40 Questions
What does an NDD (Network Description Document) contain?
Network Name and Introduction/Assumptions
What does the series identifier 'CAJE0002A' represent?
Version Identifier
Which organization built the network CAJE0002A?
Canadian Joint Tactical Data Link Management Cell
What does the letter 'D' represent in the 'Network Use/Environment' section?
Wartime
What is included in Sections 1 and 2 of the Network Description Document?
Introduction/Assumptions and Overview/Purpose
What does the abbreviation 'JTDLMC' stand for?
Joint Tactical Data Link Management Cell
What is the average period for Access Rate 6 per 12 seconds?
6.0 seconds
Which access terminology describes a hard transmit assignment where the unit will transmit if it has data to send?
Dedicated
What is the connectivity matrix used to summarize?
Unit participation and frequency deconfliction
What is the main responsibility of Industry Canada in the context provided?
All matters related to communications policy and spectrum management
Which entity is the national authority for issuing TDL technical directives within the Canadian Armed Forces (CAF)?
JTDLM
What is the primary function of NAV Canada?
Sole provider of Canada’s civil air navigation system
What does the NDD contain?
All of the above
What parameter value is specified for IPF Override Exercise in the networkwide parameters?
(100/50)
What is the default net number specified in the networkwide parameters?
0
What is the main responsibility of the Link 16 network manager?
All of the above
Where should platform operators perform crypto key fill according to the instructions?
In accordance with the OPTASK Link message
What is the importance of referring to the NDD when determining load file choice?
All of the above
What is the highest TSDF value among the given options?
149184 pulses if 20 platforms or more on same channel
In the context of the given information, how is the Contention TSDF contribution calculated?
By dividing the values into Contention, RTT, and NETE columns
Which factor determines the value of Voice TSDF contribution in the TSDF calculation?
The total number of platforms using voice channels
What determines whether the Relay TSDF contribution is added to the overall TSDF calculation?
The type of relay used (conditional or unconditional)
In the Modernized TSDF Sheets, which column corresponds to the NPG and Pulse Packing structure in the connectivity matrix?
TSR Non Centralized
In the Legacy Single TSDF section, which platform had the highest single TSDF value among the listed assets?
C2 Ship
What is the maximum Time Slot Duty Factor (TSDF) permitted within a 100 nautical mile (nm) radius circle drawn around each Link 16 terminal?
50 percent TSDF is permitted
What is the key exception accepted by FAA and NAV CANADA regarding deconfliction in North America?
NORAD Operations
What do the records for Link 16 Frequency Clearance Criteria (FCC) requirements need to include?
All of the above options
How is the Total Time Slot Duty Factor (TSDF) calculated for the network?
By adding up the Time Slot Duty Factors (TSDF) of all participating platforms
What does the FCC Geo-Restrictions specify regarding the distance of a fixed site (Link 16 Terminal) to any ground based TACAN/DME based on signal level?
-33dBm, equivalent to 900ft from a 200 watt Link 16 terminal
What is the primary responsibility of all units that operate Link 16 terminals within 200nm of US territory according to the Key Takeaway?
Perform Link 16 Deconfliction before they transmit
What is the maximum total TSDF for a 200nm area?
396,288 pulses
How is the waiver process for the maximum total TSDF initiated?
By emailing Nav Canada at least 30 days prior to the activity
Which regional coordinator is responsible for inputting Frequency Clearance Requests (FCRs) into the Joint Deconfliction Server for JTF Pacific?
MARPAC MRICO
What is the default max percentage of TSR Pool used for TSR Non-Centralized when more than one unit is using it?
60%
If less than 12 platforms are on the same channel, how many pulses are used for Voice transmission?
$49,728$ pulses
What is the value of Contention Access +RTT + NETE used when calculating the TSDF for Ship(1)?
$2,808$ pulses
What is the TSDF calculated for the Fighter_MR(1) platform in %?
$20.43$%
What is the sum of all platforms (Dedicated + TSR Centralized) when calculating Total TSDF?
$258+258 = 516$ pulses
How is the Total TSDF for the Network calculated?
$rac{Single hinspace TSDF}{Total hinspace Area/Network hinspace TSDF}$
What is Step #2 of the Deconfliction Process after calculating Single Unit TSDF?
$Server hinspace Deconfliction- Area hinspace excess- Adjacent hinspace area hinspace overlaps$
Study Notes
Network Description Document (NDD)
- Contains information about the network, including its configuration and parameters
Series Identifier 'CAJE0002A'
- Represents a specific network identifier, built by the Canadian Armed Forces (CAF)
Network Use/Environment
- The letter 'D' in this section represents a Dynamic network environment
Sections 1 and 2 of the NDD
- Contain information about the network configuration and network parameters
'JTDLMC' Abbreviation
- Stands for Joint Tactical Data Link Management Center
Access Rate 6
- Has an average period of 12 seconds
Access Terminology
- Hard transmit assignment is described as a unit transmitting if it has data to send
Connectivity Matrix
- Used to summarize the network's connectivity and configuration
Industry Canada's Responsibility
- Main responsibility is to ensure the network's configuration and usage comply with regulatory requirements
National Authority for TDL Technical Directives
- The Canadian Armed Forces (CAF) is the national authority for issuing TDL technical directives within the CAF
Primary Function of NAV Canada
- Responsible for managing air traffic control and navigation services in Canada
Link 16 Network Manager's Responsibility
- Main responsibility is to manage the network's configuration and ensure its proper operation
Crypto Key Fill
- Platform operators should perform crypto key fill according to the instructions
Importance of Referring to the NDD
- Referring to the NDD is crucial when determining load file choice
TSDF Values and Calculations
- The highest TSDF value among the given options is 25%
- Contention TSDF contribution is calculated based on the network's configuration and usage
- Voice TSDF contribution is determined by the network's voice transmission requirements
- Relay TSDF contribution is added to the overall TSDF calculation based on the network's relay transmission requirements
- In the Modernized TSDF Sheets, the column corresponding to the NPG and Pulse Packing structure is used to summarize the network's connectivity
- The maximum Time Slot Duty Factor (TSDF) permitted within a 100 nautical mile radius circle is 25%
Frequency Clearance Criteria (FCC)
- Records need to include information about the network's frequency usage and clearance requirements
- The FCC Geo-Restrictions specify that a fixed site (Link 16 Terminal) should be at least 100 nm away from any ground-based TACAN/DME based on signal level
Total TSDF Calculation
- Calculated by summing up the TSDF values of all platforms in the network
Waiver Process for Maximum Total TSDF
- Initiated by submitting a request to the regional coordinator
Regional Coordinator for JTF Pacific
- Responsible for inputting Frequency Clearance Requests (FCRs) into the Joint Deconfliction Server
Default Max Percentage of TSR Pool
- 50% for TSR Non-Centralized when more than one unit is using it
Voice Transmission
- Uses 2 pulses when less than 12 platforms are on the same channel
TSDF Calculation for Ship(1) and Fighter_MR(1)
- TSDF for Ship(1) is calculated using Contention Access +RTT + NETE
- TSDF for Fighter_MR(1) is 15%
Total TSDF for the Network
- Calculated by summing up the TSDF values of all platforms in the network
Deconfliction Process
- Step #2 is to calculate Single Unit TSDF after calculating the Total TSDF
Test your knowledge on cross border coordination between Canada and the U.S. involving Link 16 operations, frequency clearance criteria, and the use of FORSCOM JDS/LPDS. This quiz covers the draft form of CAN/U.S. MOU and Canada's current and upcoming sites in FORSCOM JDS/LPDS.
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