1-24. 1-25. 1-26. 1–27. 1–28. 1–29. IN  ANSWERING  QUESTIONS  1-24,  1–25, AND 1–26, REFER TO FIGURE 1–7 IN CHAPTER 1 OF THE TRAMAN. At what point during the satellite pass  will  expansion  effects  cause the  received  frequencies  to  drop below  the  generated  frequencies? 1. T1 2. T2 3. T3 At what point will the received frequencies  exactly  match  the transmitted   frequencies? 1. T1 2. T2 3. T3 At  what  point  will  compression effects  cause  the  received frequencies to be higher than the transmitted   frequencies? 1. T1 2. T2 3. T3 Which  of  the  following  factors affects  the  measurement  of  Doppler shift? 1. Refraction 2. Reflection 3. Reduction 4. Reproduction To solve the problem of Doppler shift  accuracy,  satellites  are designed to transmit on how many frequencies? 1. One 2. Two 3. Three 4. Four Accurate  NNSS  position  fixes  for  a moving vessel require what additional   computation? 1. Vessel’s  draft 2. Vessel’s  length 3. Vessel’s  speed 4. Vessel’s  class 3 1-30. Which  ship’s  system  will  provide the  information  required  to  perform the  additional  computation  required by NNSS? 1. OMEGA 2. LORAN 3. PNNS 4. SINS 1–31  l Given the orbital parameters of a satellite,    the Doppler shift of the signal  transmitted  from  that satellite,   and the velocity of a vessel,    it is possible to obtain a navigational  fix  if  the  satellite is within what distance from the navigation  set? 1. Skip zone 2. Line–of–sight 3. Scatter  zone 4. Line-of-support 1-32. One of the capabilities of the AN/WRN-5  includes  time-ordered alerts for up to how many satellites? 1. Six 2. Two 3. Eight 4. Four 1-33. What is the “at sea”   accuracy  of the  AN/SRN-19(V)2? 1. 0.25  feet 2. 0.25 meters 3. 0.25 miles 4. 0.25  kilometers 1-34. What  activity  may  degrade  the accuracy  of  the  AN/SRN-19(V)2? 1. Ship’s  maneuvers 2. Sunspots 3. Rain 4. High sea state