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[aprssig] Tiny Tracker?

Rochte, Robert rrochte at gpacademy.org
Tue Aug 30 18:03:54 UTC 2005


Mea culpa - I guess I totally misunderstood the concept...  Never mind!  =)

>-----Original Message-----
>From: aprssig-bounces at lists.tapr.org
>[mailto:aprssig-bounces at lists.tapr.org]On Behalf Of Wes Johnston
>Sent: Tuesday, August 30, 2005 2:11 PM
>To: TAPR APRS Mailing List
>Subject: Re: [aprssig] Tiny Tracker?
>
>
>Why would it be less than ideal for a balloon?  I'm assuming you mean
>when the balloon is on the ground and the ground crew is 
>driving towards
>it.  It would still be permitted to propagate a packet outward every 10
>minutes.  As the search crew got close, they'd hear the balloon simplex
>as often as you'd programmed it to transmit.
>
>And as long as your balloon was moving, it would be generating *unique*
>packets.  And a unique packet would not be trapped by the proposed dupe
>filter.  So as long as the position is changing, each packet you send
>would get digipeated.
>
>Of course my figure of 10 minutes was based on a desire to have a 10
>minute network activity timer.... the 10 minute interval 
>probably should
>be just under 10 minutes, say 9.5, but in the end, should be able to be
>set by the digiowner.
>
>Ohh, and in addition to messages being able to bypass the filter,
>objects would need to be permitted to bypass the filtering as well.
>
>Am I missing something?  I'm just trying to come up with a way to have
>the network protect itself from static 60 second beacons from 
>parked cars.
>
>Wes
>
>Rochte, Robert wrote:
>
>>>What would be ideal would be to have a digi that was smart enough to
>>>filter out redundant position reports from the same station if 
>>>sent more
>>>than once every 10 minutes, but yet allow retries on message 
>packets? 
>>>Such a digipeater would be more inline with a "switch" than 
>a repeater.
>>>    
>>>
>>
>>Sounds like it would be less-than-ideal for one of my 
>balloons and perhaps
>>other applications as well...
>>
>>73, Robert KC8UCH
>>
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