Past issues of this publication, which has been published under four different titles, can be accessed electronically from this page. From February 1971 through April 1980, the publication was entitled The Deep Space Network Progress Report. Then from June 1980 (issue 42-57) through February 1998 (issue 42-132), it was published as The Telecommunications and Data Acquisition Progress Report. Beginning in May 1998 (issue 42-133) and ending in May 2001 (issue 42-145), the publication was The Telecommunications and Mission Operations Progress Report. The publication was retitled The Interplanetary Network Progress Report in August 2001 (issue 42-146). All past issues published under all of these titles are available here.