ntpd/refclock_oncore.c

ntpd/refclock_oncore.c
    The oncore hardware provides a 'negative saw-tooth' the offset of the PPS signal
    which is on the zero crossing of its internal clock, from its true value.  the
    refclock_oncore.c driver applies this difference to correct the time of the
    provided timestamp.  This value was being applied correctly for the 6 and 8 channel
    receivers, but not for the 12 channel.  This has been corrected.

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