[aprssig] Snow vs Wind speed clarification
pisymbol at gmail.com
Thu Jul 21 17:55:11 EDT 2011
On Thu, Jul 21, 2011 at 1:27 PM, Alexander Sack <pisymbol at gmail.com> wrote:
> I don't quite understand you Bob! :-)
> So the original specification lists 's' for both wind speed as well as
> snow fall in positionless format.
> Base on the link above:
> - 's' should really be snowfall now
> - But if the software letter is 'W', they it can't be snowfall
> - Normally wind speed would be taken from the XXX/YYY<rest of WX
> sentence> format
> Is that correct?
> Now you also mention that the characters '/W' and '\W' can be used
> interchangeably with '/_' or '\_' in the APRS Data field.
> Not to pick on anyone's packet but:
> So the '_' already denotes this as a WX string. However what does the
> '/WX' serve? Where would I find any of the characters you mention
> above? Isn't '_' sufficient to denote a WX string?
> Finally, can I assume that the software character will NEVER conflict
> with the weather data initials (e.g. c, s, g, etc.)? i.e. Does it act
> as a delimiter between the two?
> [on a side note, what is the most update list of software characters?]
> -aps (KC2ZSX)
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