甚长基线干涉测量

阿塔卡玛大型毫米波天线阵中的一些射电望远镜

夏威夷莫纳克亚山天文台的八个次毫米波阵列望远镜

甚长基线干涉测量（英语：Very-long-baseline interferometry，VLBI）是一种用于射电天文学中的天文干涉测量方法。它允许用多个天文望远镜同时观测一个天体，模拟一个大小相当于望远镜之间最大间隔距离的巨型望远镜的观测效果。

外部链接

• E-MERLIN fibre-linked radio telescope array used in VLBI observations
• EXPReS Express Production Real-time e-VLBI Service: a three-year project (est. March 2006) funded by the European Commission to develop an intercontinental e-VLBI instrument available to the scientific community
• JIVE Joint Institute for VLBI in Europe
• The International VLBI Service for Geodesy and Astrometry (IVS)
• IVSOPAR: the VLBI analysis center at the Paris Observatory
• "VLBI - Canada's Role"