(Araucaria) [RIO-DX-GROUP] [Fwd: Help Wanted - Skimmer "Reverse Beacon" Network Going Operational]

Sexta Abril 4 18:12:23 BRT 2008

Alo Marcelo,

Beleza? O Pete, N4ZR, já está em contato com o DL6MHN para que ele rode 
o "agregator".

Estamos querendo montar uma rede organizada, para alimentar o banco de 
dados, que estará publico para todos. Por enquanto apenas o skimmer do 
N4ZR está alimentando o banco de dados, e, a quantidade de spots que 
aparecem é impressionante.

Um passo mais adiante será a organização do projeto, e tentaremos fazer 
acordo com fabricantes de SDR's para que popularizemos a brincadeira. 
Eventualmente poderemos até reunir fundos e comprar infra estrutura para 
colocar em locais distantes onde ainda não tenha nenhum beacon próximo.

Na verdade, esse projeto será como se fosse uma rede de beacons do 
NCDXF, só que ao contrário, e onde qualquer um poderá participar com seu 
  "beacon-ao-contrário".

Quanto ao seu SDR, envie uma mensagem para a QRP-BR que provavelmente 
alguem poderá lhe ajudar.

73,

Felipe - PY1NB

marcelo em alternex.com.br wrote:
> 
> 
> 
> Felipe
> 
> Parabéns por mais essa iniciativa.
> 
> Quem tem trabalhado muito com o Skimmer, inclusive com interligação 
> telnet e reverse
> beacon é o Michael, DL6MHW.
> 
> Ele inclusive, pelo que lembro, interligou o beacon num cluster lá na DL 
> e quase foi
> linchado por causa da quantidade de spots que gerou, hihi. Daí essa 
> idéia de uma rede
> separada ser bem interessante, na minha opinião.
> 
> Saindo um pouco do tema da rede, e enveredando pelo uso do Skimmer em 
> contestes, ele
> também fez uma experiência no RDXC integrando o Skimmer ligado em uns 
> receivers wideband
> e o Wintest. Ele configurou um servidor de cluster na máquina dele, 
> interligou o
> Skimmer, escreveu uns aplicativos em perl para transformar o formato dos 
> spots,
> consolidar e colocar no bandmap do wintest. Não entendo nada de perl, 
> servidor cluster,
> essas coisas, mas o resultado me interessa muito.
> 
> Entra em contato com ele, hoeding em fh-brandenburg.de 
> <mailto:hoeding%40fh-brandenburg.de> acho que pode ser interessante.
> 
> Por fim, eu tenho uns kits de receptores wideband (softrock), mas estou 
> absolutamente
> sem tempo para monta-los, além de estar completamente sem prática com o 
> ferro de solda.
> Faz anos que só soldo PL-259. Acho que vou terceirizar esse trabalho. 
> Alguma dica?
> 
> Um abraço
> 
> Marcelo, PY1KN
> 
>  > REPASSANDO
>  >
>  > -------- Original Message --------
>  > Subject: Help Wanted - Skimmer "Reverse Beacon" Network Going Operational
>  > Date: Thu, 03 Apr 2008 07:10:14 -0400
>  > From: Pete Smith <n4zr em contesting.com <mailto:n4zr%40contesting.com>>
>  > To: CQ-Contest em contesting.com 
> <mailto:CQ-Contest%40contesting.com>,N1MMLogger em yahoogroups.com 
> <mailto:N1MMLogger%40yahoogroups.com>,
>  > DX-IS em yahoogroups.com <mailto:DX-IS%40yahoogroups.com>
>  > CC: Felipe Ceglia - PY1NB <felipe em dxwatch.com 
> <mailto:felipe%40dxwatch.com>>
>  >
>  > [Moderator please note - this is largely a repost from last weekend -- I
>  > should know better than to post a message of this sort in the middle 
> of the
>  > WPXSSB weekend!]
>  >
>  > PY1NB is developing a server to handle data from a worldwide network of
>  > "reverse beacons" utilizing VE3NEA's CW Skimmer. Now that Alex has
>  > released version 1.1, which incorporates a Telnet server, there is an
>  > opportunity for users of CW Skimmer world-wide to help with this
>  > potentially fascinating development.
>  >
>  > For those who came late to the subject, a "reverse beacon" is a CW 
> Skimmer
>  > combined with a wide-band receiver (such as a SoftRock Lite ($13!))
>  > capable of
>  > receiving a wide swath of a CW band. My experimental reverse beacon,
>  > operating on 20 meters for the last several weeks, is a conceptual 
> test of
>  > the idea. It is currently chugging along, at a telnet address of
>  > 24.126.38.27 port 7300, sending out "spots" of everything it hears on the
>  > band. Anyone with a telnet client, including virtually all the current
>  > general and contest logging programs, can connect to it just like a DX
>  > cluster node.
>  >
>  > The purpose of the aggregator or "hub server" is to provide a single 
> point
>  > to which users of the future "reverse beacon" network can connect. Direct
>  > connections to any individual CW Skimmer will probably quickly 
> overload the
>  > computer CPU, although I have had as many as 13 simultaneous telnet
>  > connections with a relatively busy band to report on. It's not hard to
>  > conceive of several hundred simultaneous users, hence the need for the
>  > server.
>  >
>  > Even more important, the hub server will support a variety of 
> queries. For
>  > example, you will be able to transmit a CQ on any band, wait a few 
> seconds,
>  > and then ask the server, "Where am I being heard?" Similarly, you will be
>  > able to ask the server, "What bands is Station X being heard on, and at
>  > what locations." Spots will be archived in a database, so that you 
> can ask
>  > retrospective questions like "When did Station X begin operation on 20
>  > meters yesterday." There will undoubtedly be many fascinating uses that
>  > can be made of the data, either displaying it cartographically or in
>  > response to complex queries like this.
>  >
>  > But first, we need Skimmer owners to serve as "reverse beacons." If you
>  > have CW Skimmer 1.1 working, are using a broadband receiver of any 
> sort to
>  > feed it with 48 KHz or more of any CW band, and you have an "always on"
>  > connection to the Internet, then you can be part of this effort. If you
>  > are not
>  > yet using Skimmer but the idea sounds intriguing, it costs nothing to
>  > try. Start
>  > with a trial copy of Skimmer and the audio from your radio; if it is fun,
>  > invest in
>  > a SoftRock Lite receiver kit for $13, buy a Skimmer license, and 
> you're off
>  > and running. Not only will you have the opportunity to help with the
>  > network,
>  > but you will be able to decide for yourself whether CW Skimmer will fit
>  > into your
>  > contest or DX operating, because the same CW Skimmer can be used
>  > simultaneously to feed
>  > the reverse beacon network and your logging program.
>  >
>  > You don't have to commit to 24/7 availability of your CW Skimmer
>  > station. Mine will be shut down when thunderstorms are in my area this
>  > spring and summer, for example; the server is smart enough to resume
>  > receiving spots from a "reverse beacon" when it returns to
>  > action. Obviously, though, the more stations that are available at any
>  > given time, the better the network will be.
>  >
>  > If you'd like to get involved, drop me a note, and I'll help you get
>  > started. You can download a full-featured 30-day trial copy of CW Skimmer
>  > 1.1 from www.dxatlas.com. Even if you initially downloaded the trial
>  > version of 1.0, and your trial has ended, version 1.1 offers a new trial
>  > period.
>  >
>  > The prototype hub server is located at http://skimmer.dxwatch.com. 
> <http://skimmer.dxwatch.com.> It is
>  > up and running. You can also get the flavor by contacting my CW Skimmer
>  > at 24.126.38.27 port 7300, using the telnet "packet" input of your 
> logging
>  > software or the standalone telnet client that comes with Windows. 
> Check the
>  > instructions of your logging program or telnet client to learn how to
>  > designate the port - typically, there are already DX clusters on the node
>  > list of your software that are using explicitly designated ports, so you
>  > can follow their example.
>  >
>  > See you on the network?
>  >
>  > 73, Pete N4ZR
>  >
>  > _______________________________________________
>  > CQ-Contest mailing list
>  > CQ-Contest em contesting.com <mailto:CQ-Contest%40contesting.com>
>  > http://lists.contesting.com/mailman/listinfo/cq-contest 
> <http://lists.contesting.com/mailman/listinfo/cq-contest>
>  >
>  > 73, Pete N4ZR
>  >
>  >
>  >
> 
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