[aprssig] Repeater Items

[Eric H. Christensen]

>From the APRS Spec:

Object Reports specify an Object's position, can have an optional
timestamp,
and can include course/speed information or other Extended Data.
Object
Reports are intended primarily for plotting the positions of moving
objects
(e.g. spacecraft, storms, marathon runners without trackers).

Item Reports specify an Item's position, but cannot have a timestamp.
While
Item reports may also include course/speed or other Extended Data,
they are
really intended for inanimate things that are occasionally posted on
a map
(e.g. marathon checkpoints or first-aid posts). Otherwise they are
handled in
the same way as Object Reports.


73s,
Eric KF4OTN
kf4otn at amsat.org
http://www.ericsatcom.net

Project OSCAR Member
AMSAT-NA Member: 35360
AMSAT Eastern North Carolina Area Coordinator

-----Original Message-----
From: aprssig-bounces at lists.tapr.org
[mailto:aprssig-bounces at lists.tapr.org] On Behalf Of Tapio Sokura
Sent: Tuesday, January 11, 2005 17:01
To: aprssig at lists.tapr.org
Subject: Re: [aprssig] Repeater Items


Eric H. Christensen wrote:

> How about this:
> )145130!3618.63N/07700.33WmRNG0055WB4YNF/R PL131.8 Ahoskie

At least the original TM-D700 doesn't understand items, only objects.

I'm a bit puzzled as to why both items and objects are defined in the

APRS specification. What does an item do that an object can't do?

   Tapio

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