Link 16
What does the propagation area of link 16 timeslot do?
Allows time for the last polls to propagate 300 NM (500 NM in extended range mode)
What is the purpose of like 16?
And advanced information distribution system that integrates communication, navigation, and identification capabilities for application to airborne land based and maritime tactical operations.
What are the solutions to the link 16 electromagnetic interference problem?
A. Hardware -each terminal must have interference protect feature IPF installed and adhere to time slot duty factor TSDF restrictions B. Location- will not operate in your ATC equipment C. Coordination -all JTIDS/MIDS/JTRS operations within the US and its possessions must be logged into the link pulse D confliction server LPDS
How long is each link 16 frame?
12 seconds
How many net numbers does link 16 use?
127, numbered zero through 126
What Jay series fix format message is used for electronic warfare control/coordination?
14.2
How many timeslots are in a link 16 frame?
1536
How many nuts can be active without causing mutual interference?
20
What is the normal range of link 16?
300 NM
What is the width of a link 16 pulse?
3MHZ
What is the range of link 16 and extended range mode?
500 NM
How many center frequencies are used by link 16?
51
How many different frequencies can link 16 hop over?
51
How long is each link 16 timeslot?
7.8125 ms
What Is link 16 relative navigation?
A link 16 terminal can refine its own position in three dimensions based on Measure time of arrival TOA of measures from other terminals and their positions.
How are network participation groups NPG's assigned?
By 0PTASK link message
How does ling 16 overcome the line of sight LOS problems?
By using a relay system
How is transmission encryption key TEK use by link 16?
Daily crypto key for loading
What are the duties of a joint interference control officer JICO?
Designs link 16 network based on operational users needs, build network design load NDL, and distributes 0PTASK link message
What does the general area of a link 16 timeslot do
If there is the waiting time before transmission of a pulse. This is part of the anti-jam capability of link 16
What are the four areas of a link 16 timeslot?
Jitter, sync and header, data and propagation
Who produces the OPTASK link message?
Join interface control officer JICO
What is the radio equipment associated with think 16 called?
Joint had to go information distribution system JTIDS, multi functional information distribution system MIDS, or joint tactical radio system JTRS
What is the master key encryption key MKEK used by link 16?
Key that protects other keys, key that all other keys are derived from, and allows radio to boot unwraps system
What are the two types of crypto used by link 16?
Master key encryption key MKEK & transmission encryption key TEK
What is the network time reference NTR?
Network roll a sign uniquely to a single command and control unit which establishes timing for JTIDS network
When is fine sync declared?
Requires reception of at least 3RTTS & occurs when terminal adjust Internal clock to NTR clock
What does like 16 use for relative navigation processing
Round-trip timing RTTS and precise position location of identification PPLIS
What are the four things required to receive a link 16 transmission?
Same crypto, time, that number, and line of sight
What ATC systems operate in link 16 frequency band?
TACAN, DME, and IFF
What is the JTIDS/MIDS/JTRS data link called?
Tactical datalink
Course sync allows what 2 actions?
Terminal can receive all messages, but can only transmit round-trip timing RTTs
When is course sync declared?
Upon receipt of a valid/air free initial entry message IEM
