Parkes pulsar observations with undefined project IDs for 2020_18

Parkes pulsar observations with undefined project IDs for 2020. This collection contains data from the ToO project PX064 and 'Testing'.2020年度项目标识符未明确的帕克斯脉冲星观测数据集。本数据集集合包含来自机会目标（Target of Opportunity，ToO）项目PX064以及名为'Testing'的项目的数据。