Arecibo World Day Data Holdings Since 1986


 

Note on Duration: The duration indicates starting and ending time only. Data may not be continuous during the time-interval indicated.

Note on Data Types:

·      B: High resolution plasma concentration obtained by using barker-code. Typically covers the altitude range from 60 to 550 km.

·      E: E-region ion drifts, electron/ion temperature, neutral winds and plasma concentration.

·      F: F-region (~140 - 660 km) ion drifts, electron/ion temperature, and plasma concentration.

·      T: Topside (~250 - 3000 km), electron, H+, He+, O+ temperature, fraction of H+, He+, total ion concentration, ion drifts (may not be available simultaneously).

 

|| 1986 || 1987 || 1988 || 1989 || 1989 ||

|| 1990 || 1991 || 1992 || 1993 || 1994 || 1995 || 1996 || 1997 || 1998 || 1999 ||

|| 2000 || 2001 || 2002 || 2003 ||

 

Year

Month

Duration (dd/hh:mm)

Data Type

Comments

1986

01

14/11:10 – 17/12:55

F B

 

03

05/11:34 – 06/11:49

F B

 

04

01/09:50 – 04//11:55

F B

 

05

06/11:32 – 07/11:58

F B

 

06

04/09:40 – 05/11:54

F B

 

08

27/10:50 – 28/09:45

F B

 

09

23/10:47 – 26/11:56

F B

 

11

07/21:41 – 09/06:10

F B

 

12

10/13:28 – 11/12:03

F B

 

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Year

Month

Duration (dd/hh:mm)

Data Type

Comments

1987

04

28/11:00 – 29/11:53

F B

 

05

14/12:23 – 14/21:52

F B

 

06

10/10:39 – 20/16:26

F B

 

08

26/11:21 – 27/06:51

F B

 

09

21/07:59 – 26?15;27

F B E

LTCS 1

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Year

Month

Duration (dd/hh:mm)

Data Type

Comments

1888

01

12/07:08 – 16/06:28

F B

 

03

16/12:09 – 20/21:51

F B

 

06

13/06:38 – 14/07:57

F B

 

07

12/16:46 – 13/17:50

F B

 

09

12/06:36 – 13/18:15

F B

 

11

09/06:45 – 10/13:54

F B

 

12

05/10:55 – 11/11:33

F B E

LTSC 2

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Year

Month

Duration (dd/hh:mm)

Data Type

Comments

1989

03

06/07:35 – 07/06:18

F B

AIDA campaign

04

11/112:40 – 12/17:50

F B

 

05 – 06

30/17.05 – 04/15:11

 

LTCS 3

08

01/14:32 – 02/16:57

F B

 

08 – 09

28/08:30 – 01/08:30

F B

 

10

02/08:55 – 06/16:16

F B

 

10 – 11

31/10:29 – 01/15:38

F B

 

11

27/08:41 – 28/18:26

F B

 

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Year

Month

Duration (dd/hh:mm)

Data Type

Comments

 

 

 

 

 

 

1990

02

12/12:00 – 17/23:49

F B E

 

05

21/11:12 – 22/15:44

F B

LTCS 4 line-of-sight data only

06

25/13:46 – 29/14:52

F B

 

09

20/14:24 – 20/20:24

F B

 

11

14/20:04 – 17/22:10

F B

 

12

08/12:28 – 08/20:15

F B

 

12

17/09:42 – 19/17:50

F B

 

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Year

Month

Duration (dd/hh:mm)

Data Type

Comments

1991

01

11/10:00 – 12/11:48

F B

 

03

14/15:30 – 19/05:40

F B E

LTCS 5, large gaps

04

09/12:36 – 10/17:51

F B

 

06

05/16:17 – 06/17:51

F B

Storm period

06

11/10:18 – 12/17:51

F B

Storm period

07

10/05:43 – 11/15:54

F B

 

08

04/19:06 – 05/05:36

F B

 

09

10/09:29 – 11/15:35

F B

 

10

07/09:08 – 09/16:49

F B

 

12

05//20:44 – 10/17:19

F B

LTCS6 large data gaps

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Year

Month

Duration (dd/hh:mm)

Data Type

Comments

1992

01

27/10:07 – 28/19:18

F B

 

03 – 04

30/10:55 – 03/16:43

F B E

LTCS 7

05

05/10:22 – 06/16:54

F B

 

06

23/12:38 – 24/16:43

F B

 

07 – 08

30/15:34 – 05/16:34

F B E

LTCS 8

09

22/11:51 – 23/02:58

F B

 

10

27/10:15 – 28/17:49

F B

 

11

23/10:06 – 25/23:48

F B

 

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Year

Month

Duration (dd/hh:mm)

Data Type

Comments

1993

01

20/10:27 – 30/15:16

F B E

LTCS 9 gaps around midnight

03

17/11:27 – 18/16:47

F B

 

05

18/10:32 – 19/16:47

F B

 

06

15/09:40 – 16/17:45

F B

 

07

20/09:18 – 21/16:53

F B

 

10

18/15:43 – 19/15:42

F B

 

11

09/10:00 – 10/14:52

F B

 

12

07/12:11 – 08/15:47

F B

 

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Year

Month

Duration (dd/hh:mm)

Data Type

Comments

1994

01

 

F B

 

02

08/17:14 – 09/07:53

F B

Gregorian upgrading started

04

12/17:31 – 13/07:38

F B

 

06

08/20:34 – 09/10:16

F B

 

07

05/19:14 – 06/08:16

F B

 

08

10/18:53 – 16/07:12

F B

LTCS10 mostly line-of-sight nighttime data

09

06/18:50 – 07/07:30

F B

 

10

04/19:00 – 05/07:20

F B

 

11

08/18:40 – 09/07:08

F B

 

12

06/17:27 – 07/07:09

F B

 

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Year

Month

Duration (dd/hh:mm)

Data Type

Comments

1995

02 – 03

28/20:06 – 02/07:04

F B

 

03

28/17:34 – 29/07:04

F B

 

04

25/19:34 – 30/24:00

F

Not a world day, contact staff

05

01/00:26 – 05/23:50

F B

LTCS 11 nighttime and line-of-sight only

08

22/20:54 – 24/07:13

F B

 

09

27/16:44 – 28/07:04

F B

 

10

23/17:44 – 27/07:05

F B

LTCS 12 nighttime and line-of-sight only

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Year

Month

Duration (dd/hh:mm)

Data Type

Comments

1996

 

 

 

 

03

19/??:?? – 22/??:??

 

LTCS 13 no data

10

08/??:?? – 08/??:??

 

LTCS 14 no data

No World Day data in 1996 due to Gregorian construction.

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Year

Month

Duration (dd/hh:mm)

Data Type

Comments

1997

01

06/??:?? – 10/??:??

F B

LTCS 15 nighttime line-of-sight data only

02

01/??:??

 

 

06

23/??:?? – 27/??:??

 

LTCS 16 no data

09

 

 

No WD data due to Gregorian commissioning

10

21/23:00 – 23/07:00

F B

WLS nighttime, vertical pointing

11

04/??:?? – 05/??:??

 

WD, no data due to Gregorian commissioning

11

13/??:?? – 20/??:??

B

Not a WD; Contact John Mathews, John Cho or Staff

12

02/??:?? – 04/??:??

T

POLITE, nighttime only

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Year

Month

Duration (dd/hh:mm)

Data Type

Comments

1998

01

20/??:?? – 21/??:??

F B

Nighttime only

03

23/??:?? – 27/??:??

 

LTCS 17; nighttime only

04

27/??:?? – 29/??:??

 

Nighttime only

05

26/??:?? – 28/??:??

 

POLITE

06

23/17:21 – 24/15:59

F B

 

08

18/11:18 – 19:15:45

F B

 

09

21/??:?? – 25/??:??

 

LTCS 18 cancelled due to Hurricane Georges

10

19/11:36 – 21/18:02

F B

 

11

22/??:?? – 24/??:??

 

POLITE

12

08/??:?? – 09/??:??

 

No data

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Year

Month

Duration (dd/hh:mm)

Data Type

Comments

1999

01

12/??:?? – 13/??:??

 

Database

02

09/09:02 – 12/17:48

F B

Global Iono-Thermo Coupling, gaps exist

03

08/17:22 – 12/17:59

F B E

LTCS 19

04

20/19:40 – 21/21:10

F B

WLS

07

06/15:20 – 08/17:58

F B

Global ionospheric convection

09

07/12:26 – 09/18:01

F B

WLS (?)

10

08/??:?? – 09/??:??

 

POLITE

10

12/12:44 – 14/14:54

F B E

LTCS 20

12

14/??:?? – 15/??:??

 

POLITE

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Year

Month

Duration (dd/hh:mm)

Data Type

Comments

2000

01

06/14:36 – 07/20:25

B E F T

POLITE

03

14/11:41 – 17/17:57

F B

Global convection

04

11/11:45 – 13/16:00

F B

 

06

13/18:00 – 14/08:00

B E F

Transmitter and receiver problems, no useful data

07

05/10:59 – 07/17:20

E F T

 

09

23/07:14 – 27/17:56

B E F

WLS

12

11/11:27 – 13/09:23

B E

LTCS 21

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Year

Month

Duration (dd/hh:mm)

Data Type

Comments

2001

02

13/11:49 – 15/16:00

B E

 

04

17/14:18 – 19/20:01

E F

WLS

07

11/??:?? – 12/??:?? 13/??:?? – 14/??:??

 

First World Day experiment with Dual Beam

09

10/12:00 – 14/8:00

E F

LTCS 22

10

10/11:00 – 11/14:45

F T

WLS; POLITE

16/11:07 – 18/03:45

18/07:57 – 18/09:19

E T

11

10/11:55 – 14/??:??

E F

 

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Year

Month

Duration (dd/hh:mm)

Data Type

Comments

2002

03

26/07:55 – 26/17:00

 

 

04

15/13:00 – 17:18:00

B E F

 

06

11/17:13 – 12/18:00

 

 

08

13/17:54 – 14/18:00

E F

 

10

07/17:15 – 11/08:30

B E F

POLITE

11

11/14:15 – 12/08:00 12/16:30 – 13/16:00

B E F

LTSC 23

12

03/12:00 – 05/12:00

E F

 

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Year

Month

Duration (dd/hh:mm)

Data Type

Comments

2003

03

24/??:?? – 28/??:??

 

LTCS 24

 

 

 

 

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Last updated on: 03/25/2003 by Carlos A. Vargas-Alvarez


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