[IGSSTATION-3215]: Incomplete GLONASS/GPS tracking data due to receiver firmware issues

Stefan Schaer stefan.schaer at aiub.unibe.ch
Thu Jul 23 09:04:04 PDT 2009


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IGS Station Mail          23 Jul 09:04:38 PDT 2009      Message Number 3215
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Author: Stefan Schaer


Dear IGS colleagues,

This is a follow-up message to IGS Mail 5935 and IGS Station 3005
message, respectively:

  http://igscb.jpl.nasa.gov/mail/igsmail/2009/msg00060.html
  http://igscb.jpl.nasa.gov/mail/igsstation/2009/msg00250.html

The list of affected IGS GNSS stations (not reporting observations for
particular operational satellites of the GLONASS constellation due to
receiver firmware issues) is still relatively long:

alic: R08 24% R11 R13 62% R15 R18 R22  LEICA GRX1200GGPRO  6.00
bako: R08 38% R11 R13     R15 R18 R22  LEICA GRX1200GGPRO  6.02/3.015
cas1: R08     R11 R13 79% R15 R18 R22  LEICA GRX1200GGPRO  N/A
cpxf: R08     R11 R13     R15 R18 R22  LEICA GRX1200GGPRO  6.02/3.015
dav1: R08     R11 R13 86% R15 R18 R22  LEICA GRX1200GGPRO  N/A
eprt: R08     R11 R13     R15 R18 R22  LEICA GRX1200GGPRO  5.62
glsv: R08 37% R11 R13 10% R15 R18 R22  NOV OEMV3           3.62
gope: R08                              ASHTECH Z18         0065
hnpt: R08     R11 R13     R15 R18 R22  LEICA GRX1200GGPRO  N/A
hyde: R08     R11 R13     R15 R18 R22  LEICA GRX1200GGPRO  5.60/3.014
iddr: R08     R11 R13     R15 R18 R22  LEICA GRX1200GGPRO  5.62
ilha: R08     R11 R13     R15 R18 R22  LEICA GRX1200GGPRO  N/A
khar: R08 37% R11 R13 13% R15 R18 R22  NOV OEMV3           3.620
maw1: R08     R11 R13 86% R15 R18 R22  LEICA GRX1200GGPRO  6.02
mobs: R08     R11 R13     R15 R18 R22  LEICA GRX1200GGPRO  6.02
mtka: R08                              ASHTECH Z18         0065      ZT16
nano: R08 27% R11 R13 17% R15 R18 R22  LEICA GRX1200GGPRO  6.00
ntus: R08     R11 R13     R15 R18 R22  LEICA GRX1200GGPRO  5.62/3.14
nurk: R08 R10 R11 R13 R14 R15 R18 75%  TPS NETG3           3.3
park: R08                              JPS E_GGD           2.5
pous: R08                              TPS GB-1000         2.5 
APR,07,2005 P1B1
rcmn: R08     R11 R13     R15 R18 R22  LEICA GRX1200GGPRO  N/A
spt0: R08 R10 R11 R13 R14 R15  6%  3%  JPS E_GGD           2.6.1 JAN,10,2008
sunm:  8% R10 R11 R13 R14 R15 R18 R22  JPS LEGACY          JPS_4 / 2.6.1 
JAN,1
unfe: R08                              ASHTECH Z18         0065      ZT17
urum: R08 R10 R11 R13 R14 R15     41%  TPS NETG3           3.3
ven1: R08 20% R11 R13 10% R15 R18 R22  LEICA GRX1200GGPRO  6.02/3.015
vesl: R08                              TPS GB-1000         3.1 
JUN,28,2007 P3
xmis: R08  3% R11 R13  6% R15 R18 R22  LEICA GRX1200GGPRO  6.00
yar3: R08 20% R11 R13 65% R15 R18 R22  LEICA GRX1200GGPRO  6.00

Legend: Given satellite number indicates that observations are
available, a blank field means that no corresponding observations are
reported, or a percentage number indicates a partial availability over
the last 30 days.

A corresponding list produced for GPS reveals further tracking
anomalies:

amu2: G03 G06 G09 G11 G24 G26      TRIMBLE NETRS       1.1-5
antc: G03 G06 G09 G11 G24 G26      TRIMBLE NETRS       1.1-5
cfag: G03 G06 G09 G11 G24 G26      TRIMBLE NETRS       1.1-5
gope:     G06 G09 G11 G24 G26      ASHTECH Z18         0065
jplm: G03 G06 G09 G11 G24 79% G32  ROGUE SNR-8100      3.2.32.11
kgni: G03 G06 G09 G11 G24 G26      TRIMBLE NETRS       NP 1.15 / SP 0.00
ksmv: G03 G06 G09 G11 G24 G26      TRIMBLE NETRS       NP 1.15 / SP 0.00
mtka: G03 G06 72% G11 G24 G26      ASHTECH Z18         0065      ZT16
nya1:  6%     G09 G11 G24 G26      TRIMBLE NETR8       3.80
nyal: G03 G06 G09 G11 G24 G26      TRIMBLE NETRS       1.1-5
pgc5: G03 G06 G09 G11 G24 G26      TRIMBLE NETRS       0.4-1 G27 OCT 2005
ssia: G03 G06 G09 G11 G24 G26      TRIMBLE NETRS       1.1-3
suwn: G03 G06 G09 G11 G24 G26 17%  TRIMBLE NETRS       VERSION 1.15
tro1:  6%     G09 G11 G24 G26      TRIMBLE NETR8       3.80
unfe:     18% G09 40% G24 G26      ASHTECH Z18         0065      ZT17
wab1: G03 G06 G09 G11     G26 G32  ASHTECH Z-XII3T     1D15      1C00

The mentioned IGS observation data summaries are regularly updated at:

  ftp://ftp.unibe.ch/aiub/igsdata/odata_glonass_incomplete.txt
  ftp://ftp.unibe.ch/aiub/igsdata/odata_glonass_receiver.txt

  ftp://ftp.unibe.ch/aiub/igsdata/odata_gps_incomplete.txt
  ftp://ftp.unibe.ch/aiub/igsdata/odata_gps_receiver.txt

Corresponding summaries are generated in addition with respect to EPN
tracking data:

bisk: 62%                     51%     65% 55%      ASHTECH Z18         
ZT16 0065
budp: R07 17% R11 R13 10% R15 R17 R18 R19 R20 R22  LEICA GRX1200GGPRO  6.00
dare: R07     R11 R13     R15 R17 R18 R19 R20 R22  LEICA GRX1200GGPRO  6.00
duth: R07 21% R11 R13 21% R15 R17 R18 R19 R20 R22  LEICA GRX1200GGPRO  
6.00/3.015
glsv: R07 37% R11 R13 10% R15 R17 R18 R19 R20 R22  NOV OEMV3           3.62
gope: R07                     R17     R19 R20      ASHTECH Z18         0065
invr: R07 20% R11 R13 24% R15 R17 R18 R19 R20 R22  LEICA GRX1200GGPRO  6.02
khar: R07 37% R11 R13 13% R15 R17 R18 R19 R20 R22  NOV OEMV3           3.620
marj: R07                     R17     R19 17%      ASHTECH Z18         
ZT16 0065
pat0: R07                     R17     R19 R20      TPS GB-1000         
3.1 JUN,28,2007 P3
pous: R07                     R17     R19 R20      TPS GB-1000         
2.5 APR,07,2005 P1B1
spt0: R07 R10 R11 R13 R14 R15 R17  6% R19 R20  3%  JPS E_GGD           
2.6.1 JAN,10,2008
vaco: R07                     R17     R19 R20      ASHTECH Z18         
ZT16 0065

bisk:     G06 G11 G18 G21 G24      ASHTECH Z18         ZT16 0065
esco: G03 G06 G11 G18 G21 G24      TRIMBLE NETRS       1.15
eusk: G03 G06 G11     G21 G24 G32  TRIMBLE 4000SSI     7.19
gope:     G06 G11 G18 G21 G24      ASHTECH Z18         0065
marj:     82% 82% G18 G21 G24      ASHTECH Z18         ZT16 0065
nya1:  6%     G11 G18 G21 G24      TRIMBLE NETR8       3.80
nyal: G03 G06 G11 G18 G21 G24      TRIMBLE NETRS       1.1-5
osls: G03 G06 G11 G18 G21 G24      TRIMBLE NETR8       3.80
stas: G03 G06 G11 G18 G21 G24      TRIMBLE NETR8       3.80
trds: G03 G06 G11 G18 G21 G24      TRIMBLE NETR8       3.80
trf2: G03 G06 G11 G18 85% G24 G32  TPS E_GGD           2.7.0 MAR,31,2008
tro1:  6%     G11 G18 G21 G24      TRIMBLE NETR8       3.80
vaco:     G06 G11 G18 G21 G24      ASHTECH Z18         ZT16 0065
vars: G03     G11 17% G21 13%      TRIMBLE NETR8       3.80

See also the regularly updated EPN observation data summaries at:

  ftp://ftp.unibe.ch/aiub/epndata/odata_glonass_incomplete.txt
  ftp://ftp.unibe.ch/aiub/epndata/odata_glonass_receiver.txt

  ftp://ftp.unibe.ch/aiub/epndata/odata_gps_incomplete.txt
  ftp://ftp.unibe.ch/aiub/epndata/odata_gps_receiver.txt

Best regards,

Stefan



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