[aprssig] Was ADS-B to APRS Server NOW AIS to APRS

[Andrew Rich]

Highlights another issue

Most aprs programs support one socket feed.

I have been using google earth to show ADS-B, APRS and anything else I can 
think of.

Cheers


----- Original Message ----- 
From: "Pete Loveall AE5PL Lists" <hamlists at ametx.com>
To: "TAPR APRS Mailing List" <aprssig at lists.tapr.org>
Sent: Saturday, April 26, 2008 9:50 PM
Subject: RE: [aprssig] Was ADS-B to APRS Server NOW AIS to APRS


> If there is and you want to implement it, do as Andrew has done and put it 
> on a subnet separate from APRS-IS (also like FireNet).  This type of 
> isolated subnet can be done with a stock javAPRSSrvr (FireNet uses 
> javAPRSSrvr to prevent the massive number of objects it sees from 
> appearing on APRS-IS).  On the other hand, if you want to gate just your 
> boat using a translation to a ham object, that would be ham-related and 
> the only thing to watch out for then is the possibility of sending a flood 
> stream to APRS-IS.  This can be prevented by incorporating some sort of 
> throttling.  D-PRS, for instance, has built-in throttling to prevent a 
> steady stream of posits that the Icom radios send when in GPS mode.
>
> Andrew made a good point that this type of application is not APRS nor is 
> it ham related.  We have bandwidth limitations and all of the APRS-IS 
> infrastructure is provided free-of-charge by hams for hams.  Experimenting 
> is great as long as it does not adversely affect these volunteers or their 
> operation.  Also, both ADS-B and AIS are commercial interests and would 
> have significant usage implications if they started to show up on APRS-IS. 
> There also might be governmental restrictions in various countries as to 
> the "retransmission" of this information over the Internet.
>
> Just some thoughts as we experiment with new APRS bridges.
>
> 73,
>
> Pete Loveall AE5PL
> pete at ae5pl dot net
>
>
>
>> -----Original Message-----
>> From: joe at dellabarba.com
>> Sent: Saturday, April 26, 2008 6:10 AM
>> To: aprssig at lists.tapr.org
>> Subject: [aprssig] Was ADS-B to APRS Server NOW AIS to APRS
>>
>> On my boat I have APRS and AIS.
>> Is there anything to convert the AIS data to APRS data and would anyone
>> want to see it if there was?
>>
>> Joe
>> N3HGB-5
>


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