ASSIGNMENT    4 Textbook Assignment:  “Link-11 System,” chapter 4, pages 4-18 through 4-19 (continued); “Link-11 Fault Isolation,” chapter 5, pages 5-1 through 5-17. 4-1. A total of how many data tones are in the composite tone package developed by the DTS? 1. 13 2. 14 3. 15 4. 16 4-2. The intelligence (data bits) in a data tone is stored by which 1. 2. 3. 4. of the following methods? Phase shifting the tone by a predetermined amount with respect to the following frame Phase shifting the tone by a predetermined amount with respect to zero degrees Phase shifting the tone by a predetermined amount with respect to the preceding frame Increasing or decreasing the amplitude of the data tone with respect to the preceding frame 4-3. During  receive  operations, exactly how many EDAC bits are extracted from the received data  tones? 1. One 2. Two 3. Five 4. Six 4-4. The EDAC bits enable the DTS to correct a total of how many received bit errors? 1. One 2. Two 3. Three 4. Four 4-5. 4-6. 4-7. 4-8. 4-9. When operating the Link-11 with a UHF radio set, you should place the SIDEBAND SELECT switch in what position only? 1. LSB 2. USB 3. DIV 4. AUTO With Link-11 transmitting on the HF range and the sideband select switch set to the AUTO position,  which  of  the following priorities are used by the DTS to find the data word with no errors to send to the  computer? 1. LSB, USB, DIV 2. LSB, DIV, USB 3. DIV, LSB, USB 4. DIV, USB, LSB The Link-11 radio set is in the transmit mode when the key line is clear. 1. True 2. False Which of the following conditions would NOT be a valid reason for changing the unit functioning as NCS in a Link-11 net to improve net communications? 1. The current NCS has one PU address entered wrong 2. The current NCS has poor receiver sensitivity and is polling on top of PU responses 3.    Several PUs are in a propagation  shadow 4. Several PUs are out of range of the current NCS unit Changing frequencies will always  solve  Link–11  problems. 1. True 2. False 19