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| Subject: | IMO SYNOPTIC was Re: LF: The Wideband Noise |
| From: | Warren Ziegler <[email protected]> |
| Date: | Fri, 5 Nov 2010 08:50:52 -0400 |
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Sources tell me that the International Maritime Organization (IMO)
has a proposed system called "SYNOPTIC" in the works for the 500kHz
range.
They have proposed three channels with OFDM signals with 10-20 kHz bandwidth.
--
73 Warren K2ORS
WD2XGJ
WD2XSH/23
WE2XEB/2
WE2XGR/1
On Fri, Nov 5, 2010 at 8:15 AM, Graham <[email protected]> wrote:
> As to what is experimental about a 4 Khz wide multi-psk signal in the
> year 2010 , im not sure
> my copy of MT63 by IZ8BLY is dated > 1999-2004 Nino Porcino < and still
> runs under
> win-xp-pro....
>
> Last night round 2400 z , while having a look at wspr, the F-Fuzz
> reached 10 to 15 dB over the noise floor
> at IO83LK, and that was with a 35 ft top loaded vertical
>
> G..
>
>
>
> --------------------------------------------------
> From: "Roelof Bakker" <[email protected]>
> Sent: Friday, November 05, 2010 10:44 AM
> To: <[email protected]>
> Subject: Re: LF: The Wideband Noise
>
>>
>> Hello Dave,
>>
>> Someone who lives close to the Lessay site in France reported it also
>> quite strong at daytime on the NDB-list.
>> As France is mentioned as where this signal comes from, the Lessay site
>> might be an option.
>>
>> 73,
>> Roelof, pa0rdt
>>
>>
>>
>>
>>
>
>
>
>
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