From time to time I need an NTP server available publicly in Taiwan for reference to compare with my homebrew MakerNTP (posted on Dec. 24, 2015) Stratum 1 GPS-based NTP server, so I list some useful NTP servers.
1. time.stdtime.gov.tw: 118.163.81.61
2. tick.stdtime.gov.tw: 118.163.81.62
3. watch.stdtime.gov.tw: 118.163.81.63
4. tock.stdtime.gov.tw: 211.22.103.157
5. clock.stdtime.gov.tw: 211.22.103.158
6. tw.pool.ntp.org: A. 103.18.128.60 B. 117.56.223.235 C. 59.124.29.241 D. 59.125.122.217
Showing posts with label MakerNTP. Show all posts
Showing posts with label MakerNTP. Show all posts
2015/12/24
MakerNTP - A Low Cost Arduino Mega2560 GPS-based Stratum 1 NTP Server
My homebrew low locst (not more than 120 USD for retail) MakerNTP is now in operation for about one month without any problem in my home environment. The features of MakerNTP are:
Protocol: SNTP V4
Performance: 40 requests/second
Ethernet Port: 1
Default IP: 192.168.1.123
Power Supply: 9V (recommended) / 5V (USB)
Enclosure: ABS
Application: home automation, security surveillance ......
NOTE: Most SNTP clients will generally sync your system time to within 100 milliseconds of the correct time - often within 10 milliseconds. Of course, the accuracy is highly dependent on the accuracy of the server that it is connecting to.
Photos
Protocol: SNTP V4
Performance: 40 requests/second
Ethernet Port: 1
Default IP: 192.168.1.123
Power Supply: 9V (recommended) / 5V (USB)
Enclosure: ABS
Application: home automation, security surveillance ......
NOTE: Most SNTP clients will generally sync your system time to within 100 milliseconds of the correct time - often within 10 milliseconds. Of course, the accuracy is highly dependent on the accuracy of the server that it is connecting to.
Photos
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