Question: what do shofar sounds mean?
Answer: The first series (30 blasts) is blown before the Musaf silent prayer (Amidah). The second series (30 blasts) is blown during the repetition of Musaf, integrated into narratives describing God's kingship (Malkiyot), remembrance of our ancestor's merit (Zichronot),and hopes for the messianic era (Shofarot).