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III. Required National EAS Test (47 CFR § 11.61(a)(3))
EAS Event Code: National Periodic Test (NPT)
All facilities are required to immediately relay the National EAS Test, using the
National Periodic Test (NPT) code.
The Nationwide EAS Test is received by our EAS unit from sources outside our
facility. It is generated by Federal officials.
What do I need to do if I am the operator on duty? (check one)
At this facility, NPTs are relayed automatically, with no operator intervention.
- OR -
At this facility, the operator on duty is required to perform the following steps
to relay an NPT:
• Step 1: _______________________________________________________
• Step 2: _______________________________________________________
• Step 3: _______________________________________________________
• Three short data bursts indicate that the End of Message (EOM) code has
been received, and that the test is over.
What does the NPT sound like?
The NPT consists of the EAS Header Code (three long EAS data bursts), the EAS
Attention Signal (an 8 to 25 second tone), the test script (an audio message), and
the EOM code (three short EAS data bursts). The NPT has a built-in two-minute
time limit.
What if I am the operator on duty and have a problem?
If the NPT test does not run, NEVER try to originate one yourself. Instead, note in
detail what happened and report the issue to the individual responsible for EAS
operations at this facility.
For guidance on resolving problems, see the Recovery Procedures section at the
back of this Handbook.