The other day I was wondering what type of type servers everyone donates to the pool. Wouldn’t it be nice to ‘show-off’ our respective servers? Or is this a bit too sensitive a piece of information (for a possible attacker)?
Miroslav has established that an interested party can tell the difference between major NTP implementations based on slight differences in their behavior detectable by anyone who can use the server, so I don’t think that’s an issue.
All are running ntpd 4.2.8p17 plus pending fixes. v6.ntp.md is a Mac mini, the rest are Windows PCs. ntp.md is the only one with PPS, using the serialpps.sys driver signed by Meinberg.
I’m running the following for the pool:
Meinberg M300 GPS/MRS (Beersheva) (IPv6/IPv4)
Meinberg M200 DCF77/PZF (Shiloh) (IPv6)
Meinberg M300 GPS (Jerusalem) (IPv6)
(I’m running a fourth M300 DCF77/PZF which is not in the pool but just for the PPS signal as a multi-reference source for Beersheva, in case the GPS-signal cuts out or is unreliable.)
For me it’s only a hobby, so I don’t have any professional gear and I’m running everything from home.
I have 1 system in the pool (IPv4 and IPv6): a Soekris 6501 with a Meinberg PZF180PEX DCF77 receiver.
Furthermore I have a Soekris 5501 with a Garmin 18-LVC GPS receiver and a Soekris 5501 with a Meinberg C51 DCF77 receiver.
But they don’t run 24/7 normally.
I’m happy to share my stats, but I don’t see how to create a public profile on the ‘manage servers’ page.
I am running a raspberry pi 3 and a raspberry pi 4 with AdaFruit GPS HATs.
OS: Raspbian Bullseye 64 bit
NTP Server: NTPsec - Built from Source
GPS Monitor: GPSD - Built from Source
They were cobbled together with various blog posts around the internet. Started as a project with Robotic control with GPS positioning and ended up with getting me into Time Services and PPS needed for SDR radio services. Now finally providing time services.
For me it’s also a hobby (maybe grown a bit out of proportions), but all servers are second hand. You just have to check your local CraigList or Ebay, though even then they are expensive. They are usually 500-1000 USD each and most dont come complete or up-to-date. So I have had to buy additional stuff like antenna’s and update/check each one… Sounds like a hobby, right?
Ofcourse if you like to build your own and compile the binaries then buying an appliance doesn’t float your boat.
Thanks @Kets_One .
Indeed, every now and then something interesting comes along, but as you say, the second-hand prices are also quite high.
And then I wonder: do I really need it? The answer is always no, but sometimes I go for it anyway