She remained there until October 1941 when the ship was transferred to Halifax and used as a tender ship to HMCS Stadacona .
Ambler 's initial posting was as a patrol ship in the Gulf of St. Lawrence and St. Lawrence River .
Ambler remained there until October 1941 when the ship was transferred to Halifax and used as a tender ship to HMCS Stadacona .
Ambler 's initial posting was as a patrol ship in the Gulf of St. Lawrence and St. Lawrence River .