Proposal to amend UN R65
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Proposal to clarify the definition of “‘on’ time” (tH) to address cases where a single flash consists of several flashes.

Reference Number: GRE-82-09
Origin: Poland
Date: 8 October 2019
Proposal Status: Superseded
Related Documents:
GRE/2020/18 | UN R65: Proposal for Supplement 11
Working Party on Lighting and Light-signalling | Session 82 | 22-25 Oct 2019

38. The expert from Poland proposed to clarify the definition of the “on” time for the case of a group of flashes (GRE-82-09). The expert from GTB pointed out that the GTB Working Group Photometry had recently considered an alternative wording for the same purpose. GRE invited both experts to submit a new proposal to the next session.