Glossary: open-source license – VDAT
O
open-source license
Open source licenses are licenses that
comply with the Open Source
Definition — in brief, they allow
software to be freely used, modified,
and shared. To be approved by the
Open Source Initiative (also known as
the OSI), a license must go through the
Open Source Initiative's license review
process.
open-source software
Open source software is software with
source code that anyone can inspect,
modify, and enhance.
P
PPM
Pulse Position Modulation (PPM) is a
signal modulation technique that allows
computers to share data by measuring
the time each data packet takes to
reach the computer (transmitter to
receiver).
Q
Quality Score
A measure of the quality of an HR
detection, where 10 is excellent and 1
is poor. The quality score may be used
to assist with filtering false detections
out of a dataset. Detections with a
quality score < 3 are filtered out upon
export to CSV when using the Export
Data application (HR detections on
HR2 receivers only)
R
ROM
Acronym for Read-Only Memory.
ROM is computer memory on which
data has been pre-recorded. It retains
its contents even when the computer is
turned off.
U
UTC
Coordinated Universal Time is the
primary time standard by which the
world regulates clocks and time. Time
zones around the world are expressed
using positive or negative offsets from
UTC, as in the list of time zones by
UTC offset.
V
VDAT
VEMCO Data file (VDAT).VDAT
files are binary files that cannot be
altered, and therefore provide a
permanent record of the data stored by
the receiver.
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