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G4ROA > WXSAT 01.03.10 10:04l 442 Lines 14761 Bytes #999 (0) @ WW
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Subj: WX Sat Status Report 1/3
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Sent: 100301/0848Z @:GB7COV.#29.GBR.EU #:7693 [Coventry] $:670101G4ROA
From: G4ROA@GB7COV.#29.GBR.EU
To : WXSAT@WW
WEATHER SATELLITES
===============
POLAR APT, DIGITAL and GEOSTATIONARY WEEKLY STATUS.
===============================================
Author : Douglas S Deans. dsdeans@tiscali.co.uk
Sections 3 and 4 have updates.
SECTION 1: POLAR APT/LRPT REPORT -- 1st March 2010
===========================================
Satellite Frequency (MHz) Status Image Quality
NOAA 15 137.500 (APT) on good
NOAA 17 137.620 (APT) on see Note 7
NOAA 18 137.9125 (APT) on good
NOAA 19 137.100 (APT) on good
Metop-A 137.100 (LRPT) off see Note 3
Meteor M N1 137.100 (LRPT) sporadic see Note 6
CHANGES SINCE LAST REPORT.
None.
THIS WEEK'S POSSIBLE EVENTS.
None expected.
NOTES.
1. Three of the older NOAA weather satellites which have been
decommissioned and are tumbling freely are known to sporadically put
out
a carrier on 137.500 MHz. The satellites are TIROS-N, NOAA 6 and NOAA
9
When the relevant footprints overlap this will cause interference to
NOAA 15 when active on this frequency.
Latest report below.
01/05/09 - Report of consistent interference on NOAA 15 signal when
NOAA 9 footprint overlaps. My thanks to Steven Ross for this report.
2. NOAA 16's APT transmission system failed a few months after launch.
3. Metop-A's A-side LRPT transmitter has failed. Currently the redundant
B-side transmitter is off until further notice (No further service
expected due to interference with HIRS instrument).
4. NOAA 14 was decommissioned on 23rd May 2007.
5. NOAA 12 was decommissioned on 10th August 2007.
6. Signals have been reported from Meteor M N1 but they are
sporadic with periods off. Although classed as LRPT it does not
conform to the CGMS standard.
7. There is occasional very short drop outs of data causing loss of synch
on
APT imagery. As the problem is also seen in the HRPT data it is not a
transmitter or receiver issue. NOAA are reporting a 15% rise in scan
motor current since the beginning of the year causing the MIRP to auto
re-synch the motor from time to time. (hence short data loss of all
data
in HRPT stream). The situation is deteriorating.
8. Elements are available from :-
http://www.space-track.org and
http://celestrak.com/NORAD/elements/
LAUNCHES.
Possibility of Okean 5 launch 2010.
Possibility of Sich 2M launch in April 2010.
SECTION 2: POLAR HRPT/AHRPT REPORT -- 1st March 2010
=============================================
CHANGES SINCE LAST REPORT.
None.
THIS WEEK'S POSSIBLE EVENTS.
None expected.
Satellite Frequency Antenna Mode Image Quality
(MHz)
NOAA 15 1702.5 Omni HRPT Weak
NOAA 16 1702.5 LHCP HRPT Mixed ( note 3)
NOAA 17 1698.0 RHCP HRPT see note 7
NOAA 18 1707.0 RHCP HRPT Good
NOAA 19 1698.0 RHCP HRPT Good
Feng Yun 1D 1700.4 RHCP CHRPT Good
Feng Yun 3A see note 5
Metop-A 1701.3 RHCP AHRPT Good (note 4)
Meteor M N1 1700 See note 6.
NOTES.
1. NOAA 14 was decommissioned on 23rd June 2007.
2. NOAA 12 was decommissioned on 10th August 2007.
3. On Friday 19th September 2003 NOAA 16 developed AVHRR synch. problems
similar to those on NOAA 14 (and previously NOAA 15).
Since then reports have been mixed. Some periods of good data, some
poor.
UPDATE: Scan motor performance has recently improved.
4. On 25 May 2009, Eumetsat extended the coverage of the Advanced High
Resolution Picture Transmission (AHRPT) system on Eumetsat's Metop-A
polar-orbiting satellite. The improved service provides additional
coverage over the Gulf of Mexico and Indian Ocean regions.
For more information, please see:
http://www.eumetsat.int/Home/Main/Media/Features/710601
5. Feng Yun 3A was declared operational on 12th January 2009. My thanks
to
Johnny Lin for drawing this to my attention.
I am also grateful to Dave Wright of Dartcom for confirming that
unfortunately (as usual) the Chinese have not strictly complied with
the
CGMS AHRPT Global Standard so reception using a standard Metop AHRPT
receiver is not possible.
6. It appears that Meteor M N1 is neither using full HRPT or AHRPT and
cannot be received using current receivers. Please see other WSR
mails
for further explanation :-
http://tech.groups.yahoo.com/group/weather-satellite-reports/message/20
98
7. Occasional data drop outs from NOAA 17 AVHRR showing as black lines on
the HRPT image. NOAA are reporting a 15% rise in scan motor
current since the beginning of the year causing the MIRP to auto
re-synch the motor from time to time (hence short data loss of all
data
in HRPT stream). The situation is deteriorating.
LAUNCHES.
None due in the near future.
SECTION 3: CONTINENTAL GEOSTATIONARY WORLD
===========================================
WEATHER SATELLITE REPORT -- 1st March 2010
====================================
CHANGES SINCE LAST REPORT.
GOES P launch delayed to 3rd March.
THIS WEEK'S POSSIBLE EVENTS.
GOES P (GOES 15 in orbit) to launch 3rd March 2010.
Europe & Africa
------------------
Satellite : Meteosat 8 (9.5°E)
Data : HRIT (digital) and LRIT (digital)
Operational : Yes, RSS and Standby for Meteosat 9.
Satellite : Meteosat 9 (0°) (note 7).
Data : HRIT (digital) and LRIT (digital)
Operational : Yes.
North America
----------------
East.
Satellite : GOES 12 (75.0° W)
Data : GVAR (digital) - 1685.7 MHz
LRIT (digital) -1691 MHz
Operational : Yes
West.
Satellite : GOES 11 (135°W)
Data : GVAR (digital) - 1685.7 MHz
LRIT (digital) - 1691 MHz
Operational : Yes
Satellite : GOES 14 (105°W)
Data : Science test. See Note 8.
South America
----------------
Satellite : No dedicated service.
Asia (Russian Operated Satellite)
--------------------------------------
Satellite : GOMS N2 / ELECTRO-L
sometimes called ELEKTRO -L/N1
Data : HRIT/LRIT.
Operational : No. launch date unknown.
Asia (European Operated Satellites)
----------------------------------------
Satellite : Meteosat 7 (57.5°E)
HRI (digital) - 1691 MHz
Wefax (analogue) occasionally for ranging purposes
only.
Operational : Yes.
Satellite : Meteosat 6 (67.5°E) (Note 2).
Asia (Indian Operated Satellite)
-----------------------------------
Satellite : Metsat
Data : None available.
Operational : Yes.
Satellite : Insat 3A (Note 3.)
Data : VHRR (digital) 2599 MHz
Operational : Yes.
Asia & Oceania (Japanese Operated Satellites)
-----------------------------------------------------
Satellite : MTSAT-1R (140° E) (note 5.)
Data : HRIT (digital) and LRIT(digital) on 1691 MHz.
(Note 6.)
Operational : Yes.
Asia & Oceania (Chinese Operated Satellites)
----------------------------------------------------
Satellite : Feng Yun 2D (86.5°E).
Data : SVISSR (digital) and LRIT (digital)
Operational : Yes.
Satellite: Feng Yun 2E (104° E).
Data : SVISSR (digital) and LRIT (digital)
Operational : Yes.
NOTES.
1. Meteosat 7 stopped its 0° service at 09.00 UTC on 14th June 2006.
2. Meteosat-6 arrived on station at 67.5 degrees East, on the 27 April
2007.
After a short testing campaign, Meteosat-6 is now supporting the DCP
mission over the Indian Ocean during eclipse periods.
3. Insat 3A is a combined data and meteorological satellite.
4. For those interested in EMWIN data, the following sats/frequencies
apply.
GOES 7 (175 W) 1690.725 MHz.
GOES 11 (135 W) 1690.725 MHz
GOES 12 (74.5 W) 1690.725 MHz
For further info. there are many sources but the following is
particularly informative:-
http://iwin.nws.noaa.gov/emwin/user-intro.htm
5. This satellite is also known as HIMAWARI 6.
6. HiRID and WEFAX was discontinued on 12th March 2008. It was replaced
with HRIT/LRIT (after many months of dual dissemination).
7. Only LRIT (1691.0 MHz) is provided in direct readout.
Full HRIT and LRIT service from Eumetcast.
8. NOAA GOES 14 science test. See :-
http://www.ssd.noaa.gov/PS/SATS/MESS/MSG3421948.01.txt
Web Sites for more information:
http://www.ssd.noaa.gov/PS/SATS/GOES/TEN/
http://cimss.ssec.wisc.edu/goes/rt/goes10.php
LAUNCHES.
GOES P launch delayed to 3rd March 2010.
COMS. Launch of Korea's first Geostationary weather satellite
is scheduled for 22nd April 2010 aboard Ariane flight 195.
SECTION 4: EUMETCAST REPORT -- 1st March 2010
=======================================
Service Status Eurobird 9A Satellite (9° E)
EARS On Transponder TP63: 11976.82 MHz
Meteosat 8 (RSS) On Transponder TP63: 11976.82 MHz
Meteosat 9 On Transponder TP63: 11976.82 MHz
DWDSAT On Transponder TP63: 11976.82 MHz
EPS(Metop-A) On Transponder TP63: 11976.82 MHz
Jason On Transponder TP63: 11976.82 MHz
CHANGES SINCE LAST REPORT.
General Note updated.
Metop and NOAA Global Data Service Note added.
Metop and NOAA Regional Data Service Note updated.
SAF Note added.
FSD Note updated.
THIS WEEK AND FUTURE POSSIBLE EVENTS.
GENERAL NOTE.
02 March 2010 12:00 - 13:00 UTC.
Essential EUMETCast Africa Maintenance
Risk of short interruption to all C-Band Africa users.
Due to sun interferences of the disseminating satellites and individual
user
stations, users might experience lower signal margin or outages on
EUMETCast. For exact dates and times, please see:
http://www.eumetsat.int/Home/Main/News/OperationalNews/716839?l=en
METEOSAT 9.
24 February 2010 - 06 March 2010.
Sun Co-linearity.
Repeat cycles 12:00 and 12:15 UTC may be interrupted or not available.
METEOSAT 8 (RSS).
24 February 2010 - 05 March 2010.
Sun Co-linearity
Repeat cycles 11:15 and 11:30 UTC may be interrupted or not available.
IODC.
09 February 2010 - 30 March 2010.
Meteosat-7 Spring Eclipse Season.
Slots 38-44 may not be scanned.
METOP AND NOAA GLOBAL DATA SERVICE.
01 March 2010 - 04:35 UTC.
ASCAT Gain compression.
A short outage can be expected.
03 March 2010 - 07:20 UTC.
04 March 2010 - 18:20 UTC.
ASCAT External Calibration for T1 Acceptance Testing
A short outage can be expected.
03 March 2010.
Following the upgrade to BUFR edition 4, and starting on 3 March 2010, all
IASI Level 2 near-real-time disseminated products will include all Fields
Of
View (FOVs) of IASI, instead of the current 1 out of 2. This change
doubles
the size of the TWT (Atmospheric Temperature Water Vapour and Surface Skin
Temperature), CLP (Cloud Parameters), OZO (Ozone) and TRG (Trace Gases)
products on the EUMETCast and GTS dissemination.
METOP AND NOAA REGIONAL DATA SERVICE.
01 March 2010 09:00 - 11:00 UTC.
EARS network maintenance.
Risk of delays for all EARS products.
SAF.
02 March 2010 09:30 - 10:30 UTC.
O3M-SAF - Processor upgrade to version 1.22. The affected products include
Near real-time & Offline Ozone Profiles and Aerosols. The impact for
users
is negligible.
During the upgrade there may be a delay to the dissemination of the Near
real-time Ozone Profiles.
FSD.
2 March 2010.
DevCoCast PML mapped MODIS/MERIS data will change format from
netcdf-4 to gzip-compressed netcdf-3.
This is to increase compatibility with applications using older netcdf
libraries, including BILKO.
The filename convention remains unchanged except for the addition of ".gz"
at the end, e.g. PML_meris_Ghana_20100112101700.nc
will become PML_meris_Ghana_20100112101700.nc.gz
13 February 2010 - 28 April 2010.
GOES11_135W Eclipse.
09:00 UTC and 10:00 UTC files may be not available.
13 February 2010 - 28 April 2010.
GOES12_75W Eclipse.
05:00 UTC and 06:00 UTC files may be not available.
03 March 2010 - 09 March 2010.
MTSAT-1R_140E.
Due to sun interference, the 03:00 UTC files may not be available.
The following EPS GDS products are available on Eumetcast.
EPS-2 PID 510 Metop AMSA operational
EPS-3 PID 510 Metop ASCAT operational
EPS-4 PID 510 Metop ATOVS operational
EPS-5 PID 510 Metop GOME operational
EPS-6 PID 510 Metop GRAS operational
EPS-7 PID 510 Metop HIRS operational
EPS-8 PID 510 Metop MHS operational
EPS-10 PID 510 Metop AVHRR operational
EPS-11 PID 510 Metop IASI operational
EPS-13 PID 510 NOAA AMSA operational
EPS-14 PID 510 NOAA ATOVS operational
EPS-15 PID 510 NOAA GAC operational
EPS-16 PID 510 NOAA HIRS operational
EPS-17 PID 510 NOAA MHS operational
EPS-18 PID 510 EPS Service News operational
EPS-19 PID 510 Test service operational
(EPS-19 may sometimes be limited to Manufacturers)
NOTES.
1. Reports for all sections should be sent to :-
Douglas Deans dsdeans@tiscali.co.uk
2. For further information on the Eumetcast service see :-
David Taylor's web site
http://www.satsignal.eu => Weather Satellites, Using EUMETCast
or Satellite Tools, MSG
Data
Manager.
or the Eumetsat web site www.eumetsat.int
GENERAL
=======
For further weather satellite related information join GEO, Group for
Earth
Observation, and receive the informative quarterly magazine. See :-
http://www.geo-web.org.uk/
To download element sets for all satellites visit the following sites :
http://www.space-track.org and
http://celestrak.com/NORAD/elements/
==========================
73's - Adrian, G4ROA @ GB7COV
Message timed: 07:43 on 01 Mar 2010
Message sent using WinPack V6.80 (R)
(Prog written by Roger Barker, G4IDE/G8MZX, Silent Key 09/09/04)
Member of:
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QTH Loc - IO92gj
NGR SP 342 765
GPS 52deg 23.15min N
001deg 29.83min W
E-Mail: G4ROA@AOL.com
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