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VOYAGER

Voyager LECP Data Analysis Handbook

 

Data File Descriptions

 

Experiment Data Record (EDR) Format Specification

 

From Document 618-306, Revision D - selected tables:

 

Table 3.3-1. LECP Science Record Subheader Block Table (GS,OC-1)


Item Word Bits Description
* * * * Far Encounter & Cruise Modes *
1 1 31-16 Command word, Subcom JF 32
2 1 15-0 LECP Status Word 5, MF 36
3 2 31-16 LECP Status Word 6, MF 36
4 2 15-0 LECP Status Word 1, MF 40
5 3 31-16 LECP Status Word 2, MF 40
6 4 15-0 LECP Status Word 3, MF 40
7 4 31-16 LECP Status Word 4, MF 40
8 4 15-0 LECP Status Word 5, MF 76
9 5 31-16 LECP Status Word 6, MF 76
10 5 15-0 LECP Status Word 1, MF 80
11 6 31-16 LECP Status Word 2, MF 80
12 6 15-0 LECP Status Word 3, MF 80
13 7 31-16 LECP Status Word 4, MF 80
14 7 15-0 Command Word, Subcom MF 72
15 8 31-16 Spare
16 8 15-0 Spare
* * * * Near Encounter Mode *
1 1 31-16 Command Word, Subcom JF 32
2 1 15-0 Spare
3 2 31-0 Spare
4 3 31-0 Spare
5 4 31-0 Spare
6 5 31-0 Spare
7 6 31-0 Spare
8 7 31-16 Spare
9 7 15-0 Command Word, Subcom MF 72
10 8 31-0 Spare

 

 

Table 3.3-2. LECP EDR Science Data Block Table (Far Encounter) (GS,OC-1)

 

Item Word Bits Description
1 1 31-16 R/S G1, MF1, Pa1
2 1 15-0 R/S G1, MF1, Pa2
3 2 31-16 R/S G1, MF1, Pa3
4 2 15-0 R/S G1, MF1, Eb4
5 3 31-16 PHA1, MF1, 1-10
6 3 15-0 PHA1, MF1, 11-20
7 4 31-16 PHA1, MF1, 21-30
8 4 15-0 PHA1, MF1, 31-40
9 5 31-16 R/S G2, MF1, Eb1
10 5 15-0 R/S G2, MF1, Eb2
11 6 31-16 R/S G2, MF1, Eb3
12 6 15-0 R/S G2, MF1, Eg6
13 7 31-16 R/S G3, MF1, 39
14 7 15-0 R/S G3, MF1, 33
15 8 31-16 R/S G3, MF1, 32
16 8 15-0 R/S G3, MF1, Eb5
17 9 31-16 PHA2, MF1, 1-10
18 9 15-0 PHA2, MF1, 11-20
19 10 31-16 PHA2, MF1, 21-30
20 10 15-0 PHA2, MF1, 31-40
21 11 31-16 R/S G4, MF1, Eg7
22 11 15-0 R/S G4, MF1, Eg8
23 12 31-16 R/S G4, MF1, Eg9
24 12 15-0 R/S G4, MF1, 31
25 13 31-16 R/S G4, MF1, Pa1
26 13 15-0 R/S G4, MF1, Pa2
27 14 31-16 R/S G4, MF1, Pa3
28 14 15-0 R/S G4, MF1, Eb4
29 15 31-16 PHA3, MF1, 1-10
30 15 15-0 PHA3, MF1, 11-20
31 16 31-16 PHA3, MF1, 21-30
32 16 15-0 PHA3, MF1, 31-40
33 17 31-16 R/S G2, MF1, Eb1
34 17 15-0 R/S G2, MF1, Eb2
35 18 31-16 R/S G2, MF1, Eb3
36 18 15-0 R/S G2, MF1, Eg6
37 19 31-16 R/S G7, MF2, 11
38 19 15-0 R/S G7, MF2, 23
39 20 31-16 R/S G7, MF2, 27
40 20 15-0 R/S G7, MF2, 4
41 21 31-16 PHA1, MF2, 1-10
42 21 15-0 PHA1, MF2, 11-20
43 22 31-16 PHA1, MF2, 21-30
44 22 15-0 PHA1, MF2, 31-40
: : :

            :
277 139 31-16 R/S G12, MF8, 6
278 139 15-0 R/S G12, MF8, 7
279 140 31-16 R/S G12, MF8, 19
280 140 15-0 R/S G12, MF8, 36
281 141 31-16 PHA3, MF8, 1-10
282 141 15-0 PHA3, MF8, 11-20
283 142 31-16 PHA3, MF8, 21-30
284 142 15-0 PHA3, MF8, 31-40
285 143 31-16 R/S G6, MF8, Pa4
286 143 15-0 R/S G6, MF8, 38
287 144 31-16 R/S G6, MF8, 42
288 144 15-0 R/S G6, MF8, 16
: : :            :
1417 709 31-16 R/S  G1, MF40, Pa1
1418 709 15-0 R/S  G1, MF40, Pa2
1419 710 31-16 R/S  G1, MF40, Pa3
1420 710 15-0 R/S  G1, MF40, Eb4
1421 711 31-16 PHA2, MF40, 1-10
1422 711 15-0 PHA2, MF40, 11-20
1423 712 31-16 PHA2, MF40, 21-30
1424 712 15-0 PHA2, MF40, 31-40
1425 713 31-16 R/S  G2, MF40, Eb1
1426 713 15-0 R/S  G2, MF40, Eb2
1427 714 31-16 R/S  G2, MF40, Eb3
1428 714 15-0 R/S  G2, MF40, Eg6
1429 715 31-16 R/S G17, MF40, Status 1
1430 715 15-0 R/S G17, MF40, Status 2
1431 716 31-16 R/S G17, MF40, Status 3
1432 716 15-0 R/S G17, MF40, Status 4
1433 717 31-16 PHA3, MF40, 1-10
1434 717 15-0 PHA3, MF40, 11-20
1435 718 31-16 PHA3, MF40, 21-30
1436 718 15-0 PHA3, MF40, 31-40
1437 719 31-16 R/S G6, MF40, Pa4
1438 719 15-0 R/S G6, MF40, 38
1439 720 31-16 R/S G6, MF40, 42
1440 720 15-0 R/S G6, MF40, 16
      This structure is repeated for
MF 41-80 giving a total of
1440 32-bit words.

 

 

Table 3.3-3. LECP EDR Science Data Block Table (Near Encounter) (GS,OC-1)

 

Item Word Bits Description
1 1 31-16 RG1, MF1, Pa1
2 1 15-0 RG1, MF1, Pa2
3 2 31-16 RG1, MF1, Pa3
4 2 15-0 RG1, MF1, Eb4
5 3 31-16 RG2, MF1, Eb1
6 3 15-0 RG2, MF1, Eb2
7 4 31-16 RG2, MF1, Eb3
8 4 15-0 RG2, MF1, Eg6
9 5 31-16 RG3, MF1, Pd9
10 5 15-0 RG3, MF1, Pd10
11 6 31-16 RG3, MF1, Pd11
12 6 15-0 RG3, MF1, Ad3
13 7 31-16 RG4, MF1, Eg7
14 7 15-0 RG4, MF1, Eg8
15 8 31-16 RG4, MF1, Eg9
16 8 15-0 RG4, MF1, Eb5
17 9 31-16 RG5, MF1, PSA3
18 9 15-0 RG5, MF1, PSB3
19 10 31-16 RG5, MF1, PAB12
20 10 15-0 RG5, MF1, PAB13
21 11 31-16 RG6, MF1, Pa4
22 11 15-0 RG6, MF1, Zd1
23 12 31-16 RG6, MF1, EdA0
24 12 15-0 RG6, MF1, EdB0
25 13 31-16 RG1, MF1, Pa1
26 13 15-0 RG1, MF1, Pa2
27 14 31-16 RG1, MF1, Pa3
28 14 15-0 RG1, MF1, Eb4
29 15 31-16 RG2, MF1, Eb1
30 15 15-0 RG2, MF1, Eb2
31 16 31-16 RG2, MF1, Eb3
32 16 15-0 RG2, MF1, Eg6
33 17 31-16 RG3, MF1, Pd9
34 17 15-0 RG3, MF1, Pd10
35 18 31-16 RG3, MF1, Pd11
36 18 15-0 RG3, MF1, Ad3
37 19 31-16 RG4, MF2, Eg7
38 19 15-0 RG4, MF2, Eg8
39 20 31-16 RG4, MF2, Eg9
40 20 15-0 RG4, MF2, Eb5
41 21 31-16 RG7, MF2, PSA1
42 21 15-0 RG7, MF2, PSB1
43 22 31-16 RG7, MF2, PSA2
44 22 15-0 RG7, MF2, PSB2
45 23 31-16 RG9, MF2, EAB10
46 23 15-0 RG9, MF2, Pa5
47 24 31-16 RG9, MF2, Pa6
48 24 15-0 RG9, MF2, Pa7
49 25 31-16 RG1, MF2, Pa1
50 25 15-0 RG1, MF2, Pa2
51 26 31-16 RG1, MF2, Pa3
52 26 15-0 RG1, MF2, Eb4
53 27 31-16 RG2, MF2, Eb1
54 27 15-0 RG2, MF2, Eb2
55 28 31-16 RG2, MF2, Eb3
56 28 15-0 RG2, MF2, Eg6
57 29 31-16 RG3, MF2, Pd9
58 29 15-0 RG3, MF2, Pd10
59 30 31-16 RG3, MF2, Pd11
60 30 15-0 RG3, MF2, Ad3
61 31 31-16 RG4, MF2, Eg7
62 31 15-0 RG4, MF2, Eg8
63 32 31-16 RG4, MF2, Eg9
64 32 15-0 RG4, MF2, Eb5
65 33 31-16 RG15, MF2, Aa1
66 33 15-0 RG15, MF2, Aa2
67 34 31-16 RG15, MF2, Pa8
68 34 15-0 RG15, MF2, Ad4
69 35 31-16 RG17, MF2, Ia
70 35 15-0 RG17, MF2, Ib
71 36 31-16 RG17, MF2, S5
72 36 15-0 RG17, MF2, S5
      Items 1-72 are repeated 8 more
times and are followed by:
649 325 31-16 RG18, MF19
650 325 15-0 RG18, MF19
651 326 31-16 RG18, MF19
652 326 15-0 RG18, MF19
: : :       :
719 360 31-16 RG18, MF20
720 360 15-0 RG18, MF20
      The above structure (items 1-720)
is repeated 3 more times.

 

 

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Updated 8/9/19, Cameron Crane

VOYAGER 1 ELAPSED TIME

--:--:--:--
Days: Hours: Minutes: Seconds

*Since official launch
September 5, 1977, 12:56:00:00 UTC

VOYAGER 2 ELAPSED TIME

--:--:--:--
Days: Hours: Minutes: Seconds

*Since official launch
August 20, 1977, 14:29:00:00 UTC

QUICK FACTS

Manufacturer: Voyagers 1 and 2 were built in the Jet Propulsion Laboratory in Southern California.

Mission Duration: 40+ years have elapsed for both Voyager 1 and Voyager 2 (both are ongoing).

Destination: Their original destinations were Saturn and Jupiter. Their current destination is interstellar space.