 He not only received the Nyingma transmissions as passed down in his family, but also studied with many of the great teachers of his day without regard to sect.He thus received the combined Kadam and Sakya teachings of the Sutrayana through his main Sakya teacher, Palden Lama Dampa Sonam Gyaltsen, in addition to the corpus of both old and new translation tantras.At the age of 19, Longchenpa entered the famous shedra (monastic college) Sangpu Neutok (Wylie