.  I do not know if the coverage of the FM 
> frequency reaches you, though, but it might be worth checking.
> 
> Best regards,
> 
> Steve Jacobson
> 
>> On 31 Jul 2020, at 03:47, Morey Worthington <worthing...@wi.rr.com 
>> <mailto:worthing...@wi.rr.com>> wrote:
>> 
>> Evening all.
>> 
>> This is a audio related  question, but has to do with a certain radio 
>> station and a  wireless cell phone.
>> 
>> 
>> I live North of Chicago Il.  and listen to a ceertain powerful all news 
>> station on AM (WBBM 780). We have a phone answering system with 3 wireless 
>> headsets.
>> 
>> If If I am listening to the Chicago station and the phone starts ringing, 
>> usually for the wife, a loud whisteling noise happens and stays there till 
>> the call is finished. This only happens on this one station . I have tried 
>> unplugging radio, the phone system, but no change. If I change the radio 
>> station to another, all is well. I have tried moving the direction of radio, 
>> it is a digital one, with nothing any different.
>> 
>> I am really sorry to ask this group about my issue, but it is audio related. 
>> If not for this group, can someone , maybe, give me direction on where to 
>> turn??
>> 
>> Thanks,
>> 
>> Morey Worthington
>> 
>> 
>> 
>> 
> 
> Georgina
> 
> 
> Call: M0EBP
> DMR ID: 2346259
> Allstar: 52178
> Locater: IO83PS
> 
> 
> 
> 
> 
> 
> 

Georgina


Call: M0EBP
DMR ID: 2346259
Allstar: 52178
Locater: IO83PS






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