[tz] CCTF survey on Time and Frequency Metrology - Telecom

Paul Gilmartin PaulGBoulder at aim.com
Fri Jan 29 17:33:35 UTC 2021

> On 2021-01-28, at 12:15:21, Garrett Wollman wrote:
> Most CBS owned-and-operated radio stations installed "HD Radio", which
> requires an eight-second delay in the analog audio to match the
> compression delays on the digital side. ...
How do stations and networks deal with that latency between
a news anchor in the home office and a reporter in the field?
Perhaps a low-latency side channel?  Eight seconds of dead
air is expensive.

I'm changing my stance on Leap Seconds: yes, it's a means of
keeping UTC synchronized with the earth's rotation.  But I
see no need.  Fix UTC forever at TAI - 42(?) s and make desired
adjustments in civil time.  At some future date when the drift
accumulates to several minutes, change my timezone from MST7MDT
to MST7:15MDT.  This can be coordinated with the Spring clock
reset: every few centuries that can be +45 minutes instead of

-- gil

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