Results of Leap Seconds Schedule and Cost

A related web page has survey questions regarding schedule and cost consequences of discontinuing leap seconds which may be incurred by observatories. The results are tallied here.

Minimum feasible time to implement remedy	Advance warning needed to absorb remedy costs	Cost per telescope system with 5 years warning	observatory/telescope identity
a few weeks	8 to 10 months	N/A	Deep Space Network
maybe 6 months	maybe 3 years	maybe $10k in hardware maybe $10k in software	University of Texas 2.7m, HET, MLRS
2 years	10 years	$20k	Lick Observatory Shane 3m, Nickel 1m
N/A	N/A	$50k	Keck Observatory two 10m telescopes
1 year	2 years	$10k	Owens Valley Radio Observatory Caltech mm-wave Array, 40m, 5.5m
1 to 2 years	10 years	$500k	all telescopes at an optical/IR observatory

Steve Allen <sla@ucolick.org>

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