Swedish Distributed Time Service

"The NTP servers are custom build hardware (FPGA cards) with 10Gb/s interfaces that can answer signed and unsigned NTP questions over both IPv4 and IPv6 at line-rate speed."

to fpga ntp sweden time ... on 14 September 2016

jks.com

Various time-and-frequency projects, including a Beaglebone Black-based wideband SDR that looks pretty neat.

to electronics hp ntp reverse-engineering rf sdr time ... on 08 June 2015

benc technical blog: radio clock NTP server

Using a (very) cheap MSF receiver module with NTP.

to embedded msf ntp radio raspberry-pi ... on 28 April 2014

Building a Raspberry-Pi Stratum-1 NTP Server

I've got a spare GPS module sitting around somewhere...

to clock gps ntp raspberry-pi time ... on 01 December 2013

Raspberry Pi Stratum 1 NTP server with PPS – accurate timekeeping at low cost

Must give this a try. Unfortunately the only GPS module I've got sitting around is one of the few that actually does RS232 rather than TTL signalling -- so I'd need to play a bit with level conversion.

to gps ntp raspberry-pi time ... on 08 April 2013

LinuxPPS

How to set up high-precision NTP on Linux (apparently it's all in the mainline kernels now).

to clock linux ntp time ... on 31 July 2012

Tags related to ntp

- ntp
 
2 clock
1 electronics
1 embedded
1 fpga
2 gps
1 hp
1 linux
1 msf
6 ntp
1 radio
3 raspberry-pi
1 reverse-engineering
1 rf
1 sdr
1 sweden
5 time