Uploaded August 2021 | Updated September 2026, 1 hour ago

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Various recordings of the National Periodic Test as it happened on August 11, 2021. Most of the footage here were gathered from local Iowa television stations besides for the very end. (and the DIRECTV bit at the beginning)

Chapters (w/ descriptions):
00:00 DIRECTV
[relayed the test near perfectly, with some audible but minor feedback.]
01:20 KTIV-DT1 (NBC) + KTIV-DT2 (CW)
[audio completely silent other than a few audible tones.]
02:45 KTIV-DT5 (Ion)
[normal programming played while a ticker went across the top of the screen. (before this test happened, a required weekly test aired with no audible tones.)]
03:12 KCAU (ABC)
[similar to the 2018 NPT, there wasn't an audio message or any audible EOM tones. (but hey, at least they actually relayed an alert for once!)]
04:30 KXNE (PBS)
[relayed the test perfectly, other than bleed through from regular programming (which is typically common for this station.)]
05:34 KPTH-DT3 (CBS)
[same result as KTIV.]
06:56 KKMA-FM (EASyPLUS relay)
[same result as KTIV and KPTH.]