The X

2 files use the extension of SP3

.SP3

NGS SP3 File

Classification:GIS file
File created in the National Geodetic Survey (NGS) Standard Product #3 (SP3) format; saved in a plain text ASCII format and contains satellite orbit information; used for tracking GPS satellite orbits, but also supports non-GPS orbits as well.

instruction:

The original SP3 format, called SP3-a, was extended to include additional information in the SP3-b and SP3-c formats.

SP3(NGS SP3 File) related software:

Windows

1 software

Mac

1 software

Linux

1 software

发送 E9102 至公众号 IT小技巧 查看软件名称。
.SP3

Windows XP SP3 CD File

Classification:data file
Data file that resides on a Windows XP Service Pack 3 (SP3) installation disc; uses the filenames WIN51IP.SP3 and WIN51IC.SP3; contains data that is used for the operating system installation.

SP3(Windows XP SP3 CD File) related software:

Windows

1 software

发送 E9101 至公众号 IT小技巧 查看软件名称。