Voyager In Space

 

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VOYAGER
 

Voyager LECP Data Analysis Handbook

 

Calibrations and Channel Definitions

 

February 5, 1979 
α Channel

 

100 keV into a test input from Random Pulser.

 

Read out on α1-1 discriminator.

 

Input Rate Output Rate
526 cps 525
1433 1429
12713 12393
20593 19808
36700 34500
55100 49900
90000 74300
135000 103000
178000 125000
220000 143000
300000 169000
404000 190000
647000 214000

 

Figure:  Feb. 5, 1979, LECP SN02, α1-1 Disc. Output, Random Pulser Inputs, ~100 keV, Synchronous

 

 

r = 150 K 
R = 233 K 
T = (233-150) / 233(153) = 2.37 μs

 

R 1+RT r (calc) r (act)
20000 1.0474 19100 19.1
40000 1.095 36500 37
80000 1.190 67200 68
150000 1.36 110000 110
250000 1.59 157000 155
500000 2.185 229000 201
600000 2.422 248000 210

 

τ = R-r / Rr = 3.09 μs

 

R r(calc)
τ
 = 3.09 μs
20 K 18.8
40 K 35.6
80 K 64.1
150 K 102
250 K 141
500 K 196

 

α Channel Source Test - Feb. 22, 1979

 

10 mc Sr50 source from GSFC, thru G-10 cover (1/64")
A0 Read out 201 K max; could not see rollover;
A1 Read out 190 K max; could not see rollover.

 

  

Return to Calibrations main page.

Return to Voyager LECP Data Analysis Handbook Table of Contents.
Return to Fundamental Technologies Home Page.


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.