Here is a resend of the message which got chopped off. This time I put a 0 in front of each period and hopefully that will solved the problem. Ron Hepler wrote: > > I'll try again. Hopefully no periods to start lines. > > > AnthonyMarsh wrote: > > > > > > I'm really surprised that you could buy into the "collar was so tight" > > > > concept. Perhaps JFK was not really hit in the throat...he was really > > > > begging Jackie to unbutton his shirt collar because it was so tight? > > > > > > > > > > > > > >You seem to be talking about an additional gunman in the front. The one > > > > >found by the HSCA acoustical analysis fired only one shot and his > > > > >position was pinpointed as about 9 feet west of the corner of the fence. > > > > >If you accept that acoustical analysis, then you MUST accept that > > > > >analysis which showed that three shots were fired from the TSBD sniper's > > > > >nest. > > > > > > > > We've been through this before...the acoustics were able to indicate that > > > > shots came from the rear in the AREA of the 6th floor southeast corner > > > > window of the TSBD. > > > * > > > No, the shots did not just come from an area generally near the sniper's > > > nest. The acoustical analysis showed that the shots came from anywhere > > > within a few feet of the test shooter location in the sniper's nest. > > > Further analysis using the W&A method on the other shots pinpoints the > > > location of the rifle for all three shots as being within a couple of > > > feet of the test shooter's location. Not the Dal-Tex because it was near > > > the TSBD. Not the roof, because it was near the sniper's nest. From and > > > only from the sniper's nest. Additional shots not analyzed, maybe. > > > Tony, > I believe the The Accoustic analysis for the most part, but I don't know > how you can, assign such pecision to the locations. For example, lets > compare the first shot assigned to the TSBD with the third shot assigned > to the knoll. > > The correlation coefficient for the first was 0.8 & 0.7 for one mike > channel > and 0.8 for another for the TSBD, but also 0.7 on the 2nd mike channel > for > the Knoll. > > The third shot, the Knoll gets a 0.8 on one channel while the TSBD > scores > a 0.7 on a second and third channels. > > 80% correlationb is not exactly pin-point accuracy. Especially when the > differential is only 10% between such divergent locations. So I believe > that the 0.8 corelation would likely ecompass the TSBD roof and the > Dal-Tex > 2nd floor. > > Ron > > -- > "It is certain that True Goodness is a real threat to those at the > opposite end of the Moral Spectrum." > Earl Charles Spencer It really doesn't matter for our discussions, but the difference between 0.7 and 0.8 may not be exactly 10% as you suggest. Those were rounded off figures. The correlation coefficient for one match might have actually been 7.4 rounded down to 0.7 while the correlation coefficient for the other match might have actually been 7.5 rounded up to 0.8. And there may be technical reasons why you can't simply compared correlation coefficients in terms of percentages. The correlation coefficients are not percentages of probability that the real shooter was within a certain percent of being where the test shooter was. That is a total misread of the study. The correlation coefficient measures the goodness of the fit between sets of impulses. Shooting from other locations will have different sets of impluses and you would not get the same goodness of matches, except for false alarms. The design limitations allowed for a certain amount of false alarms. And about 1/2 of the matches were labelled as false alarms. Some people have suggested that the only way to check for different shooter locations, and they criticise the HSCA for not doing so, is to redo the tests and fire from many locations. This is not necessary. All that is necessary is to apply the W&A method to other hypothesized shooter locations. But we need access to the raw data to do so properly. And I can do so with the limited data I have been able to glean from public sources. And I could easily do so if anyone has coordinates to suggest for a possible shooter. Anyone can do it by hand, or a really intelligence, handsome, and magnanimous person could do it on a computer. ;]> Anthony Marsh The Puzzle Palace http://www.anaserve.com/~puzzlepalace/