[aprssig] Event Time Data Extension Proposal

[KF4LVZ]

Trim at least two extra characters and leave it just the first letter of
the day.  Thursday would actually become an R (this is actually fairly
common) and Saturday or Sunday would need to change (probably Saturday
could become A).

On 2017-01-27 06:01, Lynn W. Deffenbaugh (Mr) wrote:
> 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:
>>     [...snip...]
>>     * 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"
>>
>> https://github.com/PhirePhly/aprs_notes/blob/master/EventTimeDataExtension.md
>>
>>
>>   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.
>>
>>
>>     Examples
>>
>> |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
>> http://blog.thelifeofkenneth.com/
>>
>>
>>
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>> aprssig at tapr.org
>> http://www.tapr.org/mailman/listinfo/aprssig
> 
> 
> 
> 
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