WSPA12 PHFO 301743 KZAK SIGMET YANKEE 2 VALID 301745/312145 PHFO- OAKLAND OCEANIC FIR EMBD TS OBS AT 1745Z WI N3000 W17915 - N3000 W17645 - N2800 W17515 - N2515 W17815 - N3000 W17915. TOP FL500. STNR. INTSF. THIS HAS BEEN DISCARDED BY THE SADIS GATEWAY OPERATOR DUE TO INCORRECT VALIDITY TIME/ DATE/ TIME PLEASE ENSURE ALL FUTURE SIGMETS CONFORM TO THE FORMAT SPECIFIED IN ICAO ANNEX 3 CHAPTER 7 AND APPENDIX 6. REGARDS SADIS GATEWAY OPERATOR