Hello.

I solved this problem. The measurement data by external GPS is smooth and useful for analysing my laps.

Thank you for you help.

Regards,
Imashio

Thank you for your reply and advice.
The connection between iPhone and XGPS160 was not disconnected. Because I can confirm GPS device was “XGPS160” in HLT’s “GPS” menu when I stopped in pit.

Please tell me one more thing.
I have to make iPhone’s notifications to OFF?
Email notification seemes to be ...

Hello,

I faced same issue. (I created post, sorry for making multiple post for same issue...)

The session has 10 laps in 30minitues, but I got 4 laps data in “Lap List”. And, video was recorded overall sessions.

I also have enough space, and database has no problems.

My environment is,
iPhone SE ...