VOYAGER
Voyager LECP Data Analysis Handbook
Calibrations and Channel Definitions
Command Words
| Command | LECP State |
| 4220 | Full motor scan. Six sec. step rate. |
| 2576 | High bias. LEMPA A, B, δ, δ', α, β, β' on; D5 off. |
| 1720 | LEPT D4, D3, D2, D1c, D1a on. LEPT D1b and Antis off. |
| 7073 | D1 disc. high. α, β, β' disc. low. PHA on. Calibrator off. LEPT/LEMPA alt. mode. |
| 7001 | D1 disc. high. High α, β, β' disc. levels. PHA off. Calibrator off. Near Enc. mode. |
| 7072 | D1 disc. high. Low α, β, β' disc. levels. PHA on. Calibrator off. Far Enc. mode. |
| 2616 | High bias. LEMPA γ, β, β', α on. LEPT D5 off. LEMPA A, B, δ, δ' off. |
| 3217 | Low bias. LEMPA γ, β, β', α on. LEPT D5 on. LEMPA A, B, δ, δ' off. |
| 1777 | LEPT D1a, D1b, D1c, D2, D3, D4, D5 on. Antis on. |
| 4200 | Full motor scan. Six min. step rate. |
| SC25AN-1 | Flight data system Near Encounter mode. |
| SC25AN-0 | Flight data system Far Encounter mode. |
| 4220 | Full motor scan. Six sec. step rate. |
| 2576 | High bias. LEMPA A, B, δ, δ', α, β, β' on. D5 off. |
| 1720 | LEPT D4, D3, D2, D1c, D1a on. LEPT D1b and Antis off. |
| 7073 | D1 disc. high. α, β, β' disc. low. PHA on. Calibrator off. LEPT/LEMPA alt. mode. |
| 7001 | D1 disc. high. High α, β, β' disc. levels. PHA off. Calibrator off. Near Enc. mode. |
| 7072 | D1 disc. high. Low α, β, β' disc. levels. PHA on. Calibrator off. Far Enc. mode. |
| 2616 | High bias. LEMPA γ, β, β', α on. LEPT D5 off. LEMPA A, B, δ, δ' off. |
| 3217 | Low bias. LEMPA γ, β, β', α on. LEPT D5 on. LEMPA A, B, δ, δ' off. |
| 1777 | LEPT D1a, D1b, D1c, D2, D3, D4, D5 on. Antis on. |
| 4200 | Full motor scan. Six min. step rate. |
| SC25AN-1 | Flight data system, Near Encounter mode. |
| SC25AN-0 | Flight data system, Far Encounter mode. |
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LECP Data Analysis Handbook Table of Contents.
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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
*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
*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.
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.