While the 1977 "Wow!" signal (6EQUJ5) has been extensively cataloged as an unresolved astrophysical anomaly, standard analysis has largely focused on origin hypotheses rather than signal topology. This paper presents a re-analysis of the raw Signal-to-Noise (SNR) matrix using the Emergent Order Systems (EOS) framework to quantify the event's thermodynamic structure. These metrics characterize the internal structure of a transient independently of its amplitude or origin. By treating the 50-channel receiver output as a dynamic entropy field, we demonstrate a coherence transition from approximately isotropic background noise (H = 3. 52 bits, std = 0. 45 bits) to a low-entropy ordered state (H = 2. 27 bits, zglobal = -2. 77 sigma, zcontrol = -1. 04 sigma). A Spectral Localization Ratio reveals a 3. 75x increase in spectral concentration. Version 1. 1 extends this through empirical null distributions: under tightened six-dimensional joint metric gates, zero reproductions were observed across 60, 000 synthetic injections (three null families, N = 20, 000 each), yielding an empirical upper bound of < 0. 005% (95% UCB ~ 0. 015%). Z-score results are robust under six baseline window configurations (zglobal range: -2. 56 to -2. 87). All findings are presented strictly as a reproducibility bound under defined null models, not as a detection or discovery probability, and not as evidence regarding signal origin.
Cody A Kristenson (Sat,) studied this question.