Digital Ionogram Database Repository at UML

The DIDBase repository at University of Massachusetts Lowell is a
relational database holding raw ionogram data and ionogram-derived ionospheric
characteristics for the Global Ionospheric Radio Observatory (GIRO). Public
access to the DIDBase resource is arranged via SAO Explorer software available
at http://umlcar.uml.edu/SAO-X/ and web access portal https://giro.uml.edu/didbase/

马萨诸塞大学洛厄尔分校的DIDBase仓库是一个包含原始电离层图数据和由电离层图派生出的电离层特性的关系数据库，专为全球电离层无线电观测站（GIRO）设计。公众可通过访问位于http://umlcar.uml.edu/SAO-X/的SAO Explorer软件和https://giro.uml.edu/didbase/的Web访问门户获取DIDBase资源的公开访问权限。