[time-nuts] Re: Disabled Thunderbolt

2022-04-09 Thread Francesco Messineo
Not of much help, but: The tbolt doesn't do a new survey if the stored position matches (to a few meters afair). In a similar occurrence, many years ago, I've repaired a modem that was hit by a close EMP by replacing the RS-232 level translator ICs (75188, 75189 or whatever is used on a tbolt).

Re: [time-nuts] Symmetricom TimeSource 3000

2021-02-20 Thread Francesco Messineo
Hi all, for what is worth, around 15 years ago I had made a couple of NTP servers using the serial (RS-422) output of the TS 3000 we had for T1 timing in the datacenter. I brought the serial stream to a couple of Linux servers and found a format that NTP could decode as the TS-3000 can output a

Re: [time-nuts] 10 MHz -> 16 MHz

2018-09-30 Thread Francesco Messineo
On Sun, Sep 30, 2018 at 5:58 AM Tom Van Baak wrote: > > What's a clever, simple, reliable (pick 2 of 3) way to get 16 MHz out of 10 > MHz? Low phase noise isn't a big requirement and jitter doesn't need to be > sub-nanosecond. The main requirement is perfect cycle count accuracy. This is > for