[time-nuts] [Fwd: GPS 256 week rollover may be causing problems for some GPS receivers]

[M. Warner Losh]

In message: <4A3BF553.20205 at rubidium.dyndns.org>
            Magnus Danielson <magnus at rubidium.dyndns.org> writes:
: Have any of you seen the reported problems?

"These counts started at 0 roughly at midnight UTC 6 Jan 1980"

What does "roughly" mean here in this context?

Warner