ITEM

INDEX

NAME

TYPE

DESCRIPTION

1

1

SCID

I*1

Spacecraft Identification; 1=Voyager 1; 0=Voyager 2

2

MODE

I*1

Spacecraft telemetry mode 01(H)=CR2; 02(H)=CR3; 03(H)=CR4 04(H)=CR5; 05(H)=CR6; 07(H)=CR1 0A(H)=FE; 08(H)=NE; 18(H) or 1D(H) CR5A

Spacecraft Event Time-contains the Greenwich Mean of the first bit of the first spacecraft minor frame used in this LECP major frame

3

2

SCETH

I*2

Spacecraft Event Time, Hour-number of hours since the beginning of the current year plus 24.  For the one hour interval Jan 1, 0000-0059 UT, SCET=24.  The Day of Year may be computed using DAY=(SCETH/24)

4

3

SCETS

I*2

Spacecraft Event Time (sec.) number of seconds since the beginning of the current hour

5

4

SCETMS

I*2

Spacecraft Event Time, (millisec) no. of milliseconds since the beginning of the current second.

6

5

SCETY

I*2

Spacecraft Event Time, Year-contains the last two digits of the current year (i.e., 77, 78)

7

6

G18ID

I*1

Group 18 Identification-contains the number of the LECP data group being readout at the end of the current LECP major frame

8

7

SCETF

I*1

Spacecraft Event Time Flag-indicates that the spacecraft clock has been corrected in some manner in the JPL processing.  Bit 0 indicates correction to the line count (0=none, 1=corrected) bit 1 the MOD60 counter and bit 2 the MOD2**16 counter.

9

7

MOD216

I*2

Mod2**16 Spacecraft Clock Word-contains the spacecraft Mod2**16 word for the first minor frame of the current record. This word is incremented every 48 minutes on the overflow of the Mod60 counter

10

8

M60

I*2

Mod60 Spacecraft Clock Word-contains the spacecraft Mod60 word for the first minor frame of the current record.  It  has a range of 0 to 59 and is incremented every 48 seconds at the overflow of the line counter

11

9

LC

I*2

Spacecraft Line Counter-contains the line count for the first minor frame in the current record LC ranges from 1 to 800(D) and is incremented every 0.06 seconds

12

10

S1

I*2

LECP Status Word 1, 10 bits, right justified

13

11

S2

I*2

LECP Status Word 2, 10 bits, right justified

14

12

S3

I*2

LECP Status Word 3, 10 bits, right justified

15

13

S4

I*2

LECP Status Word 4, 10 bits, right justified

16

14

S5

I*2

LECP Status Word 5, 10 bits, right Justified

17

15

S6

I*2

LECP Status Word 6, 10 bits, right justified

18

16

MP

I*2

LECP Motor Position-contains the motor position at the end of the current record.  Bit 0 is set if the status word indicates motor centering, it is zero otherwise.  Bits 1-3 contain the motor position with 0-7 corresponding to sector 1 thru 8 respectively.  MP=-1 if motor position is unknown

19

17

NMS

I*2

Number of Motor Steps-indicates the number of motor steps within the current LECP Major Frame.  Turn arounds in Sectors 8 and 1 or 2 are considered to be two steps. If = -1, datun is unknown.

20

18

LATEMP

I*2

LECP Log. Amp. Temperature-contains the log. amp. temp. (degrees C) x 128. LATEMP= -9999 if the temperature is unknown

21

19

TTEMP

I*2

LECP Telescope Temperature-contains the telescope temperature (degrees C) x 128. TTEMP= -9999 if the temperature is unknown

22

20

BAI

I*2

Basic Accumulation Interval-contains the number of milliseconds of accumulation times for the group 1 and 2 logics (Exception—for CR5A units are 0,01 sec.!!)

23

21

NG

I*2

Number of Groups-indicates the number of rate groups included in the current major frame

24

22

MRT/MPT

I*2

01=Master Rate Record, 02=Master Pulse Record, 4 SEDR, 10 ENG, 11 Cal

25

23

VN

I*2

Version Number-indicates the version of S1P used to process the current data

26

24

LEPT/LEMPA

I*2

Indicates data type in record: -1=Don't know; 0=LEPT; 1=LEMPA "Normal" NE Logics in GS3

27

25

RED A/B

I*2

Redundancy A or B logic flag, -1 Unknown, 0 = A; 1 = B

28

26

PROC. STAT

I*2

Check SW4 for 50/50.  If 50/50 then Item 26 0=LEPT Norm F.E. 1=LEMPA
Also check DQW 14-15=11 (in CR5A 0 = S1P; 1=S2P)

29

27

STEPPING RATE

I*2

Motor period in seconds: -1 = Unknown; 0 = not decoded; 9000 = encounter stow (V2 Jupiter) 10000 Stowed or commanded to position; otherwise one of 5,6,24,48,192,360 or 384 sec.

30

28

I*2

Status Word 5 (Near Encounter only) otherwise unused.

31

30

I*2

Status Word 5 (Near Encounter only) otherwise unused.

32

31

I*2

Status Word 5 (Near Encounter only) otherwise unused.

33

32

I*2

Status Word 5 (Near Encounter only) otherwise unused.

34

33

I*2

Status Word 5 (Near Encounter only) otherwise unused.

35

34

I*2

Status Word 5 (Near Encounter only) otherwise unused.

36

35

I*2

Status Word 5 (Near Encounter only) otherwise unused.

37

36

I*2

Status Word 5 (Near Encounter only) otherwise unused.

38

37

I*2

Status Word 5 (Near Encounter only) otherwise unused.

39

38

I*2

Spare

ITEM

ARRAY

INDEX

LOGIC

#AVG

TYPE

WORD

40

R50(50,4)

1

PL01

1

R*4

39-138

2

PL02

1

R*4

139-238

3

PL03

1

R*4

239-333

4

EG06

1

R*4

339-438

41

R25(25,17)

1

EB1

1

R*4

439-488

2

EB1 alt

1

R*4

489-538

3

EB2

1

R*4

539-588

4

EB2 alt

1

R*4

589-638

5

EB3

1

R*4

639-688

6

EB3 alt

1

R*4

689-738

7

EB4

1

R*4

739-788

8

EB4 alt

1

R*4

789-838

9

EG06

2

R*4

839-888

10

EG07

1

R*4

889-938

11

EG08

1

R*4

939-988

12

EG09

1

R*4

989-1038

13

32

1

R*4

1039-1088

14

31

1

R*4

1089-1138

15

39

1

R*4

1139-1188

16

33

1

R*4

1189-1238

17

EB05-EB'5

1

R*4

1239-1288

42

R10(10,7)

1

PL04

1

R*4

1289-1308

2

PL08

1

R*4

1309-1328

3

1

1

R*4

1329-1348

4

10

1

R*4

1349-1368

5

16

1

R*4

1369-1388

6

3

1

R*4

1389-1408

7

44

1

R*4

1409-1428

43

R5(5,31)

1

PL01

10

R*4

1429-1438

2

PL02

10

R*4

1439-1448

3

PL03

10

R*4

1449-1458

4

PL04

2

R*4

1459-1468

5

PL05

1

R*4

1469-1478

6

PL06

1

R*4

1479-1488

7

PL07

1

R*4

1489-1498

8

PL08

2

R*4

1499-1508

9

32

5

R*4

1509-1518

10

1

2

R*4

1519-1528

11

10

2

R*4

1529-1538

12

11

1

R*4

1539-1548

13

16

2

R*4

1549-1558

14

23

1

R*4

1559-1568

15

27

1

R*4

1569-1578

16

31

5

R*4

1579-1588

17

39

5

R*4

1589-1598

18

33

5

R*4

1599-1608

19

3

2

R*4

1609-1618

20

4

1

R*4

1619-1628

21

12

1

R*4

1629-1638

22

13

1

R*4

1639-1648

23

17

1

R*4

1649-1658

43

R5(5,31)

24

24

1

R*4

1659-1668

25

28

1

R*4

1669-1678

26

38

1

R*4

1679-1688

27

35

1

R*4

1689-1698

28

41(ALAR)

1

R*4

1699-1708

29

45

1

R*4

1709-1718

30

42

1

R*4

1719-1728

31

42 alt

1

R*4

1729-1738

44

R2(2,14)

1

34

1

R*4

1739-1742

2

5

1

R*4

1743-1746

3

14

1

R*4

1747-1750

4

18

1

R*4

1751-1754

5

6

1

R*4

1755-1758

6

7

1

R*4

1759-1762

7

19

1

R*4

1763-1766

8

25

1

R*4

1767-1770

9

36

1

R*4

1771-1774

10

8

1

R*4

1775-1778

11

9

1

R*4

1779-1782

12

43

1

R*4

1783-1786

13

46 D1F1

1

R*4

1787-1790

14

47 D1F2

1

R*4

1791-1794

45

R1(10)

1

AL01

1

R*4

1795-1796

2

AL02

1

R*4

1797-1798

3

15

1

R*4

1799-1800

4

20

1

R*4

1801-1802

5

29

1

R*4

1803-1804

6

21

1

R*4

1805-1806

7

22

1

R*4

1807-1808

8

26

1

R*4

1809-1810

9

30

1

R*4

1811-1812

10

37

1

R*4

1813-1814

46

N50(50,4)

Data quality Words for R50(50,4)

I*2

1815-2014

47

N25(25,17)

Data quality Words for R25(25,17)

I*2

2015-2439

48

N10(10,7)

Data quality Words for R10(10,7)

I*2

2440-2509

49

N5(5,31)

Data quality Words for R5(5,31)

I*2

2510-2664

50

N2(2,14)

Data quality Words for R2(2,14)

I*2

2665-2692

51

N1(10)

Data quality Words for R1(10)

I*2

2693-2702