[Data-curation] SA formatted messages from Canada in FM 15 METAR designated WMO headers?

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  • Subject: [Data-curation] SA formatted messages from Canada in FM 15 METAR designated WMO headers?
  • From: daryl herzmann <akrherz@xxxxxxxxxxx>
  • Date: Tue, 15 Aug 2017 11:26:53 -0500 (CDT)
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Greetings,
In today's adventure of curiousity killing the cat, I wonder about the following product: 

SACN90 CWAO 151600 RRA
WFF SA 1600 AUTO8 M M M 087/18/14/1813+19/M/ PK WND 1920 1510Z 3004 90MM= 
WFP SA 1600 AUTO8 M M M 128/10/09/0902/M/0008 2009 86MM=
So for the TTAAII header of "SACN90", it seems that the usage of 'SA' should dictate FM 15 (METAR) format as per: 

http://www.wmo.int/pages/prog/www/ois/Operational_Information/Publications/WMO_386/AHLsymbols/TableB1.html
Is this "SA" format some variation on METAR documented somewhere or is the WMO header just wrong for this product? 

thanks for educating me!
daryl
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