sorry, my knowledge with riffles is very limited, once again if you give me the height of the riffle and the height of the fence in absolute numbers (including the 2 foot floor level difference (AGR building 1335, Fence 1337) then I would be glad to look at it again.
You convinced me shots 1-3 came from the vent to right of window 3. Window 3 may have been used as a spotter location, though.
The changing appearance of the center window in the Stewart video is puzzling to be sure. That window shows so much more variation than the other windows, but when I compare the Stewart video with āboosted copsā video I do see some of the difference is from reflections. If the red in the window is a reflection, the red piece of farm equipment would be the likelier candidate for the source of the reflection - but Iām dubious.
As offtheback pointed out, the audio of the boosted copās dash cam is clearly faked as far as the bullet sounds go, so we can probably assume any incriminating evidence would have been scrubbed from any videos that have been in the hands of the police or FBI.
Well, think of it this way, imagine how small the vent is? You can place that same size in any portion of the 3rd window, preferably across the top.
A sniper absolutely could position themselves that high if they have free reign of the room to plan and setup.
Itās no different than them climbing into a ceiling.
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No, I donāt have any mathy programs that might help me with that. Iām just using a DAW, like for making techno.
Yes, I agree, your analysis is theoretically possible, comparing to people still talking about shots from the water tower and other placesā¦ I donāt want to discredit your hypothesis; therefore, you have convinced me to keep it into the yellow zoneā¦ our hypothesis from the vent and your hypothesis from the upper window are so close, which makes me think we are very close to finding out what really happenedā¦
Together we are strong!
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If you can export the raw data (into .csv file), you can use excel to calculate.
Do you know if Google Sheets has the functionality?
Iām off and on busy, but when I have the chance, hopefully this weekend, Iāll post a reply with what I used for my rough estimates.
Hopefully someone from the congressional committee, or Representatives Eli Crane and Cory Mills will be able to try to reproduce the sound of the shots from the roof of the AGR building.
I agree with offthebackās questions about this analysis. When shots 1-3 and 4-8 sound totally different and have different snick-boom times, AND backtracing bullet one leads to the vent, I still lean toward the vent for shots 1-3.
Sorry, I donāt mean importing a CSV. I mean, does it have the weird autocorrelation calculation stuff? How about if I give you a CSV with sample data from the WAVs?
Sample Usage
CORREL(A2:A100,B2:B100)
Actually Iām looking for the audio file to check it myself.
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Itās this video. Just download it and extract the critical audio with ffmpeg like I mentioned.
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If Iām wrong my alma mater may come yank one or both my math degrees from me, but I think your calculations as to the initial velocities here are wrong. If you are using the following formula I pulled from your video:
You are only using the velocity of the bullet at the time its sound is recorded. I think the second factor in that equation should be using the average velocity (Using the average would be simplifying a more complex factor).
I got an average velocity of 2900 fps with a .220 snick-boom time, 420 foot distance and 1150 speed of sound. If one assumes the average velocity is 94% of muzzle velocity, then muzzle velocity is 3085 fps.
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this is so trueā¦
this makes me so sad:
- hereby you prove again that you have no idea how to use any tool to calculate these things yourself
- and you also prove that you are IGNORING all inputs with regards to the elevations of AGR building 6 and the fence height and seem to be using the floor levels of 884-3 rather than 884-5.
AGR #6 is set in an depression and you have to calculate the rise of the ground from there to the fence line and add the difference, to the height of the fence vs the window height.
a couple of supporting images from Garyās video:
and based on drone footage that has been independently made (on the same day as Garyās survey) by RoughCountryGypsy:
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Hi Sgt Raven,
Yes, of which I did, see below. The AGR is at 1335 and the position of the fence is at 1337. Which gives you an offset of 2 feetā¦
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This is the first time I think Iāve posted in this group which has done incredible work and to be honest is for the most part āover my head.ā
I wanted to get the groupsā opinion of the following:
I watched a video of Gary at Paramount tactical that apparently has used drone capabilities to exactly map the height of the rooftop where the shooter was and accurately estimated where president Trumpās head was. Heās concluded, basically that the line of fire is almost direct; that is Trumpās head was the same distance above sea level as the shooter rifle barrel.
My understanding is heās working with a 3D company that will āexactlyā (hopefully) Re-create the bleacher setting as well. Would it then be just as easy as saying OK based on where the railing is hit by that first (or second) bullet, It is highly likely, somewhat likely, or certainly not likely, that that bullet was fired from the shooterās position on the roof peak as compared, for example, from a position much lower than the shooter-For example, in a vent or a window of AGR 6?
That sounds right to me with the only variable being as I understand it, listening to Gary, that itās possible that the bullet might still be rising as it passes Trumpās head. How much itās rising and, therefore, where it might land at the railing, depends on the velocity of bullet I assume. As Gary is the one thatās put forth this proposition that the bullet is still rising as it passes President Trumpās head, I assume he will correct for that variable
Can you all give me some comments about this and whether you think it might accurately establish where that first shot or two came from
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