Guralp-systems Strong Motion Manuel d'utilisateur télécharger pdf (Page 4)

Strong Motion User Guide

the “LLstreams enable” command. The data may be turned off

at any time with “LLstreams disable”.

This build also fixes several bugs connected with strong

motion:

● Sometimes, only half of the low latency data was output

(e.g. there would be data for 00:00:00, 00:00:02,

00:00:04 but not for 00:00:01, 00:00:03 etc.). This was

triggered by a GPS sync occuring while the DM24 was

creating such a block.

● Sometimes, there were 21 data samples transmitted in a

low latency block. This was another manifestation of the

GPS sync occuring while creating the block.

● The first SM packet was computed using incorrect values

as the infoblock had not been interpreted yet.

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Guralp-systems Strong Motion Manuel d'utilisateur Page 4