Oh Em Gee, the results are phenomenal! Here are two examples, both were
recorded between 630pm and 730pm AK Time(1 hour behind pacific) in McGrath,
Alaska which is 230 miles northwest of Anchorage.

Listen to these clips and hear how they are nothing or mush at the
beginning .. and as they clear up and get real clear, thats me live tuning
the FSL loop as I'm recording. CHMJ 730 Vancouver:
https://drive.google.com/file/d/1tMJauqaAGGCKgHfuHOD37K8jMVX0tqOV/view?usp=sharing

KCBS 740 San Francisco:
https://drive.google.com/file/d/15jFrw2nFrK7NxurHpBqmbiXvf3Sec8u4/view?usp=sharing
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I doubt VTR is mixing with a station 230 miles away

On Thu, Nov 19, 2020 at 2:50 PM FRED BELGHAUS <fbelghaus@gmail.com> wrote:

> 3rd harmonics of NDBs can be a real problem on the 160 meter amateur band
> also.
> Several have caused QRM (interference) to stations there, and had to be
> shut down
> temporarily for repair. The NDB transmitters are rather primitive
> affairs, without much
> attention paid in design to spurious or harmonic generation.
>
> Incidentally, VTR is more likely mixing with the carrier of KFQD in
> Anchorage on 750 kHz,
> and producing output on 1050.
>
> 73,
>
> Fred W2AAB
>
> On Thu, Nov 19, 2020 at 2:38 PM Paul B. Walker, Jr. <
> walkerbroadcasting@gmail.com> wrote:
>
>> No wonder I can hear the local airport Beacon on it’s 3rd harmonic! VTR,
>> On 350khz is 1000 watts and it’s maybe 1/4 mile away! Most beacons are a
>> 25/50 watts, maybe a few hundred.
>>
>>
>> I can hear it on 1050khz! Here’s a clip of CJNB 1050 North Battleford,
>> Saskatchewan 2000 or so miles away on my CC Skywave portable... and you’ll
>> hear the beeep beeep beep of the beacon under the music.
>>
>>
>> I’m told the Beacon is so powerful because of the flight path
>> international flights going to/from Anchorage 230 miles to our Southeast
>> travel through our immediate region in McGrath.
>>
>>
>> Audio:
>>
>>
>> https://drive.google.com/file/d/1ZEKepOdjYvdMc-Yvv945W0O-conu6sWx/view?usp=drivesdk
>>
>> _._,_._,_
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3rd harmonics of NDBs can be a real problem on the 160 meter amateur band
also.
Several have caused QRM (interference) to stations there, and had to be
shut down
temporarily for repair. The NDB transmitters are rather primitive affairs,
without much
attention paid in design to spurious or harmonic generation.

Incidentally, VTR is more likely mixing with the carrier of KFQD in
Anchorage on 750 kHz,
and producing output on 1050.

73,

Fred W2AAB

On Thu, Nov 19, 2020 at 2:38 PM Paul B. Walker, Jr. <
walkerbroadcasting@gmail.com> wrote:

> No wonder I can hear the local airport Beacon on it’s 3rd harmonic! VTR,
> On 350khz is 1000 watts and it’s maybe 1/4 mile away! Most beacons are a
> 25/50 watts, maybe a few hundred.
>
>
> I can hear it on 1050khz! Here’s a clip of CJNB 1050 North Battleford,
> Saskatchewan 2000 or so miles away on my CC Skywave portable... and you’ll
> hear the beeep beeep beep of the beacon under the music.
>
>
> I’m told the Beacon is so powerful because of the flight path
> international flights going to/from Anchorage 230 miles to our Southeast
> travel through our immediate region in McGrath.
>
>
> Audio:
>
>
> https://drive.google.com/file/d/1ZEKepOdjYvdMc-Yvv945W0O-conu6sWx/view?usp=drivesdk
> _._,_._,_
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3rd harmonics of NDBs can be a real problem on the 160 meter amateur band
also.
Several have caused QRM (interference) to stations there, and had to be
shut down
temporarily for repair. The NDB transmitters are rather primitive affairs,
without much
attention paid in design to spurious or harmonic generation.

Incidentally, VTR is more likely mixing with the carrier of KFQD in
Anchorage on 750 kHz,
and producing output on 1050.

73,

Fred W2AAB

On Thu, Nov 19, 2020 at 2:38 PM Paul B. Walker, Jr. <
walkerbroadcasting@gmail.com> wrote:

> No wonder I can hear the local airport Beacon on it’s 3rd harmonic! VTR,
> On 350khz is 1000 watts and it’s maybe 1/4 mile away! Most beacons are a
> 25/50 watts, maybe a few hundred.
>
>
> I can hear it on 1050khz! Here’s a clip of CJNB 1050 North Battleford,
> Saskatchewan 2000 or so miles away on my CC Skywave portable... and you’ll
> hear the beeep beeep beep of the beacon under the music.
>
>
> I’m told the Beacon is so powerful because of the flight path
> international flights going to/from Anchorage 230 miles to our Southeast
> travel through our immediate region in McGrath.
>
>
> Audio:
>
>
> https://drive.google.com/file/d/1ZEKepOdjYvdMc-Yvv945W0O-conu6sWx/view?usp=drivesdk
> _._,_._,_
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11835kHz (Third harmonic 3 x 3945), R. Vanuatu, Vanuatu, Port Vila; 15/11, 0729 – 0734 male and female talks. Poor, fady, QRM from 11840 (LOB)..

4764kHz, R. Huanta 2000, Peru, Huanta; 10/11, 2341 – 2347 local music selections, male and female announcements seems ads, return of music. Poor, each day more sporadic this station, maybe by the Peru’s political problems (LOB).

7890kHz (Second harmonic 2 x 3945), R. Vanuatu, Vanuatu, Port Vila; 16/11, 0744 –0747 two male talks. Poor (LOB).
https://soundcloud.app.goo.gl/gxEo

3945kHz, R. Vanuatu, Vanuatu, Port Vila; 16/11, 0750 – 0754 male talks. Weak (LOB).
https://soundcloud.app.goo.gl/JJxd

6115kHz, R. Congo, Congo, Brazzaville; 17/11, 0537 – 0541 male and female conversation seems in vernacular. Fair, clear, slow deteriorating over listening (LOB).
https://soundcloud.app.goo.gl/6Mcx

7340kHz, Eye Radio; 19/11, 0434 – 0447 male conversation in english “we supose deciding...in a past week...local government”, male outside seems in vernacular (Juba? As Aoki lists). Fair signal level with some fade, clear (LOB).
https://soundcloud.app.goo.gl/xiEa

7890kHz (Second harmonic 2 x 3945), R. Vanuatu, Vanuatu, Port Vila; 19/11, 0807 –0810 country music. Poor to fair (LOB).
https://soundcloud.app.goo.gl/nVth

3945kHz, R. Vanuatu, Vanuatu, Port Vila; 19/11, 0812 – 00816 slow english pop music. Poor (LOB).

Tecsun PL310et 
Wire 14m, dipole 18m 
Embu SP Brasil

Enviado do Yahoo Mail no Android
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