[OZAPRS] Why am I seeing

vk4tec at tech-software.net vk4tec at tech-software.net
Thu Dec 7 19:15:22 AEDT 2017


APRS Packets are made up of a source destination and digis

Here is an example


VK4TEC is me 
APU25N is a dedicated code for "UI-VIEW 32"
Vk4RMC-3 and VK4GME-3 are the digis 

You can make your own 

I use "SPACE"

APT314 is a Byonics TinyTrak

SSU3W4 is not known to google 

If you see one you don’t know, dive into the aprs spec 

2017-12-07 17:39:37 AEST: VK2NQ-9>SSU3W4,VK2AMW-1*,WIDE2-1,qAR,VK2HIM-1:`O'4l Ck\'"4/}|(z%g(!|!w04!|3
2017-12-07 17:40:27 AEST: VK2NQ-9>SSU3W4,VK2AMW-1*,WIDE2-1,qAR,VK2LJ-1:`O'4l Ck\'"4/}|({%g(!|!w04!|3
2017-12-07 17:41:18 AEST: VK2NQ-9>SSU3W4,VK2AMW-1*,WIDE2-1,qAR,VK2LJ-1:`O'4l Ck\'"4/}|)!%g(!|!w04!|3

2017-12-07 17:41:19 AEST: VK2NQ-9>APT314,VK2AMW-1*,WIDE2-1,qAR,VK2LJ-1::VK2NQ-9  :EQNS.0,0.0293,0,0,0.489,-273.15
2017-12-07 17:41:19 AEST: VK2NQ-9>APT314,VK2AMW-1*,WIDE2-1,qAR,VK2HIM-1::VK2NQ-9  :BITS.00000000,TinyTrak

2017-12-07 17:42:09 AEST: VK2NQ-9>SSU3W4,VK2AMW-1*,WIDE2-1,qAR,VK2HIM-1:`O'4l Ck\'"4/}ZBP000|)"%f("|!w04!|3
2017-12-07 17:42:58 AEST: VK2NQ-9>SSU3W4,VK2AMW-1*,WIDE2-1,qAR,VK2RZ-1:`O'4l Ck\'"4/}|)#%f(!|!w04!|3
2017-12-07 17:43:49 AEST: VK2NQ-9>SSU3W4,VK2AMW-1*,WIDE2-1,qAR,VK2HIM-1:`O'4l Ck\'"4/}|)$%f(!|!w04!|3
2017-12-07 17:44:39 AEST: VK2NQ-9>SSU3W4,VK2AMW-1*,WIDE2-1,qAR,VK2HIM-1:`O'4l Ck\'"4/}|)%%g(!|!w04!|3
2017-12-07 17:45:29 AEST: VK2NQ-9>SSU3W4,VK2AMW-1*,WIDE2-1,qAR,VK2LJ-1:`O'4l Ck\'"4/}ZBP000|)&%f(!|!w04!|3
2017-12-07 17:46:17 AEST: VK2NQ-9>SSU3W4,WIDE1-1,WIDE2-1,qAR,VK2LJ-1:`O'4l Ck\'"4/}|)'%f(!|!w04!|3
2017-12-07 17:46:44 AEST: VK2NQ-9>SSU3W4,VK2AMW-1*,WIDE2-1,qAR,VK2MB-1:`O'4l Ck\'"4/}ZBP000|)&%f(!|!w04!|3 [Duplicate telemetry sequence, Delayed or out-of-order packet (sequence number)]
2017-12-07 17:47:08 AEST: VK2NQ-9>SSU3W4,VK2AMW-1*,WIDE2-1,qAR,VK2HIM-1:`O'4l Ck\'"4/}|)(%g(!|!w04!|3
2017-12-07 17:48:49 AEST: VK2NQ-9>SSU3W4,VK2AMW-1*,WIDE2-1,qAR,VK2HIM-1:`O'4l Ck\'"4/}ZBP000|)*%g(!|!w04!|3
2017-12-07 17:49:38 AEST: VK2NQ-9>SSU3W4,VK2AMW-1*,WIDE2-1,qAR,VK2HIM-1:`O'4l Ck\'"4/}|)+%f(!|!w04!|3
2017-12-07 17:51:17 AEST: VK2NQ-9>SSU3W4,VK2AMW-1*,WIDE2-1,qAR,VK2LJ-1:`O'4l Ck\'"4/}|)-%f(!|!w04!|3
2017-12-07 17:52:08 AEST: VK2NQ-9>SSU3W4,VK2AMW-1*,WIDE2-1,qAR,VK2LJ-1:`O'4l Ck\'"4/}ZBP000|).%f(!|!w04!|3
2017-12-07 17:52:57 AEST: VK2NQ-9>SSU3W4,VK2AMW-1*,WIDE2-1,qAR,VK2HIM-1:`O'4l Ck\'"4/}|)/%f(!|!w04!|3
2017-12-07 17:53:49 AEST: VK2NQ-9>SSU3W4,VK2AMW-1*,WIDE2-1,qAR,VK2LJ-1:`O'3l"4k\'"40}|)0%f(!|!wDs!|3

-----Original Message-----
From: OZAPRS [mailto:ozaprs-bounces at aprs.net.au] On Behalf Of Bob
Sent: Thursday, 7 December 2017 5:44 PM
To: Australian APRS Users <ozaprs at aprs.net.au>
Subject: [OZAPRS] Why am I seeing

Let me see if I have been paying attention to this forum.

Some questions from an OM returning to Packet.

Why am I seeing VK2NQ-9 in Surry Hills Sydney, down here in Nowra, beaconing every minute or so ?

         He has something configured wrong in his tracker or what?

I see in his destination SSU3W4<VK2AMW-1,VK2HIM-1,WIDE2*

     SSU3W4 Where the heck is that? Ultimately one of the Internet Tier2 Servers via an I Gate?

     VK2AMW-1 is in a good location and hears him first? Used up the
Wide1-1 alias, that's why we can't see it ?

     VK2AMW-1 re transmitted his message and was picked up by VK2HIM-1 who re transmitted him and used up one of the WIDE2-2 aliases leaving one hop to go, hence we have WIDE2* left in the path?

These may be basic questions for you experts but I'm struggling to make sense of it all. I want to be sure I got it right before I go further.

Thanks Bob, vk2byf

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