[OZAPRS] Alpine Rally - APRS & RF conditions
Ray Wells
vk2tv at exemail.com.au
Wed Nov 28 10:14:23 EST 2007
Dion Bramich wrote:
>There is no problem. What I dont like is one particular person assumes
>authority of "Big National APRS Network", just because the network he is
>in has just moved over to the "National APRS Frequency". When they were
>on 144.9, he couldnt have cared less.. He complains of the effect
>Tasmania has on Victoria, but has he ever considered the reverse? We
were
>here first.. :P
>
>Dion.
>
>On Tue, 27 Nov 2007 23:23:28 +1100, Kim Stevens <kste9702 at bigpond.net.au>
>wrote:
>
>
>
>>Hi All,
>>
>>I see the single freq as the greatest benefit overall, where stations
>>can travel anywhere and have a local system feed 'em into the network..
>>
>>Ahh you say but the long range interference.. Well how about thinking
>>about how often this propagation occurs, and lets not forget capture
>>effect on FM receivers..
>>
>>I certainly don't know all the answers but I am yet to be convinced the
>>changes to the network are a real problem!!!!
>>
>>Kim
>>
>>Kim Stevens VK2ASY
>>-----Original Message-----
>>From: ozaprs-bounces at aprs.net.au [mailto:ozaprs-bounces at aprs.net.au] On
>>Behalf Of Richard Hoskin
>>Sent: Tuesday, 27 November 2007 7:47 PM
>>To: 'VK / ZL APRS Users'
>>Subject: Re: [OZAPRS] Alpine Rally - APRS & RF conditions
>>
>>
>>Dick,
>>
>>You bet I am.
>>
>>Now that APRS in Australia is on the same frequency we are all on the
>>one
>>Big National APRS Network and should respect and appreciate it.
>>
>>What you do locally in your town will have an effect on a station in
>>Perth
>>or Brisbane if the conditions are right. No one is isolated on their own
>>network anymore, unless you change frequency to something other than the
>>National APRS Frequency.
>>
>>As I stated in the email I did not for see the issue until it occurred.
>>I
>>though that in the spirit of Amateur Radio and assisting our neighbours
>>there may have been some positive results to my request. May be I was
>>wrong.
>>
>>In the future there will need to be some pre-event cooperative
>>coordination
>>for the National Network we all now have. This will assist use in
>>helping
>>each other.
>>
>>Cheers
>>Richard
>>VK3JFK
>>
>>
>>
>>
>>>-----Original Message-----
>>>From: Dick [mailto:vk7dik at dodo.com.au]
>>>Sent: Monday, 26 November 2007 9:47 AM
>>>To: vk3jfk at amsat.org; VK / ZL APRS Users
>>>Subject: Re: [OZAPRS] Alpine Rally - APRS & RF conditions
>>>
>>>
>>>Are you for real Richard ???
>>>
>>>On Sun, 25 Nov 2007 13:53:06 +1100, Richard Hoskin <vk3jfk at amsat.org>
>>>wrote:
>>>
>>>
>>>
>>>>Gday,
>>>>
>>>>
>>>>This weekend WICEN Vic is running the Alpine rally in eastern
>>>>
>>>>
>>Victoria.
>>
>>
>>>>WICEN is using VK3REB-1 and VK3RGI-1 as digipeaters for APRS and
>>>>scoring data.
>>>>
>>>>
>>>>Due to RF conditions there is a lot of APRS traffic from VK7 and
>>>>other areas of VK3 being seen at the digipeaters. This has the
>>>>effect of reducing
>>>>
>>>>
>>>the
>>>
>>>
>>>>available free air time for WICEN operators to use and is causing
>>>>some problems for communications in the event.
>>>>
>>>>
>>>>Here is an example of some of the data that is being received at the
>>>>
>>>>
>>>>digipeaters.
>>>>
>>>>
>>>>1:Fm VK7YBI To APRS Via TAS2* <UI pid=F0 Len=54 >[11:47:51]
>>>>
>>>>;TRAFFIC *251159z4106.33S\14555.92E? 59 In 10 Minutes
>>>>
>>>>
>>>> 1:Fm VK7HIL To APAGW Via VK7RAA,VK7RAC,WIDE2* <UI pid=F0 Len=19
>>>>
>>>>
>>>>>[11:48:08]
>>>>>
>>>>>
>>>>>Will @ West Moonah
>>>>>
>>>>>
>>>>1:Fm VK3MHZ-12 To APT311 Via VK3CV-1,WIDE1,VK7RAA,WIDE2* <UI pid=F0
>>>>Len=15
>>>>
>>>>
>>>>>[12:04:38]
>>>>>
>>>>>
>>>>>TinyTrak3 v1.1
>>>>>
>>>>>
>>>>1:Fm VK3MHZ-12 To 37T8S8 Via VK3CV-1,WIDE1,VK7RVP,WIDE2* <UI pid=F0
>>>>Len=13
>>>>
>>>>
>>>>>[12:05:22]
>>>>>
>>>>>
>>>>`IYllSmk/"4V}
>>>>
>>>>
>>>>1:Fm VK7DC To APU25N Via VK7RAC <UI pid=F0 Len=44 >[12:05:54]
>>>>
>>>>}VK2INT-9>SSU2Y8,TCPIP,VK7DC*:`OX_mhk>/"4<}
>>>>
>>>>
>>>>1:Fm VK7DC To APU25N Via VK7RAC* <UI pid=F0 Len=44 >[12:08:31]
>>>>
>>>>}VK2INT-9>SSU2X2,TCPIP,VK7DC*:`NV]mAV>/"4)}
>>>>
>>>>
>>>> 1:Fm VK7HRM-9 To T1P6T5 Via VK7RAC*,WIDE2-2 <UI pid=F0 Len=13
>>>>
>>>>
>>>>>[12:08:32]
>>>>>
>>>>>
>>>>`IJ)l"+R/"6K}
>>>>
>>>>
>>>>1:Fm VK7HIL To APAGW Via VK7RAA*,WIDE2-1 <UI pid=F0 Len=19
>>>>
>>>>
>>>>>[12:08:03]
>>>>>
>>>>>
>>>>>Will @ West Moonah
>>>>>
>>>>>
>>>> 1:Fm VK7HIL-2 To APAGW Via VK7RAA*,WIDE2-1 <UI pid=F0 Len=75
>>>>[12:08:04]
>>>>
>>>>@251222z4251.35S/14716.65E_099/006g006t067r000P000p000h44b10218 West
>>>>
>>>>
>>>>Moonah
>>>>
>>>>
>>>> 1:Fm VK7HRM-9 To T1P6T5 Via VK7DC*,WIDE2-2 <UI pid=F0 Len=13
>>>>[12:08:35]
>>>>
>>>>`IJ)l"+R/"6K}
>>>>
>>>>
>>>>1:Fm VK7YBI To APRS Via TAS2* <UI pid=F0 Len=54 >[12:15:48]
>>>>
>>>>;TRAFFIC *251227z4106.33S\14555.92E? 66 In 10 Minutes
>>>>
>>>>
>>>>1:Fm VK7YBI To APRS Via TAS2* <UI pid=F0 Len=54 >[12:17:44]
>>>>
>>>>;TRAFFIC *251229z4106.33S\14555.92E? 82 In 10 Minutes
>>>>
>>>>
>>>> 1:Fm VK7YBI To APRS Via TAS2* <UI pid=F0 Len=54 >[12:17:46]
>>>>
>>>>;TRAFFIC *251229z4106.33S\14555.92E? 82 In 10 Minutes
>>>>
>>>>
>>>>
>>>>No one can easily predict conditions or their effects and it is not
>>>>the fault of the operator that his/her data is travelling further
>>>>than what would normally be expected.
>>>>
>>>>
>>>>This is however a good example and lessoned that there are no state
>>>>boundaries to RF APRS and that we need to work together and
>>>>cooperate with each other on common standards and coordination with
>>>>
>>>>
>>>>APRS.
>>>>
>>>>
>>>>To this extent we should have communicated before this WICEN event
>>>>with
>>>>VK7
>>>>and requested that they reduce their APRS traffic levels while the
>>>>event is on.
>>>>
>>>>
>>>>I have stopped all VK3 IGate traffic for the event duration and
>>>>turned off
>>>>VK3RGI-1 as the event is not using it today.
>>>>
>>>>
>>>>I'm asking APRS stations in VK3 and northern VK7 to reduce their
>>>>APRS RF transmissions if the are not using the APRS network for a
>>>>specific purpose until the WICEN in VK3 finishes at the end of
>>>>today.
>>>>
>>>>
>>>>Thanks.
>>>>
>>>>
>>>>Cheers
>>>>
>>>>Richard
>>>>
>>>>VK3JFK
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>_______________________________________________
>>>>Ozaprs mailing list
>>>>Ozaprs at aprs.net.au
>>>>http://aprs.net.au/mailman/listinfo/ozaprs
>>>>
>>>>
>>>
>>>--
>>>Cheers, Dick.
>>>VK7DIK
>>>
>>>Please Note.
>>>My e-mail address at home is vk7dik at dodo.com.au and work is
>>>dick.vanbeek at zinifex.com If your address book do not have these then
>>>please change it.
>>>
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>>>****
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>>>
>>>
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>>
>>
>>
>>
>
>
>
>
>
This is not about was there first, it's about cooperation on a national
basis for mutual benefit.
I don't know about your licence but mine doesn't give me ownership of
any frequency.
Ray vk2tv
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