Make Your Own GPS Transmitter with the HC-12 Transceiver - Projects
How to make a gps tracker - YouTube
Tiny GPS Tracker : 8 Steps - Instructables
sub-$50 DIY 10hz Bluetooth GPS Receiver - Did It Myself
A Simple, DIY GPS Tracker | Hackaday
Amazon.com: Wireless Module WiFi Sensor, Wireless REV1 WiFi GPS Module Board with Battery Base LED Signal, WiFi Module DIY Support Wireless Internet Access : Electronics
Making a Pi Zero GSM/GPS HAB Backup Tracker | Dave Akerman
Build Your Own GPS And GLONASS Receiver | Hackaday
Homemade GPS Receiver
OPEN-SMART GPS - Serial GPS Module for Arduino | Elektor
DIY Altimeter using a NEO UBLOX GPS module, a Color OLED and Arduino - Electronics-Lab.com