How fighter jets lock on, and how the targets know (2014)
It is rumored the French OTH-Radar Nostradamus
can clearly see all current stealth airplanes.<p><a href="https://ieeexplore.ieee.org/document/1631867" rel="nofollow">https://ieeexplore.ieee.org/document/1631867</a><p><a href="https://www.researchgate.net/profile/Jp-Molinie/publication/4242754_A_general_presentation_about_the_OTH-Radar_NOSTRADAMUS/links/00b49526aedda98125000000/A-general-presentation-about-the-OTH-Radar-NOSTRADAMUS.pdf" rel="nofollow">https://www.researchgate.net/profile/Jp-Molinie/publication/...</a>