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[aprssig] Where is KT5TK-11?

Lynn W. Deffenbaugh (Mr) ldeffenb at homeside.to
Mon Feb 13 02:29:23 UTC 2012


Nobody knows unless a) it is physically recovered, or b) it thaws out 
enough to actually wake up and transmit a packet that is received somewhere.

Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

On 2/12/2012 9:15 PM, Donald Jacob wrote:
> So What happened to KT5TK-11  ?
> Is it swimming with the fishes?
>
> Don  WB5EKU
>
>
> On Sun, Feb 12, 2012 at 6:10 PM, Lynn W. Deffenbaugh (Mr)
> <ldeffenb at homeside.to>  wrote:
>> If you look closely at the raw packets at
>> http://aprs.fi/?c=raw&call=KT5TK-11 you'll see that K5COD apparently
>> replayed the earlier flight packets into APRS-IS MUCH delayed and with an
>> unused path (direct reception on all packets?  I don't think so!).
>>
>> Hessu, I don't think there's anything wrong with your delayed packet
>> detector in this instance.
>>
>> Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32
>>
>>
>> On 2/12/2012 3:25 PM, Heikki Hannikainen wrote:
>>> On Sun, 12 Feb 2012, Greg D wrote:
>>>
>>>> Hi folks,
>>>>
>>>> I'm confused.  Or, something is.
>>>>
>>>> According to Findu, the balloon is over Dickinson Texas, last received 1
>>>> hr, 37 minutes ago.
>>>>
>>>> According to aprs.fi, the balloon is off the Louisiana coast, last
>>>> received some 10 hrs ago.
>>>>
>>>> They can't both be right...  Probably neither is, but what's up with
>>>> APRS-IS?
>>>
>>> The duplicate filtering used on aprs.fi filtered some last packets, due to
>>> the rather ambiguous local-time timestamp jumping back:
>>>
>>> http://aprs.fi/?c=raw&call=KT5TK-11
>>>
>>> I'll have to improve that code a bit to ignore backwards-jumping
>>> timestamps if there's enough real time passing, or if the timestamps
>>> continue to roll on nicely after the jump backwards.
>>>
>>>   - Hessu
>>>
>>>
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>>
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