8 Channel LoRa Gateway HAT with LoRa and GPS Antenna - SX1301 [Pi Not Included] : ID 4284 : $159.95 : Adafruit Industries, Unique & fun DIY electronics and kits
GNSS antennas
Build a QFH Antenna for GPS - YouTube
Homemade GPS Antenna - HomemadeTools.net
Audizine Forums
Figure 2 from Compact T-shaped dipole antenna for GPS application | Semantic Scholar