The journey begins at λ = 550 nm, where covert signals scatter.
Transmission Constants:
Today's mission, should you choose to accept, involves locating the optical node at precise coordinates:
48.8566 N, 2.3522 E
(Decrypt to reveal Paris' clandestine rendezvous)
Deciphering light into silence requires patience:
Remember, wavelengths hide in plain sight.
Your next challenge awaits in the following depths: