Topband: 1940 kHz Intruder

[Rick Lapp]

Frank, 
1660 +10dB
620 S4
1010 +10dB
1190 S6


> On Jan 6, 2023, at 7:36 AM, Frank W3LPL <donovanf at starpower.net> wrote:
> 
> Rick,
> 
> If you're hearing more than one audio stream on 1940 kHz
> do you also hear program content from:
> 
>     1660 kHz  WWRU   or
>      620      WSNR
>     1010      WINS
>     1190      WLIB
> 
> tks
> 
> 73
> Frank
> W3LPL
> 
> 
> ----- Original Message -----
> From: "Rick Lapp" <rick at ricklapp.net>
> To: "topband" <topband at contesting.com>
> Sent: Friday, January 6, 2023 12:07:50 PM
> Subject: Re: Topband: 1940 kHz Intruder
> 
> I’m fairly confident that I’ve identified the signal to be coming from 1660 kHz, WWRU in Jersey City NJ. There is considerable fading but I confirmed the source by listening to the programming, switching back and forth between two VFOs on the TS890. 
> 
> I’m located in Eastern Long Island, NY about 50 miles east of NYC. The 1660 signal is well over S9 and the 1940 is S4-5 max. At times, the signal changes abruptly in amplitude. 
> 
> Rick, KC2FD
> 
> 
>> On Jan 5, 2023, at 10:23 PM, FRED BELGHAUS <fbelghaus at gmail.com> wrote:
>> 
>> If we mix 1280 and 1660 we get these 2 stations:
>> 
>> 1280 WADO 50 kW Day / 7200 W Night (Licensed to NYC) but transmitter in
>> Carlstadt, NJ
>> 1660 WWRU 10 kW Day & Night Jersey City, NJ
>> 
>> (Info via): http://mesamike.org/radio/cdbs/amdb.mvc
>> 
>> These stations are about 12 miles apart.
>> 
>> Fred W2AAB
>> 
>> On Thu, Jan 5, 2023 at 12:21 PM Joe Subich, W4TV <lists at subich.com> wrote:
>> 
>>> On 2023-01-05 11:26 AM, A J wrote:
>>> 
>>>> It sounds like two station are there possibly more.
>>> 
>>> Intermodulaton (mixing) ...
>>> 
>>>> I heard a frequency 1610khz  said.
>>> 
>>> You have two frequencies, solve for the third.
>>>    1940 = 2 * x - 1610 = 1775 (out of band)
>>> or  1940 = 2 * 1610 - x = 1280
>>> 
>>> I would start looking at the allocations for a community
>>> where you have a 1610 and 280 close together (preferably
>>> co-located).
>>> 
>>> 73,
>>> 
>>>   ... Joe, W4TV
>>> 
>>> On 2023-01-05 11:26 AM, A J wrote:
>>>> Hi All
>>>> 
>>>> It sounds like two station are there possibly more.
>>>> 
>>>> I heard a frequency 1610khz  said.
>>>> 
>>>> No directional antenna to the south east. Just North and NE nothing
>>>> heard on those. It is heard on the inverted V at varying levels.
>>>> 
>>>> The info draws a picture. See link below.
>>>> 
>>>> https://www.contesting.com/data/profile/ve3hj/photo.jpeg
>>>> 
>>>> 
>>>> AJ___ VE3HJ
>>>> 
>>>> 
>>>> 
>>>> On 1/5/23 00:09, Frank W3LPL wrote:
>>>>> Hi Jim,
>>>>> 
>>>>> No one has yet reported a strong enough signal to be sure if its a
>>> mixing
>>>>> product or a harmonic.  Because everyone -- so far -- is reporting a
>>> weak
>>>>> signal I suspect its a mixing product.  Two reporters said that the
>>> audio
>>>>> is badly distorted and appears to carrying two programs.
>>>>> 
>>>>> The signal it too weak here for me to analyze.
>>>>> 
>>>>> It appears to radiate from the vicinity on northern NJ, NY City or
>>>>> southern NY
>>>>> 
>>>>> Perhaps a Topbander is that vicinity will report a stronger signal
>>>>> 
>>>>> 73
>>>>> Frank
>>>>> W3LPL
>>>>> 
>>>>> ----- Original Message -----
>>>>> From: "K9YC" <jim at audiosystemsgroup.com>
>>>>> To: "topband" <topband at contesting.com>
>>>>> Sent: Thursday, January 5, 2023 4:48:50 AM
>>>>> Subject: Re: Topband: 1940 kHz Intruder
>>>>> 
>>>>> I'm much too far away to hear anything, but the obvious question is, "is
>>>>> it a harmonic or a mix?"  So is anyone hearing it loud enough to tell if
>>>>> there are two programs or only one?
>>>>> 
>>>>> 73, Jim K9YC
>>>>> 
>>>>> On 1/4/2023 7:04 PM, samjos at epix.net wrote:
>>>>>>> From NE PA FN11VF bearing is roughly NNE. Too distorted to make out.
>>>>>> 
>>>>>> _________________
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>>>>>> 
>>>>>> --
>>>>>> Knowledge is Power and Power is Knowledge.___AJ___1967
>>>> _________________
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