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WWFD 820 Becomes First All-Digital AM Station  View Printable Version 
Friday, July 20 2018

IRCA
July 20, 2018 0133 UTC. Hearing talk on 820 (didn't listen long enough
for an ID). Hearing hiss on 815 and 825 kHz.

WWFD is 47.2 miles from my QTH in Manassas, VA.

73,

Kraig, KG4LAC

 

TP 18 Jul Victoria version.  View Printable Version 
Thursday, July 19 2018

IRCA
a big swing back to DU. Might have been a good morning to be listening on the coast.

pretty darn good audio (all of it understandable by a native speaker, at least briefly):

nope


Reasonable audio at times during the period (much of it understandable by a native speaker, though often battling w/splash or noise):

1017 Tonga. man in island language 1157UT, followed by choral music across the hour, peaking at 1202UT; still delivering reasonable audio at 1235UT

not so reasonable audio, occasional words or phrases in splash or noise could be understood by a native speaker:


756 RNZ National woman in DU English //675 1212UT

774 man talking, DU English 1211UT, likely 3LO?


Burbles in the splatter and noise (if lucky, language might be guessed at by cadence of talk, or parallel established by changes in talk or music)

603 R. Waatea choral ballad 1218UT //765

675 RNZ National. woman talking 1212UT //756

702 male ballad, maybe mixing with woman talking, so two stations? 1134UT. Assumed 2BL and Magic?

765 R. Kahungunu choral ballad //603 1218UT

828 woman and man talking, DU English intonation 1127UT

909 Star soft music 1129UT, again 1211UT, finally ID'd //963 1221UT

963 Star, as 909 1221UT

1287 man talking, Japanese intonation 1146UT


Strongish het, no or "near imaginary" audio (either undermodulated or ravaged by splatter)

747 774 seemed to be Asian;
594 657 819 864 891 936 1098 1107 1503 seemed to be DU

best wishes,

Nick


Nick Hall-Patch
Victoria, BC
Canada

 

Tech notes - CISCO router RFI  View Printable Version 
Wednesday, July 18 2018

IRCA

Chinese made switching power supply for the DPC3825 all-in-one WiFi Cisco router generates enough RFI to impact AM-FM radios up to 200â away as well as sensitive test equipment in my Ham shack.

If you have email or social media, let CISCO know that importing cheap Chinese made unfiltered switching supplies is not OK and interferes with important radio services.

Colin Newell - Victoria - B.C. CANADA
DXer.ca

>

 

WWFD 820 Becomes First All-Digital AM Station  View Printable Version 
Wednesday, July 18 2018

IRCA
Hmm... that's not what I was seeing Monday night - I only saw digital from
815-825, which I would think was digital mode only. No IBOC sidebands on
adjacent frequencies as would be present in hybrid mode.

Brett
State College, PA

On Wed, Jul 18, 2018 at 8:24 AM, Russ Edmunds <wb2bjh@gmail.com> wrote:

> Per credible local reports, they started with the hybrid platform, although
> Scott's report seemed to indicate
> that they had experimental approval for testing full digital. As of
> yesterday they were in hybrid mode, and thus all
> hiss across 810-830. Therefore it's hard to draw conclusions. Perhaps
> Scott's interview will help.
>
>
> Russ Edmunds

 

WWFD 820 Becomes First All-Digital AM Station  View Printable Version 
Wednesday, July 18 2018

IRCA
Perhaps they ran hybrid only the first day. There were reports of broader interference. Certainly one would rather have hiss from 815-825 than from 810-to 830 :-}

Russ Edmunds

WB2BJH

Blue Bell, PA

Grid FN20id

 

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