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#120 by baldusi on 20 Jan, 2016 13:57
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Congratulations to ISRO! Another impeccable PSLV launch. Let's just do the same with the VLM3.
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#121 by vineethgk on 20 Jan, 2016 14:07
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Thanks Steve and Chris for your wonderful coverage !
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#122 by Ohsin on 21 Jan, 2016 06:13
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Quote
The apogee raise maneuver of IRNSS-1E has been successfully carried out for 1197 sec (~20 min) from 09:41 hrs IST on Jan 21, 2016. This LAM firing is expected to change apogee X perigee height to 35882kmX320 km
http://isro.gov.in/update/21-jan-2016/irnss-1e-update-apogee-raise-maneuver-of-irnss-1e-has-been-successfully-carried -
#123 by Ohsin on 23 Jan, 2016 05:22
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Jan 23, 2016
IRNSS 1E Update: The perigee raise maneuver has been successfully carried out for 1515.36 sec (~25.5 min) from 01:29 hrs IST on Jan 22,2016.
Orbit Determination results from this LAM firing are: apogee X perigee height was changed to 35819 kmX 7330 km. Inclination changed from 19.2 to 24.07 deg. Orbital period is 12hr 55min 11sec.
http://www.isro.gov.in/update/23-jan-2016/irnss-1e-update-perigee-raise-maneuver-has-been-successfully-carried-out-151536
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#124 by Ohsin on 23 Jan, 2016 10:56
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Jan 23, 2016
IRNSS 1E Update:
The third orbit raising operation has been successfully carried out by firing the LAM engine for 1507 sec (~25 min) from 03:19 hrs IST on Jan 23, 2016.
The Orbit Determination results from this LAM firing are:
apogee X perigee height was changed to 35827km X 24618 km. Inclination changed to 27.35 deg. Orbital period is 19hr 21min 27sec.
http://www.isro.gov.in/update/23-jan-2016/irnss-1e-update-third-orbit-raising-operation-has-been-successfully-carried-out -
#125 by Chris Bergin on 24 Jan, 2016 13:00
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ISRO @isro 1m1 minute ago
IRNSS 1E Update: The fourth and final orbit raising operation has been successfully carried out. -
#126 by Ohsin on 24 Jan, 2016 13:25
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Jan 24, 2016
IRNSS 1E Update:
The fourth and final orbit raising operation has been successfully carried out for 447 sec (~7.45 min) from 22:49 hrs IST on Jan 23, 2016.
The Orbit Determination results from this LAM engine firing are:
apogee X perigee height was changed to 35827km X 35353 km, Inclination changed to 28.07 deg. Orbital period is 23hr 46min.
http://www.isro.gov.in/update/24-jan-2016/irnss-1e-update-fourth-and-final-orbit-raising-operation-has-been-successfully
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#127 by Ohsin on 16 Feb, 2016 16:05
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http://isro.gov.in/irnss-programme/towards-self-reliance-navigation-irnss
1E at its destination(111.75E) and healthy after in orbit testing.