This book collects selected papers from the 27th Conference of Spacecraft TT&C Technology in China held in Guangzhou on November 9-12, 2014. The book features state-of-the-art studies on spacecraft TT&C in China with the theme of "Wider Space for TT&C". To meet requirements of new space endeavors, especially China's deep-space programs, China's spacecraft TT&C systems shall "go farther, measure more accurately and control better with higher efficacy". Researchers and engineers in the field of aerospace engineering and communication engineering can benefit from the book.