[time-nuts] sub-minute time-precision in court-case
Martin A Flynn
maflynn at theflynn.org
Wed Sep 4 00:16:44 UTC 2013
Re the PSAP timekeeping Requirement: See NENA 04-002, Traceable UTC
Source, Master Clock Specification
http://www.nena.org/resource/collection/6EE32917-37BD-4FA0-838C-026931F702A6/NENA_04-002-v4_PSAP_Master_Clock.pdf
On 9/3/2013 7:59 PM, Jim Lux wrote:
> I was assuming (with no real basis, I realize) that the 911 call time
> came from the cell equipment, rather than the Public Safety Answering
> Point log. The PSAP log would have no particular reason to be synced
> to the carrier equipment. It could well be "what time was on the watch
> of the guy starting the equipment", although these days, one would
> *think* that they use something like NTP to set the system time.
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