I have a few stratum 1 NTP servers as it’s an interest of mine. A couple of them are
Raspberry Pi’s - for under £25 you can make yourself a stratum 1 NTP Server. The
performance, whilst not as good as my S200 with rubidium clock, is still quite
acceptable.
Chris
On 10 Oct 2017, at 08:16, Rob Janssen <pe1chl(a)amsat.org> wrote:
I also have a
stratum 1 NTP server, it is on 44.13.151.3 (
ntp.g1fef.ampr.org) and it is open to 44/8
It’s a Symmetricom S200 with Rubidium clock and
GPS and is located in the UK for anyone in Europe it would be better choice than the US
based clocks.
For people who want an easy stratum 1 server and don't have money for such gear, have
a look at the LeoNTP.
It is made by a UK radio amateur and it is a GPS locked NTP server in a very small
package.
It costs "only" 300 pounds (about $400). We have considered it for repeaters
but unfortunately it cannot
provide 10 MHz and 1PPS at the same time, which we do require.
Rob
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