When you blow an alarm the second time, then the camps that lie on the south side shall take their journey: they shall blow an alarm for their journeys.
All Commentaries on Numbers 10:6 Go To Numbers 10
George Leo Haydock
AD 1849
And Hebrew, "they shall blow an alarm for their marches. "This must be referred to the camps on the west, which proceeded forward at the third sounding, as those on the north did at the fourth, according to the Septuagint. (Haydock)