2 ms·
The attention tone is for human consumption. The SAME header (the "chirps" of FSK-encoded data that precede the attention tone in an EAS broadcast) is the machi
by throwanem 4y ago
The attention tone is for human consumption. The SAME header (the "chirps" of FSK-encoded data that precede the attention tone in an EAS broadcast) is the machine-readable part, and what will activate EAS receivers and cause broadcast interruptions in downstream stations.