[aprssig] Is DXCluster still used?

Randy Love rlove31 at gmail.com
Wed Oct 15 18:19:45 CDT 2014


UI-DX Bridge

http://www.apritch.myby.co.uk/addon_agw.htm
http://www.apritch.myby.co.uk/uidx.htm

Needs AGWPE or compatible interface to send via RF.

WF5X

On Wed, Oct 15, 2014 at 6:12 PM, Randy Love <rlove31 at gmail.com> wrote:

> I have, in the past, used a program that injects DX cluster packets into
> my local AGWPE connection.
> If I can find that, there's no reason that it couldn't interface with
> AGWPE or some other sound modem and you could send them locally via an RF
> packet freq.
>
> What area are you in? There may be an RF DX cluster already on in your
> area. We'd just have to do a little digging.
>
> Randy
> WF5X
>
> On Wed, Oct 15, 2014 at 6:07 PM, Andrew P. <andrewemt at hotmail.com> wrote:
>
>>  Ah. Thanks for the info, Randy. I was hoping to find an RF-accessible DX
>> cluster in my area, so I could monitor or connect to it from the Scouts'
>> campground (where I don't have a landline Internet connection). Lets hope
>> my mobile Internet hotspot can reach some towers from camp.
>>
>>  Andrew, KA2DDO
>> -------- Original message --------
>> From: Randy Love <rlove31 at gmail.com>
>> Date:10/15/2014 16:04 (GMT-05:00)
>> To: TAPR APRS Mailing List <aprssig at tapr.org>
>> Subject: Re: [aprssig] Is DXCluster still used?
>>
>>  Andrew,
>>
>>  That status packet isn't DX in the same way as a DX cluster posts DX
>> spots.
>>
>>  That packet just mean that KV3B-1 was the most distant station that was
>> heard directly on the frequency at whichever station generated that status
>> packet.
>>
>>  DX clusters take input from stations that are working DX stations and
>> contain the call and the frequency that the DX station was contacted/heard
>> on. It will give you an idea of what DX stations are heard and where based
>> on the call of the station submitting the spot.
>>
>>  Most DX clusters are connected to via telnet session or software these
>> days instead of over packet links.
>>
>>  Once you establish a connection, you should immediately start to see DX
>> Spots from all over the world. A DX Spot looks something like this:
>>
>> DX de K1BI   14190.0  JA1ABC  20/9 big signal                   0750Z
>>
>> the spot tells you that K1BI worked JA1ABC on 20m (at 14.190MHz) at 0750
>> Z. Want to work the JA too? Just dial up the frequency, listen for him and
>> then call him. That's all there is to it -
>>
>>  It takes a little getting used to, but once you get the format, you can
>> interpret it ( or, in your case, probably write a java program to parse it
>> and make it look pretty. :) )
>>
>>  A list of available telnet dx clusters can be found here:
>> http://www.ng3k.com/misc/cluster.html
>>
>>
>>  Randy
>> WF5X
>>
>> On Wed, Oct 15, 2014 at 2:41 PM, Andrew P. <andrewemt at hotmail.com> wrote:
>>
>> I already read that document. It talks about the views in APRSdos and how
>> to configure it to handle PacketCluster messages, but it doesn't explain
>> the protocol syntax of the packets themselves.
>>
>>
>>
>> -------- Original message --------
>> From: Robert Bruninga <bruninga at usna.edu>
>> Date:10/15/2014 14:31 (GMT-05:00)
>> To: TAPR APRS Mailing List <aprssig at tapr.org>
>> Subject: Re: [aprssig] Is DXCluster still used?
>>
>>  The original APRSdos had DX cluster modes in it .
>>
>>
>>
>> See http://aprs.org/APRS-docs/DXCLUSTR.TXT
>>
>>
>>
>> There might be something useful in there.
>>
>>
>>
>> bob
>>
>>
>>
>>
>>
>> *From:* aprssig-bounces at tapr.org [mailto:aprssig-bounces at tapr.org] *On
>> Behalf Of *Andrew P.
>> *Sent:* Wednesday, October 15, 2014 2:15 PM
>> *To:* TAPR APRS Mailing List
>> *Subject:* [aprssig] Is DXCluster still used?
>>
>>
>>
>> If so, where can one find the radio protocol specification for it? I'm
>> trying to get ready to support the Boy Scouts' Jamboree On The Air, and
>> would like to have a way of finding them some "good" stations to talk to
>> (not being an experienced HF DXer myself). So I can use all the help I can
>> get.
>>
>>
>>
>> I can see APRS packets that look like
>>
>>
>>
>> >151803zDX: KV3B-2 14mi 313° 18:01 3857.05N 07652.41W
>>
>>
>>
>> but how do I interpret this? Which station is the DX, and what frequency
>> are they on?
>>
>>
>>
>> Are there other packet format within APRS for DXcluster reports? Are
>> other non-APRS packet protocols for DXcluster documented anywhere?
>>
>>
>>
>> Thanks in advance.
>>
>>
>>
>> Andrew, KA2DDO
>>
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>>
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>
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