[aprssig] The East will Rise again! (at 9600?) VHF-YES!
Brian D Heaton
ky9k-lists at ky9k.org
Fri May 6 19:15:48 CDT 2016
The backbone and users access ports should absolutely be on different
On 5/6/2016 17:00, Robert Bruninga via aprssig wrote:
> I looked around at 900 MHz and 6m, but then realized that the whole
> point was to build a 9600 baud network that could be used by EVERYONE
> with existing APRS integrated radios that have built in 9600 baud TNC’s.
> It wouldn’t make sense to build a backbone that required all new
> radios and equipment to use. We’d have no users in an emergency…
> SO now I am pretty much sold on the idea of 2 meters. Its that or
> UHF, but UHF between omnis takes almost 9 dB more link power/budget.
> I also did the math for solar powered nodes and it is on my new page:
> Looks like a 20Watt solar panel and 7 Ahr gelcel is a start using the
> KPC-9612 and one of the $150 digital radios from argent…
> Photos on the page…
> Bob, WB4aPR
> *From:*Robert Bruninga [mailto:bruninga at usna.edu
> <mailto:bruninga at usna.edu>]
> *Sent:* Thursday, May 05, 2016 1:29 PM
> *To:* aprssig at tapr.org <mailto:aprssig at tapr.org>
> *Cc:* bruninga at usna.edu <mailto:bruninga at usna.edu>
> *Subject:* The East will Rise again! (at 9600?)
> SAVE your KPC9612’s Boys, the East will RISE AGAIN!
> The Golden Packet team is toying with the idea of making our annual
> Appalachian mountain digipeater string from Maine to Georgia permament
> and making it a 9600 baud network for emergency and ham radio disaster
> response and play. We already have 3 of the 14 sites with approval
> for installations…
> Lets face it, traditional packet networks are dead and although APRS
> is alive and well, it is specific and only operates at 1200 baud.
> Although all fully integrated APRS radios work perfectly well at 1200
> and 9600 baud, all of the existing APRS network is 1200 because all
> the digipeaters (not integrated APRS radios) operate at 1200 and the
> majority of all home APRS stations and IGates use TNC’s that operate
> at 1200. A huge legacy. Besides, going to 9600 only barely doubles
> APRS speeds while degrading link reliability.
> So, since we have already shown for 6 years now, that this long 2000
> mile linear chain of mountains and valleys can support a 2000 mile
> network with only 14 digis, why not establish a long haul 9600 baud
> Node chain from Maine to Georgia which could be a significant boost to
> Packet radio emergency operations. The network would not operate as
> APRS digipeaters but as KAnodes. As we all knew back in the 1990’s
> link-by-link acknowledgment was vastly superior to end-to-end.
> We already have three sites in MD, and PA … But we need more than
> hikers, to get us access to some existing ham radio maintained sites.
> We do NOT want nodes to branch off down into the plains. These nodes
> would bog down the network. No, the main backbone would be to support
> emergency operations with beams that can point up to the mountains to
> pass traffic.
> So, we are splashing this onto the APRSSIG to see if people have SITE
> access and/or have unused 9600 baud KPC-9612’s to step up and lets see
> what we got. Also will need a freq. I’m thinking 145.01 but every
> time I think of it, people give feedback, and I LOSE or forget the
> feedback as to what existing systems are already on 145.01, such as DX
> clusters, etc…
> Every day we get MORE AND MORE addicted to our wireless
> infrastructure, which we all know, will be hard to access in a real
> emergency. We need to keep the Ham radio Plan-B alive…
> Bob, WB4APR
> aprssig mailing list
> aprssig at tapr.org
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