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RE: [aprsisce] Re: Server DEV

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  • Fred Hillhouse
    Hi Lynn, I m not understanding everything you re trying to do Hopefully, this will help. The picture depicts all the pieces and connections. There are two
    Message 1 of 12 , Feb 16, 2011
    Hi Lynn,

    "I'm not understanding everything you're trying to do"

    Hopefully, this will help.

    The picture depicts all the pieces and connections. There are two radios;
    one is dedicated to APRS, the other is the FT857D. Both software
    applications, APRSIS32 and FT857D-CAT, reside on the same PC/netbook. TCIP
    would be the best connection between the applications.

    Note: There is no reason the FT857D can't be a IC-706 or other HF/VHF/UHF
    mobile radio other than I don't have any to play with. Currently, all others
    are over the horizon, out of sight.

    There is only an RF connection to the APRS network. That was not a mistake
    or oversight. This application is only used mobile and has no internet
    connection except for occasional Wi-Fi when the vehicle is in the driveway.

    The FT857D-CAT software polls the FT857D for the current frequency in use. A
    packet is sent to APRSIS32, through TCIP, for transmission over RF.
    The FT857D-CAT software receives packets from APRSIS32 and looks for
    information such as; a Kenwood radio transmitting its frequency data or
    repeater objects. The FT857D-CAT can then write the data to the FT857D when

    Note: The Kenwood radios can do this between each other right now. In fact,
    WB4APR calls on every Kenwood owner to do this. I am looking to getting in
    on this action without buying a Kenwood. Basically, I want to trolling for
    contacts on the frequency I have dialed up on my FT857D. I also use WB4APR's
    other totally awesome idea of Voice Alert when traveling.

    Since you have implemented a "server" function, I am thinking that
    FT857D-CAT can connect as a client and hopefully get everything APRSIS32
    This thinking is the basis for my original questions.

    You posted a link of instructions which I have only started to look at.
    Will APRSIS32 respond the same way now since it can be ran as a server?


    Best regards,


    From: aprsisce@yahoogroups.com [mailto:aprsisce@yahoogroups.com] On Behalf
    Of Lynn W Deffenbaugh (Mr)
    Sent: Tuesday, February 15, 2011 23:08
    To: aprsisce@yahoogroups.com
    Subject: Re: [aprsisce] Re: Server DEV

    I'm not understanding everything you're trying to do, but the new
    IS-Server port in APRSISCE/32 is designed to provide the same
    functionality as a filtered port on the APRS-IS itself. So, if you
    follow the instructions at http://www.aprs-is.net/Connecting.aspx you
    should be able to connect to either port 14580 on any standard APRS-IS
    server or the local server port configured into an APRSISCE/32
    instance. The only difference is that the local APRSISCE/32 server port
    will (currently) only give you the data that it is configured to
    receive, further filtered by your downstream client.

    Eventually I hope to merge filters (within the limits specified at
    http://www.aprs-is.net/javaprsfilter.aspx) from all downstream clients
    with the local server's filter and provide that to the upstream APRS-IS
    server. When I get this accomplished, a downstream APRSIS32 client
    opening a Ranged MultiTrack would actually increase the upstream
    server's filter to include the necessary components, all automatically.

    Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

    PS. Just don't try to configure an IS-Server type port on a serial
    device. They're only designed to work on TCP/IP connections. I have no
    idea what will happen if you connect one to a COMM port.

    On 2/14/2011 5:50 PM, Fred Hillhouse wrote:
    > My end goal is to emulate the D710 function that allows the D710 to send
    > own frequency settings and receive the same from other D710s but using a
    > FT857D and software. The D710 does this in an RF environment. My goal is
    > same. Since it is mobile, and I am too cheap for a data plan, there is no
    > internet. I would need APRSIS32 to send all received data to my radio
    > control application.
    > If I understand you correctly, my D710-FT857D client application needs to
    > send a request, or multiple requests, to the APRSIS32 Server Instance to
    > data.
    > How often does this request need to be sent from the client to the server?
    > Does the data only come from the internet servers or from all ports
    > connected to the server instance?
    > Does the server instance need to have no filtering set so that it passes
    > everything heard?
    > Since this client is mainly for mobile use, I can see that for the most
    > no filtering would be needed in a client, since the RF world does not see
    > anywhere close to the data feed available on the internet. Although, when
    > the server is connected (vehicle parked with Wi-Fi on), then filtering is
    > probably wanted.
    > Sending objects (or other packets in general) from other software was
    > already available. And, from the same SSID if needed. But, it required two
    > serial ports. This could be done with two virtual serial ports or with
    > external serial ports and null cable. I did it with the latter.
    > With the TEXT port, I can send packets from another application to
    > and it will be forwarded out the ports. For testing, I hand formed a
    > and pasted it into Hyper Terminal which was connected via a null serial
    > cable to a TEXT port. The packet showed up on APRIS.FI. It couldn't
    > anything that was not address to the APRSIS32 client instance.
    > Thanks!
    > Best regards,
    > Fred, N7FMH
    > ________________________________
    > From: aprsisce@yahoogroups.com <mailto:aprsisce%40yahoogroups.com>
    [mailto:aprsisce@yahoogroups.com <mailto:aprsisce%40yahoogroups.com> ] On
    > Of g4ilo
    > Sent: Monday, February 14, 2011 16:24
    > To: aprsisce@yahoogroups.com <mailto:aprsisce%40yahoogroups.com>
    > Subject: [aprsisce] Re: Server DEV
    > No. The IS-SERVER functions essentially as a local version of one of the
    > servers on aprs2.net or wherever you would otherwise connect to. It sends
    > whatever the program that connects to the server requests. The APRSIS32
    > server is also useful for sending stuff TO the APRS network like objects
    > so on.
    > Received traffic is sent to the APRS-IS port as usual.
    > Julian, G4ILO
    > --- In aprsisce@yahoogroups.com <mailto:aprsisce%40yahoogroups.com>
    <mailto:aprsisce%40yahoogroups.com> , "Fred
    > Hillhouse"<fmhillhouse@...> wrote:
    >> Greetings,
    >> For those that are playing with the server function that recently added
    >> the development version:
    >> Does APRSIS32, when configured as a server, send all received traffic out
    >> the server port?
    >> Thanks!
    >> Best regards,
    >> ------------------------------------
    >> Fred Hillhouse Jr
    >> http://kevan.org/brain.cgi?N7FMH
    >> ------------------------------------
    > ------------------------------------
    > Yahoo! Groups Links
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