How would you document a Necessary Bandwidth of 433,300,000,000Hz?
433G30
What is the definition of Occupied Bandwidth?
The portion of the RF spectrum that contains 99.5% of the total mean power of a given emission.
What Chapter in the NTIA Manual breaks down the meaning of Emission Designators?
NTIA Chapter 9
True / False: Bandwidth is expressed with a maximum of 2 numerals to the left of the letter and 3 decimal places to the right of the letter.
False: Bandwidth is expressed using a maximum of three characters to the left, and two characters to the right of the letter. (ex. 100H10J3E)
True / False: A Radiocommunication Service involves the transmission, emission, and/or reception of radio waves for specific telecommunications purposes.
True
A coast station with a vessel at sea would have a Station class of what?
FC
True / False: Commercial-Off-The-Shelf (COTS) equipment has to go through the same extensive DD-1494 coordination process, even when used for a temporary time span.
False
What is the definition of a Station?
One or more transmitters or receivers, or a combination of transmitters and receivers, including the accessory equipment, necessary at one location for carrying on a radiocommunication, or radio astronomy service.
How is an ISM notified by the MAJCOM of an emitter survey?
By official letter.
Under �Foreign Disclosure Approval�, when are the DD-1494�s be channeled via your service?
When the Foreign Disclosure Office can not make a decision regarding a DD-1494.
When can the abbreviated message format be utilized to request frequencies?
When the requirement will not exceed 90 days.
True / False: Certain SFAF data fields can have more than one entry.
True
True / False: International Telecommunications Union (ITU) frequency assignment records contain power, location, and frequency information; Federal Communications Commission records do not.
False: The FCC records contain the same information as the ITU.
Why are emitter surveys conducted?
To maintain the integrity of a base�s frequency assignments.
To update the POC list.
To provide the customer education on proper use of frequencies.
To provide additional training to the ISM.
Which Electronic Attack is comprised of 7 or more aircraft working as a single unit?
Large Scale Electronic Attack Mission
Who is responsible for area studies, and manages the JSIR program?
JSC
What is the definition of Necessary Bandwidth?
The width of the frequency band just sufficient to ensure the transmission of the information at the rate and with the quality required under specified conditions.
How would you express 226M30 in Hz?
226,300,000
True / False: Occupied Bandwidth contains 99.5% of the total mean power of a given emission.
True
What are the six sections of an Emissions Designator, and which two are optional?
REQUIRED:
Necessary Bandwidth
Type of Modulation
Nature of the signal modulating the main carrier
Type of information
OPTIONAL:
Details of the signal
Nature of Multiplexing
Translate the following: 3K00J3W
3kHz; AM Single sideband, suppressed carrier; Single channel analog; combination voice/data.
True / False: A Station utilizes one or more transmitters or receivers, or a combination of transmitters and receivers, including accessory equipment, necessary at one location for carrying on a radio communication service or radio astronomy?
True
What Station Class would an aircraft in flight communicating with a vehicle in motion use?
MO
If your database contained ALL of the Army�s unclassified frequency assignments, what would the classification of the database be?
Confidential
What category of Electronic Warfare are barrage, sweep, and spot jamming considered, Offensive, or Defensive?
An Electronic Attack
What is required before any DoD organization can procure new equipment?
The equipment muse be certified.
What are the purposes for conducting an emitter survey?
To maintain the integrity of a base�s frequency assignments.
To provide additional training to the ISM.
Frequencies are listed in what SFAF line item?
110
Emission Designators are listed in what SFAF line item?
114
Transmitter Power is listed in what SFAF line item?
115
Transmitter J/F 12 numbers are listed in what SFAF line item?
343
Receiver State or Country information is listed in what SFAF line item?
400
Receiver J/F 12 numbers are listed in what SFAF line item?
443
Define the following term with regards to a SFAF: Assignment.
Authorization given by an administration for a radio station to use a frequency or channel under specific conditions.
How is training for an Electronic Attack (EA) Operation setup?
An Electronic Attack message is generated and sent up the chain for clearance, coordination, and approval.
True/False: Clearance for an Electronic Attack is done using message text format?
True
What are the six pages of the DD-1494?
DoD General Information
Transmitter Equipment Characteristics
Receiver Equipment Characteristics
Antenna Equipment Characteristics
NTIA General Information
Foreign Coordination General Information
Who is responsible for conducting emitter surveys?
The owning MAJCOM, accompanied by the ISM.
What entity maintains the FRRS files?
JSC
What information is contained in the 200 series of the SFAF?
Organizational Information
What action is taken to prevent or reduce the enemy�s of the use of the spectrum?
An Electronic Attack
What manual provides the guidance for the Joint Spectrum Interference Resolution (JSIR) Program?
CJCSM 3320.02 �JSIR Procedures�
When is a Note-To-Holder (NTH) produced?
When the Joint Frequency Panel has approved an application that has completed the Allocation-to-Equipment Process, and has been assigned a J/F 12 number.
Who authorizes a system to proceed into the Production and Deployment phase?
The Under Secretary of Defense for Acquisition, Technology, and Logistics (USD AT&L)
True / False: Once a frequency expires it can NOT be renewed.
True
True / False: When using a Continuous Wave (CW) Assignment, the Assigned Frequency is the same as the Reference Frequency, so assignments are made using only the Assigned Frequency.
True
In a Single Side Band (SSB) Assignment, if the Reference Frequency is lower than the Assigned Frequency, is this Upper Sideband (USB), or Lower Sideband (LSB)? Example: K7640.5(7639), 3K00J3E, W500
Upper Sideband (USB)
In a Single Side Band (SSB) Assignment, if the Reference Frequency is higher than the Assigned Frequency, is this Upper Sideband (USB), or Lower Sideband (LSB)? Example: K4448.5(4450), 3K00J3E, W500
Lower Sideband (LSB)
Define the following term: Reference Frequency.
The frequency that is physically tuned into the radio.
This system is the single, DoD frequency record keeping system.
Frequency Resource Record System (FRRS)
What are the five objectives of FRRS?
Provide DoD users with a current frequency assignment database.
Support frequency managers with the electromagnetic compatibility analysis process.
Ensure survivability of a natural or man-made disaster.
Allow for rapid retrieval of frequency assignment records.
Provide documentation describing the system and its operational procedures.
Who maintains and controls the Government Master File (GMF)?
NTIA
What information is contained in the Government Master File (GMF)?
All U.S. Government Frequency Assignments.
What type of Electronic Attack is defined as an: in-flight Electronic Attack by single aircraft, or by two to six aircraft working as a unit?
Small Scale Electronic Attack
True / False: Frequency guidance must be obtained prior to assuming contractual obligations.
True
This type of Natural Interference usually consists of short, erratic bursts spread over the spectrum below 30 Hz.
Atmospheric Noise
This type of Natural Interference is considered long-term noise, and may be 10-20 dB higher during Solar Flares and high Sunspot activity.
Solar Noise
What are the two types of Narrowband Interference?
Co-channel Interference
Adjacent Interference
The opening and closing of circuits, and internal harmonics, are the most common cause of this type of interference.
