Although I have developed my own GPS logger, I don't carry it everyday. Instead, I take GPS log with Android smart phone. I use GPSLogger for Android, which is very convenient to take everyday logs casually with its auto-start ability and battery saving design.
It supports various GPS log formats …
read moreI carried my GPS logger around and took some GPS logs. Now it's time to view them.
As my logger records everything sent from GPS receiving module without filtering, logs have some apparent outliers as shown in the image (A) below. Watch slant lines. In fact, outliers are at coordinate …
read moreAs I wrote at the beginning, I started my own GPS logger development for the following motivations. I put marks for my currently developed GPS logger.
| Motivation | Mark | Comment |
|---|---|---|
| Easier log extraction | ✓ | GPS log is now a regular file! |
| QZSS support | ✗ | Only 1 of 4 satellites supported. |
| Much larger log … |