Hi Rick,
Are you running Windows? If so, try renaming "exiftool(-k).exe" to "exiftool(-k -ee).exe", then drag and drop the MP4 on the .exe
For the file you posted, I don't see any gps:
ExifTool Version Number : 10.94
File Name : VID-20180428-WA0000.mp4
Directory : /Users/phil/Desktop
File Size : 1628 kB
File Modification Date/Time : 2018:05:02 06:58:44-04:00
File Access Date/Time : 2018:05:02 06:58:45-04:00
File Inode Change Date/Time : 2018:05:02 06:58:44-04:00
File Type : MP4
File Type Extension : mp4
MIME Type : video/mp4
Major Brand : MP4 v2 [ISO 14496-14]
Minor Version : 0.0.1
Compatible Brands : mp41, mp42, isom
Movie Header Version : 0
Create Date : 2018:04:28 01:02:51
Modify Date : 2018:04:28 01:02:52
Time Scale : 600
Duration : 10.00 s
Preferred Rate : 1
Preferred Volume : 100.00%
Matrix Structure : 1 0 0 0 1 0 0 0 1
Preview Time : 0 s
Preview Duration : 0 s
Poster Time : 0 s
Selection Time : 0 s
Selection Duration : 0 s
Current Time : 0 s
Next Track ID : 3
Track Header Version : 0
Track Create Date : 2018:04:28 01:02:51
Track Modify Date : 2018:04:28 01:02:52
Track ID : 1
Track Duration : 10.00 s
Track Layer : 0
Track Volume : 100.00%
Matrix Structure : 1 0 0 0 1 0 0 0 1
Media Header Version : 0
Media Create Date : 2018:04:28 01:02:51
Media Modify Date : 2018:04:28 01:02:52
Media Time Scale : 44100
Media Duration : 10.08 s
Media Language Code : und
Handler Type : Audio Track
Handler Description : Core Media Audio
Balance : 0
Audio Format : mp4a
Audio Channels : 1
Audio Bits Per Sample : 16
Audio Sample Rate : 44100
Track Header Version : 0
Track Create Date : 2018:04:28 01:02:51
Track Modify Date : 2018:04:28 01:02:52
Track ID : 2
Track Duration : 10.00 s
Track Layer : 0
Track Volume : 100.00%
Matrix Structure : 0 1 0 -1 0 0 0 0 1
Image Width : 960
Image Height : 540
Media Header Version : 0
Media Create Date : 2018:04:28 01:02:51
Media Modify Date : 2018:04:28 01:02:52
Media Time Scale : 600
Media Duration : 10.03 s
Media Language Code : und
Handler Type : Video Track
Handler Description : Core Media Video
Graphics Mode : srcCopy
Op Color : 0 0 0
Compressor ID : avc1
Source Image Width : 960
Source Image Height : 540
X Resolution : 72
Y Resolution : 72
Bit Depth : 24
Color Representation : nclx 1 1 6
Video Field Order : Progressive; 0
Video Frame Rate : 30
Description : {"WXVer":369493538}
Movie Data Size : 1659504
Movie Data Offset : 7152
Avg Bitrate : 1.33 Mbps
Base Name : VID-20180428-WA0000
File Extension : mp4
File Type Description : MPEG-4 video
Image Size : 960x540
Megapixels : 0.518
Rotation : 90
- Phil