Communications Safety and Systems Review

Vocabulary practice flashcards covering safety procedures, RF spectrum ranges, atmospheric layers, satellite operations, COMSEC tiers, and communication hardware.

Symptoms of Electroshock

Blue skin, Rigid Body, and Unconsciousness.

Factors of Shock Severity

Time, Resistance, Severity Amount, and Path.

Red Tag

A tag indicating DO NOT Touch.

Yellow Tag

A tag signifying Precaution.

Purple Tag

A tag used for equipment that is out of Calibration or out of commission.

Shock Mitigation Methods

Isolate, insulate, and grounding.

EHF Range

Extremely High Frequency ranging from $30-300\,GHz$.

SHF Range

Super High Frequency ranging from $3-30\,GHz$ used for SATCOM.

UHF Range

Ultra High Frequency ranging from $300\,MHz-3\,GHz$.

VHF Range

Very High Frequency ranging from $30-300\,MHz$.

HF Range

High Frequency ranging from $3-30\,MHz$ used for Long Range and BLOS.

BLOS

Acronym for Beyond Line of Sight.

Cycle

One complete wave.

Velocity

Speed, specifically $186,000\,mph$ as noted in these materials.

EMCON

Emission Control, or shielding from enemy (Stand By!).

Working ALOFT Requirements

CHIT, $2$ people with harness, and PPE.

Troposphere

The layer of the atmosphere where weather occurs.

Stratosphere

The layer of the atmosphere described as constant.

Ionosphere

The layer responsible for UV interaction, overpowering waves, and Bending & Refraction.

Movement of Propagation

Includes Reflection and Refraction.

LUF

Lowest Usable Frequency.

MUF

Maximum Usable Frequency.

FOT

Frequency of Optimal Transmission.

SATCOM Segments

Ground ($2$ pts, you, Ship), Space (satellite), and Control (who's controlling it).

XO (Executive Officer)

The individual in charge and responsible for $3M$ schedules including Cycle, quarterly, and weekly.

WCS

Work Center Sup; responsible for identification and location within the workspace.

RPPO

Repair Parts Petty Officer.

Active Satellite

A satellite that looks for signals, processes, and sends them back; faster than passive.

Passive Satellite

A satellite used for Reflection only.

HEO

Highly Elliptical Orbit, specifically used for Polar Regions.

EHF Satellite Life Expectancy

$\sim 14\,\text{years}$.

Tier 0 (NCMS)

The Central Facility for COMSEC.

Tier 1

The level responsible for Key Regeneration.

Tier 2

The level consisting of COMSEC Managers.

Tier 3

The level consisting of Local elements.

Hard Copy DAL Codes

Codes $1$, $2$, and $4$.

Electronic DAL Codes

Codes $6$ and $7$.

OTARI

Over The Air Rekeying.

OTAD

Over The Air Transfer; instruction is DO NOT UNPLUG.

NAG-16F

The document that governs OTARI and OTAD.

Crypto Fill Devices

Instruments such as SKL and TKL.

CONAUTH

Control Authority; the entity in charge of keys.

DIRNSA

Director of NSA.

Regular Supersession

Supersession occurring on a specific date.

Irregular Supersession

Supersession that is not predetermined.

Emergency Supersession

An unplanned supersession.

KY-58 Modes of OPS

This device has $4$ modes of operation.

KY-58M Modes of OPS

This device has $5$ modes of operation.

SB-4124/WSC

A Patch Panel used for Red or Black patching.

SA-2112 Red

Used for Voice only.

SA-2112 SAS

Used for both Voice and Data.

IAD

International Air Distress frequency at $121.5\,MHz$.

MAD

Military Air Distress frequency at $243.0\,MHz$.