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Two independent research teams have discovered matching underground structures beneath Egypt's Giza plateau, extending over 1.2 kilometers deep, deeper than three Empire State Buildings stacked.

In this groundbreaking investigation, satellite radar physicist Filippo Biondi and field researcher Trevor Grassi reveal how their completely different methodologies independently verified the same massive underground network beneath the pyramids and Sphinx.

? MAJOR REVELATIONS:
- Synthetic aperture radar (SAR) technology detects structures 1,200 meters deep
- Independent confirmation from ground-penetrating radar matching satellite findings
- Three different satellite systems (Capella Space, COSMO-SkyMed, Umbra) showing identical features
- Spiral shafts descending over a kilometer beneath the plateau
- Why Zahi Hawass withdrew from the Dubai conference after these findings
- The physics behind "space-based vibrometry" explained by a former F-16 pilot

?️ TECHNICAL DEEP DIVES:
- How satellites create 70-100km wide synthetic apertures for underground imaging
- Laboratory proof-of-concept using water vibrations
- Why this open-source method could revolutionize archaeology
- Peer review paper status and upcoming validations

? TIMESTAMPS:
00:00:00 Cold Open & Introduction - Independent Teams Find Same Features
00:04:34 The Discovery - How Trevor Connected the Dots
00:12:41 SAR Technology Explained - From Laser Vibrometry to Space
00:20:48 Laboratory Proof - From Garage Experiment to Satellite Validation
00:30:48 Ground Confirmations - Matching 20 Years of Field Research
00:38:17 The Evidence - Spiral Shafts and Deep Structures Revealed
00:51:36 Campbell's Tomb Goes 1,200 Meters Deep
01:00:16 Future Applications - Mining, Oil, and Archaeological Sites
01:08:00 The Zahi Hawass Situation & Competition for Permits
01:21:52 What's at Stake - Humanity's Hidden Heritage
01:30:56 How to Support & Next Steps for the Research

? CONNECT WITH THE RESEARCHERS:
Contact for collaborations: Trevor on X @opusmagnum.org, Kahfre Project Team: [email protected]
Or LehtoFiles @ [email protected]
Global Pyramid Conference: September 26-30, 2025, Chicago
GDX Dubai: https://www.galacticdiscoveriesxchange.com/

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#GizaPyramids #SARTechnology #FilippoBiondi #TrevorGrassi #UndergroundChambers #SatelliteArchaeology #SyntheticApertureRadar #CofferProject #SpaceArchaeology #AncientEgypt #PyramidMysteries #ArchaeologicalBreakthrough #PeerReview #OpenSourceArchaeology #VibrationalAnalysis

Chris Lehto is a former F-16 pilot with 18 years of experience in the Air Force. He managed multi-million dollar simulator contracts, was an Electronic Attack SME for the Aggressors (OPFOR), and commanded the US Detachment at TLP for NATO Fighter Pilot Training. Chris fought in Iraq for 5 months in 2006. He spent 3 years in Turkey as an exchange pilot and is fluent in Turkish. Chris is also a certified crash safety investigator, having investigated Air Force accidents for four years. Lehto has a Bachelor of Science in Chemistry-Materials Science from the Air Force Academy and a Master's in Aeronautical Science from Embry-Riddle University. He was stationed in various locations worldwide, including South Korea, Italy, Alaska, Turkey, and Spain.

Lehto's YouTube channel, "Lehto Files," focuses on Unidentified Aerial Phenomena (UAP) research, future tech insights, and sharing knowledge. His approach is scientific and aims to illuminate these phenomena and provide informative content. He also shares his expertise on aviation safety and accident analysis. Lehto believes in the power of open dialogue and the importance of a censorship-free internet.

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