[ntp:questions] Re: Clock accuracy & auto setting : digital television does a crap job of providing time services...
You have no need to know
anjahnoaoed at fl.net.invalid
Sun Apr 23 12:03:23 UTC 2006
Abandoning the right to remain silent, Marc Brett at Fri, 21 Apr 2006
08:40:57 +0100 said:
> On Thu, 20 Apr 2006 22:49:52 -0700, "Max Power"
> <mikehack at u.washington.edu> wrote:
>>>i think my Sanyo HDTV switches to analog to set clock.
>>> ATSC time is always late ?
>>ATSC and DVB-T (DVB in general) are devoid of a 64 bit (or 80 bit) clock
>>packet (based on NTP and 'Unix Time').
>>For people to be forced to rely upon GNSS (Glonass, GPS, Galileo) for a
>>time signal is rather immoral when TV transmitters (and radio too,
>>remember RDS) pump out many megawatts of signal each day (globally).
> Immoral? That's a bit strong, innit? You don't NEED to rely on
> satellites for time signals. There are many LF radio time signals, such
> as WWV, WWVB, WWVH, CHU, MSF, DCF77, and others. CDMA cell phone towers
> broadcast a time signal.
Immoral sounds good to me. If you can point me in the direction of an LF
receiver that works in Australia I might reconsider.
Or a CDMA receiver at a price similar to one of those LF receivers that
everyone raves about.
Avoid reality at all costs.
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