LIST OF FIGURES 

 (Abbreviated Titles) 



Figure 1. Map of 1989 - 1990 study area 5 



Figure 2. Representation of a NOAA TIROS-N satellite in 



polar orbit 6 



Figure 3a. The 1989 Argos-monitored radio tag for right 



whales, front view 11 



Figure 3b. The 1989 Argos-monitored radio tag for right whales, 



side view 12 



Figure 4. The 1989 bow fired dart with swivel 13 



Figure 5. The 1990 Argos-monitored radio tag for right whales 15 



Figure 6. The daily schedule of 1990 6-hour summary periods and 



four 2-hour transmission periods, showing Universal (GMT) 



and local times in relationship to sunrise and sunset 17 



Figure 7. The effect of initialization time on the number of 



minutes satellites are overhead 18 



Figure 8. 1990 Argos-monitored radio tag with attachments 19 



Figure 9. Whale with satellite tag (PTT #833, NEA #1981). . 23 



Figure 10. Frequency histogram of the number of transmissions 



received during each 4-hour summary period for 

 PTT #843 (1989) 26 



Figure 11. Time and date transmissions were received for PTT #823 29 



Figure 12. Time and date transmissions were received for PTT #839 30 



Figure 13. A comparison of total number of passes received per 6-hour 



summary period for PTTs #823, #825, #827, #831, #833, #839, 

 and #840 31 



IV 



