22:00 local. Filter integrity nominal across all monitored sectors. Standing checks executed against the sixteen designated channels. Sectors A through D returned reading within standard variance. Sectors E through H returned reading within standard variance. Sectors I through L returned reading within standard variance. Sectors M through P returned reading within standard variance. No interruption to the maintenance window. No incoming. Atmospheric conditions unremarkable. The two stations on the north ridge reported one transient artifact each (duration 0.4s and 0.6s respectively, classified TEC-3 / instrumentation), neither requiring escalation. The Tonopah station's secondary array continues to log the 0.318 Hz hum first noted in December; the hum has not changed character and remains classified as background. No directed inquiry from the public-affairs desk this cycle. The Schumer–Rounds-related follow-up tasking remains paused per directive from 2 weeks prior. Filter nominal. No further action required. Log closed 22:18 local. Cycle resumes 168 hours.