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- 12-15-2009
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GLONASS
Three More GLONASS Satellites Launched
http://www.gpsworld.com/gnss-system/glonass/news/three-more-glonass-satel=
lites-launched-9286?print=3D1
December 15, 2009
The Russian space agency Roscosmos launched a venerable Proton rocket car=
rying three=20
GLONASS-M satellites into orbit on December 14. Each 3,000-pound satellit=
e is designed to=20
last seven years. They join a constellation now numbering 19 satellites, =
although one of=20
those is about to be decommissioned and two more are out of service for m=
aintenance.
Russian politicians and satnav system managers had hoped to launch six sa=
tellites this=20
year, to attaina global service level, which requires 24 satellites, eig=
ht each in three=20
orbital planes. However, a payload glitch found aboard one recent satelli=
te, after its=20
launch into space, forced a return to the factory of three satellites sch=
eduled for launch=20
this past September. The three launched this week will now only bolster c=
ontinuing GLONASS=20
coverage of Russian sovereign territory, which requires 18 operating spac=
ecraft.
The next GLONASS launch is now scheduled for a February 11=E2=80=9320, 20=
10, window.
The Block 41 GLONASS-M satellites (Nos. 30, 33, and 34) have been placed =
in Plane 1, which=20
currently has only four healthy satellites. According to Roscosmos, commu=
nications has=20
been established with all of the satellites, and performance is nominal.
On 09-12-15 16:55 , Sam Wormley wrote:
> December 15, 2009
> The Russian space agency Roscosmos launched a venerable Proton rocket
> carrying three GLONASS-M satellites into orbit on December 14. Each
> 3,000-pound satellite is designed to last seven years. They join a
> constellation now numbering 19 satellites, although one of those is
> about to be decommissioned and two more are out of service for maintena=
nce.
> The Russian space agency Roscosmos launched a venerable Proton rocket
> carrying three GLONASS-M satellites into orbit on December 14. Each
> 3,000-pound satellite is designed to last seven years. They join a
> constellation now numbering 19 satellites, although one of those is
> about to be decommissioned and two more are out of service for maintena=
> Russian politicians and satnav system managers had hoped to launch six
> satellites this year, to attaina global service level, which requires 2=
4
> satellites this year, to attaina global service level, which requires 2=
> satellites, eight each in three orbital planes. However, a payload
> glitch found aboard one recent satellite, after its launch into space,
> forced a return to the factory of three satellites scheduled for launch=
> glitch found aboard one recent satellite, after its launch into space,
> forced a return to the factory of three satellites scheduled for launch=
> this past September. The three launched this week will now only bolster=
> continuing GLONASS coverage of Russian sovereign territory, which
> requires 18 operating spacecraft.
> The next GLONASS launch is now scheduled for a February 11=E2=80=9320, =
2010,
> requires 18 operating spacecraft.
> The next GLONASS launch is now scheduled for a February 11=E2=80=9320, =
> window.
> The Block 41 GLONASS-M satellites (Nos. 30, 33, and 34) have been place=
d
> The Block 41 GLONASS-M satellites (Nos. 30, 33, and 34) have been place=
> in Plane 1, which currently has only four healthy satellites. According=
> to Roscosmos, communications has been established with all of the
> satellites, and performance is nominal.
> satellites, and performance is nominal.
Cool. The more the better.
Anyone know about prices/availability for Trimble receivers?
> Three More GLONASS Satellites Launched
> http://www.gpsworld.com/gnss-system/glonass/news/three-more-glonass-sat=