What are the objectives of IT-21? What are the major systems that compose an IT-21 suite? - Answers
Objectives: C2, Information Dissemination, Optimize RF management
Systems: GCCS-M, NTSP, NSIPS
What is the mission of CIWT? - Answers Aligns training responsibilities of 4 key disiciplines of
information dominance. Delivers right training, at right time, at right place
Discuss relationship between frequency, wavelength, propagation distance, and data capacity - Answers
Frequency and Wavelength are inversely related.
Lower Frequency = Bigger antenna
Higher Frequency = Higher Bandwidth
Frequency - Answers Number of times cycle repeats its self in 1 second
Wavelength - Answers Physical size in meters
What are the 3 types of multiple access used in RF? - Answers 1) FDMA
2) TDMA
3) SSMA
Moden - Answers Allows computers to interface with communications
Transmitting? - Answers Modulating (Digital to Analog)
What is the purpose of the COR Audit Team (CMS ANA Team)? - Answers Ensure compliance with
policies and procedures
Which platforms have SINCGARS? Can it be used for sending IP Data? What is the frequency range? -
Answers Yes it can send IP data (Block 11 MAGTF Router)
All platforms but cruisers have it
, VHF
30-80 MHz
What is DMR and what are its advantages? - Answers Computer controlled Comms Suite
1) Simeltaneous Operations
2) Full Duplex
3) Built-in Crypto
4) Can operates: Simplex, half simplex, Full Duplex
Advantages/Disadvantages of UHF SATCOM? - Answers Advantages - Workhourse, small equipment
footprint, Widespread
Disadvantages - Overburdened, Susceptible to Jamming, Low data rate
What is the advantage of using combiiners in UHF comms? What is the trade-off? - Answers Advantage -
Combine 2 inputs into 1 output path. Don't need 2 antennas
Tradeoff - Signal loss (50% or 3Db)
Stop gap radio? - Answers SRC-58
What is WGS? - Answers Wideband Global System
High capacity X and Ka wordlwide coverage
4.875 Ghz
USC-38 - Answers FOT
URC-69 - Answers CBSP
USR-10 - Answers GBS