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ZL3AI > APRDIG 27.10.06 05:29l 269 Lines 8889 Bytes #999 (0) @ WW
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Read: GUEST
Subj: [APRSSIG] Vol 28 #11, 2/4
Path: DB0FHN<DB0FOR<DB0SIF<DB0EA<DB0RES<F6GGY<F4BWT<IW2OAZ<ZL2BAU
Sent: 061027/0421Z @:ZL2BAU.#87.NZL.OC #:11486 [Waimate] $:8892-ZL3AI
From: ZL3AI@ZL2BAU.#87.NZL.OC
To : APRDIG@WW
Message: 10
Date: Tue, 10 Oct 2006 17:09:13 -0400
From: "Robert Bruninga" <bruninga_at_usna.edu>
Subject: RE: [aprssig] Low band APRS (was Re: 9600b UHF APRS IS THE
FUTURE OF APRS)
>One thing that quickly became clear on 30m was that 200Hz SSB tone spacing
>requires a very precise oscillator. For unattended APRS operation at
>30m you're talking 1 or 2ppm accuracy. At 10m you'd have to do even
>better.
I was thinking in terms of 1200 baud. That makes the frequency Tolerance
much less and also lets you use any-old TNC. I think 1200 baud is legal on
the 10m band?
Bob, WB4APR
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Message: 11
Date: Tue, 10 Oct 2006 15:03:01 -0700
From: "Mark Fellhauer" <sparkfel_at_qwest.net>
Subject: [aprssig] Help with DSL Modem
I ran into a problem today.
We're trying to replace an old BEFSR41 Linksys router that's mated to a
Verizon Westell 2110 DSL Modem. The current modem is set to DHCP on the
WAN side, so I went ahead and plugged in a new Linksys WRT54GS Router into
the Westell and expected to be back online in seconds. That turned into a
3 hour ordeal before giving up for the day.
For some reason the old router works perfectly, but a new WRT54GS and a
D-Link WBR-1310 REFUSE to accept an IP address on the WAN side from the
Westell. I even spent about an hour with a Verizon tech and stumped her too.
We did power resets and even hard resets and the old DSL modem will not
link up with either new router. Tried MAC cloning - no good. Plug in the
old router and it runs like a champ using the same cable. Could it be that
I need to use a x-over cable? I would have tried that, but forgot to bring
one. I would think that's not the issue... a new router should auto MDIX.
Anybody got any suggestions for getting the two to work? This site is 44
miles away and on the side of a mountain. I'd rather not have to drive
there much more.
We're not against replacing the DSL modem, but I'd like not to have to deal
with reprovisoning a new DSL modem. We need wireless and have run into an
issue with Port Forwarding on the old Linksys and the software vendor
assures us his software will work with a newer router. If this weren't
the issue I have about a dozen Senao 2611's that I'd chunk onto the BEFSR41
for wireless access...
73,
Mark
KC7BXS
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Message: 12
Date: Tue, 10 Oct 2006 18:39:08 -0400
From: Brady Small <bradysmall_at_bellsouth.net>
Subject: Re: [aprssig] Help with DSL Modem
Mark,
Did you clone the old MAC address out of the old router and use the MAC
clone feature in the new router?
Brady
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Message: 13
Date: Tue, 10 Oct 2006 17:32:51 -0600
From: Joel Maslak <jmaslak-aprs_at_antelope.net>
Subject: Re: [aprssig] Help with DSL Modem
On Oct 10, 2006, at 4:39 PM, Brady Small wrote:
>Did you clone the old MAC address out of the old router and use the
>MAC clone feature in the new router?
DSL doesn't use MAC addresses.
------------------------------
Message: 14
Date: Tue, 10 Oct 2006 19:36:37 -0400
From: Drew Baxter <droobie_at_maine.rr.com>
Subject: Re: [aprssig] Help with DSL Modem
Not entirely true.. My DSL carrier requires you to register MAC addresses
in order to get access to their DHCP server. We don't use PPPoE here and
they don't allow the DHCP server to assign any unknown clients.
--Droo, K1XVM
At 07:32 PM 10/10/2006, Joel Maslak wrote:
>DSL doesn't use MAC addresses.
------------------------------
Message: 15
Date: Tue, 10 Oct 2006 18:38:51 -0500
From: Jim Duncan <jdbandman_at_earthlink.net>
Subject: Re: [aprssig] Help with DSL Modem
What kind of DSL modem are you using? I had a similar problem when I
upgraded from a BEFR to a WRT54G here. Sprint (my local provider) gave
me a set of commands to send to the modem through telnet access which
made everything hunky-dorey...
Jim Duncan, KU0G
P.S. Ya, it's really me! Just spend most of my time in "lurk" mode since
"the high-jacking"
--
73 de Jim, KU0G
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Message: 16
Date: Tue, 10 Oct 2006 19:09:07 -0500
From: John Becker <w0jab_at_big-river.net>
Subject: [aprssig] Jim Duncan, KU0G
Jim
I sent you a message but you system is holding it.
I REFUSE to do what I was ask to do so you can see it.
John, W0JAB
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[commercial content deleted]
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Message: 18
Date: Tue, 10 Oct 2006 19:28:06 -0500
From: Mark Earle <wa2mct_at_mearle.com>
Subject: Re: [aprssig] Marathon support with APRS
Bob Bruninga wrote:
>>I worked a 17 mile off-road foot race this past weekend and did not see that
>>APRS would have been of much value to the communications network.
>>
>
>Here is the top down priority list of how we use it:
>1) Tracker on Lead vehicle
>2) Tracker on tail vehicle
>3) Tracker on VIP in charge and other VIP's
>4) Trackers on SAG wagons and other important support
>vehicles.
>
>That covers the logistics items.
>
>Then for the entertainment value to the thousands watching, we used the
>special APRSdos dead-reckoning version that allows all manner of humans in
>the race to be tracked, without needing any RF trackers. It simple
>dead-reckons the position of any special runner around the course.
>TYpically then we add these moving objects to the race too:
>Lead Female
>The PACK
>Lead Wheel chair
>The Juggler (he juggles as he runs)
>Any other easy to recognize runner.
>
>These runners are transmitted by the APRSdos DR program and appear to all
>OTHER APRS programs as if these runners had trackers on them. This lets
>eveyrone see where these key "runners" are too. Only one person with
>headphones runs the APRS-DR program and keeps objects updated with his
>cursor as new reports come in. The progam keeps them moving...
>
>de WB4APR, Bob
We've used APRS to support MS-150 biking events.
One particularly large one (rider wise) is the Houston-Austin variant in
April. 13,000 or so riders.
Along the route, cell phone coverge doesn't work. All the rider support
vehicles (friends and family) have cell phones, many of the riders do, etc.
So, a dispatch point is manned by trained, real, 9-1-1 dispatchers.
The Amateurs call in trouble to dispatch. Dispatch uses APRS -based
asset location to dispatch the nearest resource - ambulance, usually.
Race managers like having location of SAG, support, lead, end of race, etc.
The route is 200 miles, with an overnight stop about 1/2 way. A UHF
linked system (voice) is used, as well as various 2m repeaters, and APRS.
A similar event, with "only" 3,000 riders, from San Antonio to Corpus
Christi was done this past weekend (I was not involved other than
watching my APRS screen). Good digi coverage, very few com problems,
from what I could tell observing.
The April event had about 15 trackers. The one this past weekend, about 10.
--
) ) de WA2MCT Mark
( ( Echolink 99190 Grid Square EL17HQ
) ) You will be assimilated... oooh, coffee!!
_|****| http://www.findu.com/cgi-bin/find.cgi?wa2mct-7 Home
( | | http://www.findu.com/cgi-bin/find.cgi?call=wa2mct-9 Mobile
`|____| wa2mct_at_mearle.com wa2mct_at_juno.com wa2mct_at_arrl.net
------------------------------
Message: 19
Date: Tue, 10 Oct 2006 19:33:50 -0500
From: Jim Duncan <jdbandman_at_earthlink.net>
Subject: Re: [aprssig] Jim Duncan, KU0G
LOL.... I had to turn on the spam blocker, John. Too much junk hitting
me lately. I'll be able to add you to the "OK Guy" list when I retrieve
"suspect email" later.... LMAO
JD
John Becker wrote:
>Jim
>I sent you a message but you system is holding it.
>I REFUSE to do what I was ask to do so you can see it.
--
73 de Jim, KU0G
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Message: 20
Date: Tue, 10 Oct 2006 20:49:24 -0500
From: Gregg Wonderly <gregg_at_wonderly.org>
Subject: Re: [aprssig] Help with DSL Modem
Joel Maslak wrote:
>On Oct 10, 2006, at 4:39 PM, Brady Small wrote:
>
>>Did you clone the old MAC address out of the old router and use the
>>MAC clone feature in the new router?
>
>
>DSL doesn't use MAC addresses.
The layer above that is the issue. At the pseudo ethernet layer that is in
place to allow ARP to be used, the modem does have a MAC address. Since
these devices are sold in the store, and people can connect them
themselves, the telephone companies and the cable companies, and others
with infrastructure that is commissioned into service enmasse, need
something to control who gets service. So, on the service provider's end,
many use the "MAC" address of the modem to control DHCP activities and thus
address assignment. Now, those who are devious, and in the know about
address ranges might be able to find a working address, but, in general,
you have to have a known MAC address to get service.
Gregg Wonderly
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