your ID: 0260 First Name: Xiang Last Name: Liu Affiliation: Urumqi Observatory, NAOC Title: VLBI observations of GHz Peaked Spectrum radio sources Authors: Xiang Liu Topic: 3 Session: oral Abstract: We report the results of VLBI observations of GHz-Peaked-Spectrum (GPS) radio sources at 1.6~GHz. We aimed at finding young extragalatic radio sources and exploring the spectral property of the GPS sources.