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ZL3AI > APRDIG 13.03.03 10:10l 275 Lines 9498 Bytes #999 (0) @ WW
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To : APRDIG@WW
TAPR APRS Special Interest Group Digest for Saturday, March 08, 2003.
1. Re: [Fwd: Stolen Vehicle-RECOVERED using APRS]
2. aprs.net.au server to go offline
3. HAM Demos
4. APRS-IS and IGATES
5. RE: APRS-IS and IGATES
6. APRS everywhere in USA.
7. Re: APRS and snow depth reporting?
8. RE: APRS everywhere in USA.
9. Emergency ??
10. Re: Garmin and KNET
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Subject: Re: [Fwd: Stolen Vehicle-RECOVERED using APRS]
From: Earl Needham <needhame@yucca.net>
Date: Sat, 08 Mar 2003 15:56:19 -0700
X-Message-Number: 1
At 10:56 PM 2/26/2003 -0600, Claude Head wrote:
><snip>
>So, three meth-head dirtbags in jail. There are more suspects (how did the
>keys get from the FBO to the meth-head?)
><snip>
Sure would like to hear a little more about this sentence...
7 3
Earl
Earl Needham, KD5XB, Clovis, New Mexico DM84jk
KD5XB-2>APW251,PCSAT-1%:=3425.83N/10313.55W-PHG7150/WinAPRS 2.5.1
-EARL_CLOVIS -251-<630>
SETI@Home: 10473WU/6.84yrs!
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Subject: aprs.net.au server to go offline
From: "Darryl Smith" <Darryl@radio-active.net.au>
Date: Sun, 9 Mar 2003 10:57:15 +1100
X-Message-Number: 2
People
We have recently been notified that the organisation that has been
prodiding the APRS.NET.AU server is unable to continue to provide this
service. Thankfully we have located an alternative for the
WWW.APRS.NET.AU WWW site and will be switching over to this new server
at about 7:00 PM this evening Sydney time (Sunday 9/March). We will also
be switching APRS.NET.AU to SECOND.APRS.NET.AU removing the redundancy
that we have had until now.
Hopefully we can find a new host for aprs.net.au and restore full
redundancy to the VK APRS-IS shortly.
Darryl
---------
Darryl Smith, VK2TDS POBox 169 Ingleburn NSW 2565 Australia
Mobile Number 0412 929 634 [+61 4 12 929 634 International]
Darryl@radio-active.net.au | www.radio-active.net.au
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Subject: HAM Demos
From: Bob Bruninga <bruninga@usna.edu>
Date: Sat, 8 Mar 2003 19:31:26 -0500 (EST)
X-Message-Number: 3
Here is a simple way to demonstrate both Time Division Multiple Access
(TDMA)(packet) and Frequency Division Multiple Access (FDMA) to students
(or your ham club)...
Load AGWPE(sound-card packet) and DIGIPAN (sound card PSK-31) on to a
handful of laptops. Set the laptops on a large central table and let them
play! Using only the speakers and Mic's in the laptops, everyone can send
and receive packet (TDMA) using the AGWPE software and then use PSK-31 to
communiate via FDMA...
No hardware required. Works on anything with a sound card. No license
required since it is AUDIO filling the room.
Might be a good idea for a HAM club meeting also. Just tell everyone to
bring their laptops. We even had 14.070 tuned in on an HF rig with the
speakers adding to the din in the room. This brought live QSO's in to the
mix as well.
I was pleased to see that some typically bored students actually had so
much fun, they wanted to know more... such as how to extend their range.
Of course the telephone, or any other audio channel can be used. Or even
some licsene free radio devices (though CB, FRS and GMRS prohibit digital
or tones for more than 10 seconds)...
Anyway, it was fun.
(we only did the PSK-31 portion, because I didnt think of it till an hour
before class and had no time to get AGWPE...) but next year, I can think
of lots of new twists..
de WB4APR, Bob
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Subject: APRS-IS and IGATES
From: Bob Bruninga <bruninga@usna.edu>
Date: Sat, 8 Mar 2003 19:38:08 -0500 (EST)
X-Message-Number: 4
IGate authors and Gurus...
There have been lots of discussions on here about filtering, but am I
correct that any UI packet heard by an IGate will still be passed to the
APRS-IS? The telemetry from the next PCSAT2 will be once every 3 minutes
or so, and we want to be sure it will make it through the APRS-IS.
We will use the experimentatl TYPE character and a special identifier.
I just wasnt sure about all the filtering...
BOb
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Subject: RE: APRS-IS and IGATES
From: "AE5PL Lists" <HamLists@ametx.com>
Date: Sat, 8 Mar 2003 18:57:27 -0600
X-Message-Number: 5
Speaking for javAPRSSrvr and javAPRSFilter, all packets presented to the
server by an IGate will be passed on to all full feed ports.
As clarification, the following applies:
All packets that a server receives from a verified connection (valid
password) will be processed for sending to ALL connections.
Packets with NOGATE or RFONLY in the path may be dropped by the server
as well as server originated messages such as messages to USERLIST
because those messages are meant for only the directly connected client.
Duplicate packets will be dropped (dupe time is normally 30 seconds).
Each valid packet is sent to every connection for further processing.
If the packet passes the criteria set for that particular connection, it
is passed to the client, otherwise it is skipped. The criteria can be
based on type of port (e.g. message-only ports) or on filter settings
(e.g. javAPRSFilter settings). A full feed port such as port 23 on the
core servers or port 10152 on the tier 2 servers will pass all
non-duplicate packets that the server sees from all other servers,
IGates, and clients.
So, the short answer to your question is "filtering" has no affect on
packets being passed by IGates to APRS-IS and therefore your packets
will be seen by all servers and clients connected to full feeds. Your
packets should show up on findu.com as well if findu is set up to parse
them.
73,
Pete Loveall AE5PL
pete@ae5pl.net
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Subject: APRS everywhere in USA.
From: Bob Bruninga <bruninga@usna.edu>
Date: Sat, 8 Mar 2003 19:57:31 -0500 (EST)
X-Message-Number: 6
Remember, if you have a special need to reach anywhere in the USA on
144.39 for a special event or trip or experiment, PCSAT has a digipeater
on 144.39 that comes over everywhere in the USA 5 or 6 times a day.
You may have noticed PCSAT-11 on your mobile everynow and then as it
downlinks there. The uplink is unpublished but available for special
purposes. PCSAT is doing well these days...
Its public 145.825 digi even operates just like any other APRS digi by
responding to RELAY, WIDE or even WIDEn-N. Just QSY your radio to 145.825
for a few hours in the middle of the day. and you should capture several
people...
You can be in the bottom of a canyon in nowhere kansas and still use it
those few times a day...
de WB4APR@amsat.org, Bob
PCsat WEB page http://www.ew.usna.edu/~bruninga/pcsat.html
ISS-APRS FAQ: http://www.ew.usna.edu/~bruninga/iss-faq.html
CUBESAT Designs http://www.ew.usna.edu/~bruninga/cubesat.html
APRS LIVE pages http://www.ew.usna.edu/~bruninga/aprs.html
APRS SATELLITES http://www.ew.usna.edu/~bruninga/astars.html
MIM/Mic-E/Mic-Lite http://ssdl.stanford.edu/mims/
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Subject: Re: APRS and snow depth reporting?
From: Steve Dimse <k4hg@tapr.org>
Date: Thu, 27 Feb 2003 20:40:32 -0500
X-Message-Number: 7
On 2/27/03 at 6:39 PM jjeffers@aprsworld.net (James Jefferson) sent:
>Steve, what is the correct listing? I would love to have snowfall capabilities
>in aprsworld.net and maybe develope some hardware for measuring it and
>sending APRS frames. Right now that seems to be impossible because sustained
>wind speed has the same identifier, in the spec at least.
I don't know that this has ever been resolved...
Steve K4HG
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Subject: RE: APRS everywhere in USA.
From: Bob Bruninga <bruninga@usna.edu>
Date: Sat, 8 Mar 2003 20:25:03 -0500 (EST)
X-Message-Number: 8
On Sat, 8 Mar 2003, Peter "Dakota" Summerhawk wrote:
>Bob, I have thinking of traveling in the hills of WY for a camping trip
>and will be out of the range of a digi by a good 40 miles or so. I take
>it PCsat will pick up my track from a ht with just a duck on it? I have
>been running aprs in the car but not on PCsat. Will 5W get me up there
>and back down? Peter "Dakota" Summerhawk APRS/SSTV/VHF/UHF
Sure,
Yes, whenever you are out of range of the terrestrial system, just QSY
your radio to 145.825 and you will get in when PCSAT flies over... with no
change in settings..
PCsat is currently flying over the USA betwen about 10 AM and 2 PM. But
this moves earlier about 20 minutes every day...
Bob
----------------------------------------------------------------------
Subject: Emergency ??
From: "Joe Della Barba" <joe@dellabarba.com>
Date: Sat, 8 Mar 2003 20:59:31 -0500
X-Message-Number: 9
All I got was this:
KB8YJV>EMERGENCY
73
Joe N3HGB
----------------------------------------------------------------------
Subject: Re: Garmin and KNET
From: RWendel@aol.com
Date: Sat, 8 Mar 2003 22:28:38 EST
X-Message-Number: 10
IN PART (EDITED) MATT WROTE:
<< I'm trying to setup a KPC-9612 (not the plus version) for use in a vehicle
with only a GPS and radio attached.>>
Matt,
You may have already done this, but be sure you went into your Garmin setup
and set the com settings for NMEA.
Randy km0d
Bloomington MN
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