Base 26 may refer to:
* A numeral system, see
*
Xi'an Satellite Control Center
The Xi'an Satellite Monitor and Control Center (XSCC; ), also known as Base 26, is the primary satellite telemetry, tracking, and control facility of the People's Republic of China. Located in the Beilin District of Xi'an, Shaanxi Province, XSC ...
, a Chinese aerospace facility
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