meinberg dcf77 compatible clock
folkert
folkert at vanheusden.com
Sun Jan 16 18:36:07 UTC 2022
Hi,
Today I connected a meinberg dcf77 compatible receiver.
ntpsec refused to use it in its default (ubunt-)configuration:
ntpd[4607]: REFCLOCK: PARSE receiver #0: parse_start: open of /dev/refclock-0 failed: Permission denied
even if chmod'ed it rwrwrw it didn't work.
Only after I removed O_NOCTTY in ntpd/refclock_generic.c it would start.
The receiver is connected via USB (I'm aware that that is bad for
timekeeping) as /dev/ttyUSB0 and I made a symlink to refclock-0 for
that.
regards
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