List of All 15 Correlations Between Impulse Patterns Occurring in 6 Segments of the DPD Record and Echo Patterns from 432 Test Shots (2592 Separate Correlations) Having a Correlation Coefficient Higher than 0.5

Beginning Time of
First impulse on
Tape Segments
Microphone Array
and
(Channel Numbers)
Rifle
Location
Target
Location
Correlation
Coefficient**
136.20 secNo CorrelationsHigher Than...0.5
137.70 sec2(5)TSBD*10.8
"2(5)TSBD*30.7
"2(6)TSBD30.8
"2(6)KNOLL40.7
139.27 sec2(6)TSBD*30.8
"2(6)TSBD30.6
"2(10)TSBD30.6
140.32 sec2(11)TSBD*30.6
139.27 sec3(5)KNOLL30.6
145.15 sec3(4)KNOLL30.8
"3(7)TSBD*20.7
"3(8)TSBD30.7
145.61 sec3(5)TSBD30.8
"3(6)TSBD40.8
"3(8)TSBD*20.7
146.30 secNo CorrelationsHigher Than...0.5

* Indicates Muzzle Withdrawn 2 ft from Plane of Window

** Correlation coefficient = number of experienced Matches with Impulses divided by the square root of the number of echoes X Number of impulses is Less than or equal to 1.0