I would have the meeting called as previously suggested. Show up for the meeting and if there is no quorum you can wait 30 mins and have the chairman note that the owners present make a quorum
SSMA 2015
Procedure if no quorum is present within the next half-hour after the relevant motion or business arises for consideration at the meeting, the chairperson must—
- adjourn the meeting for at least 7 days, or
- declare that the persons present either personally or by duly appointed proxy and who are entitled to vote on the motion or election constitute a quorum for considering that motion or business and any subsequent motion or business at the meeting.