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Originally posted by: neutronflux
Originally posted by: Jason88
A reply to: samkent
Sam - what are your thoughts on the persistence of LaBTop? As in the years and time he has put into his effort. Thanks.
neutronflux : Yet no effort to conjure credible research for a peer review paper.The Open Chemical Physics Journal is a great and ethical group for impartial peer review!
Dr. Rousseau : CONCLUSION
Near the times of the planes' impacts into the Twin Towers and during their collapses, as well as during the collapse of WTC7, seismic waves were generated. To the degree that (1) seismic waves are created only by brief impulses and (2) low frequencies are associated with energy of a magnitude that is comparable to a seismic event, the waves recorded at Palisades and analyzed by LDEO undeniably have an explosive origin.
Even if the planes' impacts and the fall of the debris from the Towers onto the ground could have generated seismic waves, their magnitude would have been insufficient to be recorded 34 km away and should have been very similar in the two cases to one another.
As we have shown, they were not.
The types and magnitudes of the seismic signals show significant differences.
The greatest differences occur in their propagation speeds, even though their paths were essentially identical under identical conditions. This difference is physically unexplained in the interpretation of the events offered by the LDEO researchers, the 9/11 Commission and NIST.
Therefore, we must question their calculations of wave propagation speeds based on their assumption that the wave origins are shown on the video images of impacts and collapses.
We can only conclude that the wave sources were independently detonated explosives at other times, thus accounting for the variable discrepancies for each wave origin in relation to the videos.
The composition of the waves is revealing both in terms of the location of the source and the magnitude of the energy transmitted to the ground. The subterranean origin of the waves emitted when WTC1 collapsed is attested by the presence of the P and S body waves along with the Rayleigh surface waves.
The placement of the source of the four other explosions is sub-aerial, attested by the unique presence of only Rayleigh waves.
The aerial explosions visible on the videos of the upper floors of the Twin Towers do not produce seismic waves 34 km from the source.
There is a factor of ten between the power of the explosions at the time of the plane impacts on the Twin Towers (as well as at the time of the collapse of WTC7) and the strength of those more powerful explosions at the times of their collapses, the subterranean explosion under WTC1 being the one that transmitted the most energy to the ground.
Note that in accordance with the degree of dispersion of the surface waves (i.e., their speeds depend upon their frequencies), the duration of the recorded signal is not representative of the duration of the signal at the source.
Finally, controlled demolition of the three towers, suggested by the visual and audio witness testimony as well as by observations of video recordings of their collapses, is thus confirmed and demonstrated by analysis of the seismic waves emitted near the time of the plane impacts and at the moments of the collapses.
originally posted by: samkent
a reply to: LaBTop
My compacting of them, in my last post and in my screenshots, is however by far enough to understand them.
What qualifies you as an expert in seismology ?
You didn't even know your time stamps rely on the few atomic clocks in the USA which are ran by the NIST or the government. You have to rely on NIST or government info. Hypocrite.
Still waiting on proof how field cameras and TV networks utilized what you implied were their own atomic clocks
Calling members a hypocrite is frowned upon here, in this special forum.
Please refrain from insults, I know the drill, from time to time some seemingly newbie comes along and tries to enrage me.
-- For a broadcast video that was filmed in real time, the timing of every clip in the video, except for replays, could be set from knowing the time at a single point.
Checks with several broadcasters indicated that the bugs should be quite close to the actual time because the clocks used as sources for the bugs (LT : bug = current time imprinted on the screen) are regularly updated from highly accurate sources such as geopositioning satellites or the precise atomic-clock-based timing signals provided by NIST as a public service. Careful checks showed small time differences between different video recordings, but these were generally less than 1 s.
These small discrepancies were likely due to variations in transmission times resulting from the different pathways that the video signals took to the sites where they were recorded.
So the field camera films live, sends to the news van, then van sends to the network, then the network time stamps with government ran atomic clocks.
Lots of network lag time.
still no proof the network time stamp with certified lab accuracy. There is no proof the video is synchronized with the seismographs time. Sry.
I for one don't believe you have any qualifications in the field of seismology.
So anything you post on here is your speculation from a layman's point of view.
originally posted by: samkent
a reply to: LaBTop
Calling members a hypocrite is frowned upon here, in this special forum.
Please refrain from insults, I know the drill, from time to time some seemingly newbie comes along and tries to enrage me.
I don't think anyone on here is trying to enrage you.
They just don't accept your conclusions.
I for one don't believe you have any qualifications in the field of seismology.
So anything you post on here is your speculation from a layman's point of view.
Just asked how network news in 2001 professionally had their times set on their field cameras to ensure they had the correct time. There is a process in science and industry to ensure equipment that measures is calibrated accurately and periodically.