[aprssig] Snow vs Wind speed clarification

[Alexander Sack]

On Thu, Jul 21, 2011 at 1:27 PM, Alexander Sack <pisymbol at gmail.com> wrote:
> http://www.aprs.org/aprs11/spec-wx.txt
>
> 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:
>
> N1MIW-1>APU25N,K1IMD-14,KA2RLM-15,WIDE2*:@070113z4139.23N/07134.69W_206/000g015t076r000p000P000h74b10118/WX
>
> 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?]
>
> Thanks!
>
> -aps (KC2ZSX)

Anyone?  :-)

-aps