[aprssig] Event Time Data Extension Proposal
Lynn W. Deffenbaugh (Mr)
ldeffenb at homeside.to
Fri Jan 27 08:01:55 CST 2017
To reduce the length of daily events, how about:
NETMoTuWeThFr0900 becoming NETMo-Fr0900 or NETMo..Fr0900
Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32
On 1/27/2017 12:17 AM, Kenneth Finnegan wrote:
> On Thu, Jan 26, 2017 at 7:58 AM, Robert Bruninga <bruninga at usna.edu
> <mailto:bruninga at usna.edu>> wrote:
> VALUE: a properly formatted repeater FREQUENCY named object shows
> all of
> this info in a single packet:
> * Weekly NET times
> * Monthly club Meeting dates
> As far as I can tell, the format for net and meeting times is only
> mentioned in passing 3/4 of the way down on the freq spec and local
> info pages without a specific recommendation on format. Running some
> queries on my database of APRS traffic, it looks like the use of NET
> and MTG notes is... remarkably low.
> To give operators more concrete guidance on what to enter, and maybe
> even be computer-parsable, I'd like to propose and solicit feedback on
> an "Event Time Data Extension"
> Event Time Data Extension Specification
> This document formalizes the radio net and in-person meeting time spec
> which is mentioned in the APRS Freq Spec text file
> (http://www.aprs.org/info/freqspec.txt). This data extension is meant
> to indicate weekly or monthly nets/meetings which would be of interest
> to amateur radio operators. It does not include any information on
> where or what frequency the event happens, so that should be clear
> from the context of the rest of the packet. (i.e. Meeting events could
> be included in a "club shack" object beacon, and net events could be
> in repeater object beacons or accompanied by a freq spec)
> These data extensions may be used similar to all other APRS data
> extensions, so may be included anywhere in location packet comment
> fields, in status packets, in object comment fields, messages, etc.
> The length of this data extension is not limited to 7 bytes and may be
> dynamic based on the specificity of the event time.
> These data extensions are not meant to replace ISO 8601 time/date
> stamps, which should be used for specific non-recurring events such as
> annual hamfests.
> There is no way to express biweekly events in this extension. Other
> methods should be used to advertise events on that schedule.
> Extension Format
> |[Event Identifier](Week of Month)[Day of Week][Time of Day](Time zone
> abbreviation) |
> Items in square brackets are required; those in parenthesis are optional.
> The event identifier indicates what kind of event is being advertised:
> * |NET| - Radio net
> * |MTG| - Club or social in-person meeting
> Week of month is optional to indicate that an event only happens on a
> certain week of a month. Value may be one or more of:
> * |1st|
> * |2nd|
> * |3rd|
> * |4th|
> * |5th|
> Day of week is required and indicates the days of the week an event
> happens. Values may be one or more of:
> * |Mo| (Monday)
> * |Tu| (Tuesday)
> * |We| (Wednesday)
> * |Th| (Thursday)
> * |Fr| (Friday)
> * |Sa| (Saturday)
> * |Su| (Sunday)
> The week of the month is calculated per day, not including partial
> weeks where the day of interest falls in the previous month.
> Time of Day is required and indicates the time of the event in 24h
> local time. It is a four digit number less than |2400|.
> The time zone abbreviation is an optional indication of which time
> zone is used, and should only be used when near the edge of two time
> zones and it's unclear which conventional local time to use. This
> field should be very rarely used.
> |NETTu1745| - A net happens weekly on Tuesday at 5:45PM.
> |MTG2ndWe1900| - A meeting happens on the second Wednesday of the
> month at 7PM.
> |NETMoTuWeThFr0900| - The morning talknet happens every weekday at 9AM.
> |MTG1st3rdSu1000| - Brunch is had on the first and third Sundays of
> the month at 10AM
> Kenneth Finnegan, W6KWF
> aprssig mailing list
> aprssig at tapr.org
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