Add a $12 USB GPS to your homelab to get millisecond-accurate NTP time : r/homelab
Adafruit Ultimate GPS GNSS with USB - 99 channel w/10 Hz updates : ID 4279 : $29.95 : Adafruit Industries, Unique & fun DIY electronics and kits
GPS-DO expansion board GPS input PPS and 10MHz output port USB PC | eBay
USB GPS Module – ODROID
Amazon.com: Stemedu USB GPS Module GLONASS Beidou UBX-M8030-KT GPS Dongle Built-in Ceramic Antenna for Ar-duino Pixhawk Stratux, Better Than VK-162 VK-172 : Electronics
Comint India | Products - Fullview
VK-162 G-mouse USB GPS Dongle for Window 10 7 Raspberry Pi Linux Google Earth | eBay
z052 USB GNSS Dongle with PPS
QUESCAN USB GPS Receiver Antenna Module Car Marine Satellite Position Built-in Flash PPS LED NMEA0183 Protocol IP67 Waterproof _ - AliExpress Mobile
DIYmall USB GPS Receiver Module GNSS GLONASS Antenna Laptop PC Tablet Car Navigation for Win7 Win8 Win10 XP G72 _ - AliExpress Mobile
How to use GPS module for real-time location and PPS clock synchronization service
USB GPS Receiver GPS/GLONASS Navigation and Tracking Wiki - DFRobot
PPS over USB
USB GPS Receiver GPS/GLONASS Navigation and Tracking Wiki - DFRobot
Adding PPS to a cheap USB GPS stick | Brendan's Radio Blog
Raspberry Pi GPS Module USB Port – Kuongshun Electronic Shop
VK-162 G-mouse USB GPS Dongle for Window 10 7 Raspberry Pi Linux Google Earth | eBay
Adding PPS to a cheap USB GPS stick | Brendan's Radio Blog
z050 USB GPS Dongle with PPS
USB GPS Module Antenna GLONASSUBX-M8030 Beidou for Arduino Pixhawk Stratux IPEX | eBay
USB GPS Module – ODROID
Adafruit Ultimate GPS GNSS with USB - 99 channel w/10 Hz updates : ID 4279 : $29.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Setting Everything Up | Adafruit Ultimate GPS with gpsd | Adafruit Learning System
Adding PPS to a cheap USB GPS stick | Brendan's Radio Blog
UART GPS Module With Real-Time Clock
