HF
PRC-150
PRC-160
COMSEC
Recap
Misc.
100

The acronym ALE.

What is Automatic Link Establishment?

100

The four modes of operation featured on the AN/PRC-150.

What are FIX, HOP, ALE, 3G?

100

Supplied one per manpack, this collapsible whip antenna kit works 1.5–60 MHz at 20 watts for ground wave comms.

What is the OE-505?

100

This key encrypts operational voice and data on a secure net.

What is the TEK (Traffic Encryption Key)?

100

This is what SINCGARS stands for.

What is Single Channel Ground and Airborne System?

100

This 2023 blockbuster paired up with Oppenheimer for a double-feature phenomenon.

What is Barbie ("Barbenheimer")?

200

These are the two principal paths by which radio waves travel from a transmitter to a receiver.

What are ground wave and sky wave?

200

When you program a FIX preset and enter the RX frequency, this frequency automatically matches it.

What is the TX frequency?

200

This component of a HF radio is automatically tuned the first time you key the mic.

What is the internal coupler?

200

Split from its device, it's deliberately useless.

What is the CIK (Cryptographic Ignition Key)?

200

This is the frequency range for VHF.

What is 30-300 (224.999) MHz?

200

This is the only U.S. state that borders exactly one other state.

What is Maine?

300

These four ionospheric layers are the ones used for HF communications.

What are D, E, F1, and F2?


300

For modulation, you pick USB for this band and FM for this one.

What are HF and VHF?

300

CT, PT, and CC are the three options shown in this display field.

What is the Keypad Display Unit (KDU) screen?

300

AN/PYQ-10.

What is a SKL (Simple Key Loader)?

300

On the antenna kit, this color pair tells you which components are lower versus upper.

What are blue and red?

300

This is the smallest country in the world.

What is Vatican City?

400

The acronym BLOS.

What is Beyond Line-of-Sight?

400

In the Built-In-Test menu, choosing this option tests the entire radio at once.

What is SYSTEM?

400

To start building a new FIX preset, you press this key then go to SYSTEM PRESETS.

What is [8/PGM]?

400

Where the COMSEC Custodian sits.

What is brigade?

400

It connects the transmission line to the antenna elements and transfers RF energy — but being passive, it neither generates nor amplifies signal.

What is the feed cone?

400

This is the real first name of the hero Star-Lord, leader of the Guardians of the Galaxy.

What is Peter (Quill)?

500

This acronym names the technique of bouncing HF signals nearly straight up to reach close-in stations behind terrain.

What is Near Vertical Incidence Skywave (NVIS)?

500

In HF-SSB modes, these are the three operator-selectable transmit power levels in watts.

What are 1, 5, or 20 watts?

500

On the radio's front panel, this is the connector labeled J1.

What is the audio connector?

500

The five lifecycle stages, in order.

What are Generate, Distribute, Store, Use, Destroy?

500

Keeping transmissions short, thinking before keying, and relocating after long transmissions all guard against this threat.

What is EW (electronic warfare)?

500

This is the main equipment Ghostbuster's used to zap ghosts.

What is a proton pack?

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