Domestic available NTP server and standard source deviation values

The IP address of the NTP server that can be used in China, and the time deviation value of the Tailfeather server, the Tailfeather clock server live connection antenna, the antenna has been connected for more than 72 hours before testing

Time-a.nist.gov 129.6.15.28 NIST, Gaithersburg, Maryland offset 0.013798 sec

Time-b.nist.gov 129.6.15.29 NIST, Gaithersburg, Maryland offset 0.013798 sec

Time-a.timefreq.bldrdoc.gov 132.163.4.101 NIST, Boulder, Colorado offset 0.002842 sec

Time-b.timefreq.bldrdoc.gov 132.163.4.102 NIST, Boulder, Colorado offset 0.002832 sec

Time-c.timefreq.bldrdoc.gov 132.163.4.103 NIST, Boulder, Colorado offset-0.006157 sec

utcnist.colorado.edu 128.138.140.44 University of Colorado, Boulder offset-0.013504 sec

s2k.time.edu.cn cernet Guilin Main node offset-0.005431 sec

Time.asia.apple.com offset-0.001000 sec

Time-nw.nist.gov offset-0.024988 sec

Time-b.nist.gov Offset 0.014072 sec

The following deviation values are too large to use the following clock sources

ntp.sjtu.edu.cn 202.120.2.101 (Shanghai Jiaotong University Network Center NTP server address) offset 0.048699 SEC Packet loss severity

time.windows.com offset-0.046836 sec

Domestic available NTP server and standard source deviation values