[OZAPRS] European v US new paradigm

[Dion Bramich]

Hi Richard,
There is no problem at the moment, but as it is I see a potential for  
problem.  I'll continue watching and see what happens over the next few  
months.

Dion.


On Tue, 24 Oct 2006 00:01:05 +1100, Richard Hoskin <vk3jfk at amsat.org>  
wrote:

>
> Gday Dion,
>
> Traffic from VK3VHF-1 is temporary solution while we are in between the
> implementation of stages one and two of the Frequency Change Project. It
> will be removed in a few months time and replaced by the usual IGate  
> traffic
> network which is VK3 centric so you will not see it in VK7.
>
> However, even though our digis may not digipeat each others IGate
traffic
> unless we choose to, each digipeater will still hear the other digi  
> transmit
> and therefore hold off until the transmission has stopped. This will  
> reduce
> the free air time and have the potential to produce packet collisions at
> both of the digipeaters. (This in effect reduces the digipeaters
coverage
> range.) Hence we need to be aware of the data traffic levels our local
> networks are producing as this may affect our neighbours' network. (One

> way
> to do this is with the UI-Traffic Monitor another is SiteAlert)
>
> If the current 3VHF temporary system is causing VK7 problems and you  
> would
> like us to reduce the transmission rate from 3VHF-1 please let me know.
>
> Cheers
> Richard
> VK3JFK
>
>> -----Original Message-----
>> From: ozaprs-bounces at aprs.net.au [mailto:ozaprs-bounces at aprs.net.au] On
>> Behalf Of Dion Bramich
>> Sent: Monday, 23 October 2006 10:12 PM
>> To: VK / ZL APRS Users
>> Subject: Re: [OZAPRS] European v US new paradigm
>>
>> VICn is support a very good idea.  How do you propose to control
traffic
>> across the strait?  I'm worried that through summer VK7RAA will be
>> unusable at times as a result of WIDEn type traffic from Victoria
>> saturating it.  Recently I had a screen full of Victorians gated by
>> VK3VHF, all via VK7RAA.  What If we dont want to see all that?  With  
>> your
>> system, we have no choice.
>>
>> Dion.
>> VK7YBI
>>
>> On Mon, 23 Oct 2006 22:28:35 +1100, Richard Hoskin <vk3jfk at amsat.org>
>> wrote:
>>
>> >
>> > Hi Scott,
>> >
>> > I tried to get some discussion happening some time ago on the admin  
>> list
>> > but
>> > it did not go very far so we assumed that most people were in  
>> agreement
>> > or
>> > did not care. You were one of the few contributors.
>> >
>> > If anyone wants to read about the 'New Paradigms' visit
>> > http://web.ew.usna.edu/~bruninga/aprs/fix14439.html
>> >
>> > The EU new-paradigm in VK3 will support the US new-paradigm and
retain
>> > RELAY
>> > and for a time WIDE. (The retention of WIDE is to reduce Operator
>> > confusion
>> > and be backwards compatible with the 144.900Mhz system during  
>> cut-over.)
>> > So
>> > there is some cross compatibility. VK3 will support a maximum of 3  
>> digi
>> > hops
>> > in the US form of WIDE1-1,WIDE2-2 however WIDE3-3 will not be  
>> supported
>> > nor
>> > will VICn-N at this time.
>> >
>> > VK3 Digipeaters that have been converted to the new-paradigm will use

>> an
>> > overlay symbol of L. Relay only station will use an overlay symbol of

>> 1.
>> > They currently use E,T & R but this was an oversight.
>> >
>> > Cheers
>> > Richard
>> > VK3JFK
>> >
>> >
>> >> -----Original Message-----
>> >> From: ozaprs-bounces at aprs.net.au [mailto:ozaprs-bounces at aprs.net.au]

>> On
>> >> Behalf Of Scott & Clare Evans
>> >> Sent: Monday, 23 October 2006 6:16 PM
>> >> To: 'VK / ZL APRS Users'
>> >> Subject: Re: [OZAPRS] European v US new paradigm
>> >>
>> >>
>> >> What I find interesting is that there hasn't been any discussion as

>> to
>> >> the
>> >> adoption of which one to go with! It appears VK3 have made that
>> decision
>> >> for
>> >> themselves! (Future discussion required me thinks!) The two systems
>> will
>> >> co-habitate
>> >>
>> >> Here in VK7 we have "Testing" the US version (since April) having
>> "WIDE"
>> >> traceable & limited to 3 hops (WIDE3-3)(TNC CMD UITRACE) and the use

>> of
>> >> "TAS" unlimited up to TAS7-7 (TNC CMD UIFLOOD) with Dup checking set

>> to
>> >> 9
>> >> seconds thus dropping the use of RELAY - WIDE - TRACE
>> >>
>> >> 73 de VK7HSE Scott Evans
>> >>
>> >> -----Original Message-----
>> >> From: ozaprs-bounces at aprs.net.au [mailto:ozaprs-bounces at aprs.net.au]

>> On
>> >> Behalf Of Mike Townsend
>> >> Sent: Monday, 23 October 2006 6:32 PM
>> >> To: Ozaprs at aprs.net.au
>> >> Subject: [OZAPRS] European v US new paradigm
>> >>
>> >> Hello,
>> >> 1 - Can somebody please explain the basic difference between the two
>> >> standards.
>> >> 2 - Also from what I read RELAY is defunct and should not be used
but
>> >> this
>> >> appears not to be the case here in NSW.
>> >> 3 - If we have agreed on implimenting the EU version nationally has
>> >> anything
>> >> been done with the NSW Digis. If not surely it would not be that
>> >> difficult
>> >> to organise the change over to the new paradigm.
>> >> Regards Mike VK2INT
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>>
>>
>>
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