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More on GPS on SprintPCS

Posted February 7, 2006 – 1:34 pm by Yakov Shafranovich in Programming

Over a year after I posted an application to obtain the IP addresses of Sprint’s GPS servers, I finally received that information in the form of three IP addresses. The first is an E-911 server, while the other two are regular GPS servers. Two of them came from someone who is working on GPS applications on Sprint, while the third was extracted by someone from Garmin’s GPS application for Sprint phones.

The interesting part is that now that I actually have the addressess, there isn’t much I can do with them. I tried sending raw IS-801 packets, wrapped IS-801 packets, the special Qualcomm MS-MPC packets, and even HTTP requests. The servers in questions just close the connection without returning any data.

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