retarding potential

retarding potential

[ri′tärd·iŋ pə‚ten·chəl]
(physics)
A potential which causes the speed of a moving particle to be reduced.
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The payloads carried by PS4 are Automatic Identification System from ISRO, Automatic Packet Repeating System from AMSAT, India and Advanced Retarding Potential Analyzer for ionospheric studies from Indian Institute of Space Science and Technology.
"In this mission, the PS4 hosts three payloads, namely, Automatic Identification System (AIS) from ISRO, Automatic Packet Repeating System (APRS) from AMSAT (Radio Amateur Satellite Corporation), India and Advanced Retarding Potential Analyzer for Ionospheric Studies (ARIS) from Indian Institute of Space Science and technology (IIST)," ISRO said in a statement.
This will be followed by bringing the rocket down further to 485km when the fourth stage/engine will turn into a payload platform carrying three experimental payloads: (a) Automatic Identification System (AIS) from ISRO for Maritime satellite applications capturing messages transmitted from ships (b) Automatic Packet Repeating System (APRS) from AMSAT (Radio Amateur Satellite Corporation), India - to assist amateur radio operators in tracking and monitoring position data and (c) Advanced Retarding Potential Analyser for Ionospheric Studies (ARIS) from Indian Institute of Space Science and Technology (IIST) - for the structural and compositional studies of ionosphere, the space agency said.
While applying the retarding potential to the target, impact of ions appeared in the form of cross-links and craters.
"This time, the mission is very innovative as three experiments were attached to it -- automatic identification system from ISRO for maritime satellite applications capturing messages transmitted from ships, automatic Packet Repeating System from AMSAT (Radio Amateur Satellite Corporation) and Advanced Retarding Potential for Ionospheric Studies (ARIS) from Indian Institute of Space Science and Technology (IIST) for the structural studies of ionosphere," he added.
It said that in this mission, the PS4 will host three payloads, namely, Automatic Identification System (AIS) from ISRO, Automatic Packet Repeating System (APRS) from AMSAT (Radio Amateur Satellite Corporation), India and Advanced Retarding Potential Analyzer for Ionosphere Studies (ARIS) from Indian Institute of Space Science and Technology (IIST).