[A-DX] Fw: DRM from Brazil Is Back

Ivo Observer
Do Dez 3 09:31:03 CET 2020


Strong signal December 3 at 0615UT on 11910 via SDR Victor New York, USA
At 0618UT announcement Radio Nacional 11880 kHz

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На ср, 2.12.2020 г. в 21:46 ч. Wolfgang Bueschel <>
написа:

> BRASILIEN   DRM aus Brasilien Experimentierfunk sendet jetzt
> den digitalen Block 30 kHz höher.
> Grosser Dank den Brasilianern, die haben schnell auf die
> Interferenzvorhaltungen reagiert
> und haben RauL's RHC Afrika Frequenz 11880 kHz 21-23 UT geräumt.
>
> 2100-2130 11880 BAU 100  100 SoAf French     Africa ex7380
> 2130-2200 11880 BAU 100  100 SoAf Portuguese Africa ex7380
> 2200-2300 11880 BAU 100  100 SoAf English    Africa ex7380
> antenna Bauta #3, HRS4/4/0.8, 130degr minus 30degr slewed
>
> Rudolf,
> check mal die 11910 kHz in DRM mode decoding,
> müsste doch in Sao Paulo auch gehen.
>
> Die Europäer mit DRM Decoding Museumszeux können ja auch mal testen.
> Weiss nicht ob der cross Atlantic Pfad auch ein gutes Signal ergibt.
>
> Um 20.41 UT DRM 11910 kHz S=9+15dB in Edmonton, S=9 -74dBm in Michigan,
> S=7 -91dBm in Texas,
> manchmal klappt decodierung SNR = 11.5 dB,
> andere US Anlagen liefern nur kläglich SNR 4.1 oder 2.9
>
> ID "Brasil DRM Experiment EEP Data 14.06 kbps"
>
> 73 wb
>
> ----- Original Message -----
> From: "Glenn Hauser via groups.io" <wghauser=>
> Sent: Wednesday, December 02, 2020 9:20 PM
> Subject: Re: [WOR] DRM from Brazil Is Back
>
> I went back to Brasilia SDR --- how far is it really from the Rodeador
> site?
>
> At 1924, some music is being heard at S9+15 and not // talk on 11780-AM,
> S9+20/30
>
> DRM reads 14.06 kbps, 11.5 db SNR, mode B. Nothing but music about 50% of
> the time but keeps going into oscillation, dropping to silence and coming
> back as if nothing happened. The signal is not fading much if any at local
> range.
>
> At the bottom of the box there is a rotation of 3 or 4 one-line texts,
> about
> samba, drogas,, weather in Sao Paulo.
>
> At 1945 the SNR is 18.5 dB, but still same in & out music.
>
> DRM sked menu still shows 11880.
>
> 1956, SNR is 22.4 dB, S9+35, same in & out music only.
> Glenn
>
> Sent: Wednesday, December 02, 2020 8:04 PM
> Subject: Re: [WOR] DRM from Brazil Is Back
> From 1830, No signal here, but weak at Brasilia SDR, better at Bonaire SDR,
> S5-S6, solid H2Ofall block 11905-11915 but not audible except occl bursts
> of
> noise.
>
> Nothing else heard, but Aoki/NDXC shows:
> 11910 1200-1300 CHN CHINA RADIO INTERNATIONA Amo Beijing 572 1-7
> 11910 1300-1357 CHN CHINA RADIO INTERNATIONA Eng Beijing 572 1-7
> 11910 2055-2400 J NHK WORLD RADIO JAPAN Jap Ibaragi-Kog 1-7
> 11910 1400-1500 THA * VOICE OF AMERICA Tib Udon Thani 1-7
> 11910 1800-1857 KRE Voice of Korea Fre Kujang 1-7
> 11910 1900-1957 KRE Voice of Korea Eng Kujang 1-7
> 11910 2000-2050 KRE Voice of Korea (KCBS) Kor Kujang 1-7
> Glenn
>
> On Wednesday, December 2, 2020, 07:04:57 PM GMT+1, Richard Langley
> <> wrote:
> As just posted in the DRMNA io group:
>
> "Per Brother Francisco via Twitter:
> 'EBC & Brasília University tests 11910 kHz DRM on air now! 16-QAM MSC,
> Mode A, AAC + SBR. #drmlog'" -- Richard Langley
>
>

-- 

73! Ivo Ivanov


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