GPS-DO expansion board GPS input PPS and 10MHz output port USB PC | eBay
Amazon.com: DIYmalls BN-180 GPS Module + CP2102 USB to TTL : Electronics
Adafruit Ultimate GPS GNSS with USB - 99 channel w/10 Hz updates : ID 4279 : $29.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Time Server
USB GPS Module Antenna GLONASSUBX-M8030 Beidou for Arduino Pixhawk Stratux IPEX | eBay
USB Level GPS Module + Antenna Integrated Module Receiver PPS Second Pulse Timing BS-506C _ - AliExpress Mobile
Amazon.com: Onyehn VK-162 G-Mouse USB GPS Dongle Navigation Module/GPS USB Engine Board External GPS Antenna Remote Mount USB GPS Receiver for Raspberry Pi Support Google Earth Window Linux : Electronics
GPS-721U-MRTU | ICP DAS USA Inc - Data Acquisition
Adafruit Ultimate GPS GNSS with USB - 99 channel w/10 Hz updates : ID 4279 : $29.95 : Adafruit Industries, Unique & fun DIY electronics and kits
USB GPS with PPS and pretty cheap too - Server operators - NTP Pool Project
RY725AI 10Hz UART USB Interface GPS w/ Glonass QZSS Antenna
Adding PPS to a cheap USB GPS stick | Brendan's Radio Blog
Get that sweet, sweet microsecond accuracy via GPS PPS for your NTP server (you are running your own NTP server for your homelab right?) : r/homelab
GPS-DO expansion board GPS input PPS and 10MHz output port USB PC | eBay
Comint India | Products - Fullview
z052 USB GNSS Dongle with PPS
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TSMX-PPS2 | GPS Receiver Module with PPS Output and Dead Reckoning | Rohde & Schwarz USA, Inc. | AV-iQ
GPS-DO expansion board GPS input PPS and 10MHz output port USB PC | eBay
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
GPS time synchronization tutorial - Lammert Bies
GPS-DO expansion board GPS input PPS and 10MHz output port USB PC | eBay
Amazon.com: ICP DAS GPS-721 GPS Receiver and 1 DO, 1 PPS Output Module communicable Over RS-232 and RS-485. : Electronics
Frontiers | Time Synchronization for Wireless Sensors Using Low-Cost GPS Module and Arduino
Adafruit Ultimate GPS GNSS with USB - 99 channel w/10 Hz updates : ID 4279 : $29.95 : Adafruit Industries, Unique & fun DIY electronics and kits
