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
*Since official launch
September 5, 1977, 12:56:00:00 UTC
VOYAGER 2 ELAPSED TIME
*Since official launch
August 20, 1977, 14:29:00:00 UTC
QUICK FACTS
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.