[aprssig] Can objects/items dead-reckon?
Andrew P.
andrewemt at hotmail.com
Mon Feb 27 11:12:35 EST 2012
Greetings, all.
I was looking at the spec regarding Objects and Items, and it's not clear whether a station sending such APRS messages can add a course and speed for Objects.
Can course and speed be specified for an Object? I would presume so, given the stuff about tracking storms/hurricanes/etc., but can it be done for generic Objects?
If Objects can have a course and speed, is the sending station and/or the receiving stations supposed to dead-reckon the future position of the Object based on that course/speed? If so, how long should such dead-reckoning be carried on before the original position/velocity report is considered too stale to continue extrapolating?
Andrew Pavlin, KA2DDO
Sent from my Verizon Wireless BlackBerry
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