1. Final Presentation Slides
Michael Christopher
-Communications Group
-TLI Phase Group

2. Communication System Overview
Lunar Transfer
Two Patch Antennae used on the Lunar Lander
Patch Antenna Pivot employed for signal aiming to Earth
Bandwidth: 0.5 kbps (kilobytes per second)
Locomotion
Link between Space Balls and Lander
Lander communicates with Earth ground stations
Bandwidth: 6.4 kbps (kilobytes per second)

3. Survival Mooncast (BONUS PRIZE)
Mooncast Schedule
Lunar Arrival Mooncast
Item
Link Direction
Size [MB]
Transmission Time [hr]
Photos
Down 5
0.24
XPF Set Asides 10
0.47
Data Uplink Set Up
Totals
35 MB
1.65 hrs
Locomotion Mooncast
Item
Link Direction
Size [MB]
Transmission Time [hr]
8 min Near Real Time Video
Down 75
3.53
8 min High Definition Video
900
42.37
Photos 5
0.24
Totals
980 MB
46.14 hrs
Survival Mooncast (BONUS PRIZE)
Item
Link Direction
Size [MB]
Transmission Time [hr]
8 min Near Real Time Video
Down 75
3.53
Photos 5
0.24
Totals
80 MB
3.77 hrs

4. Patch Antenna and Pivot System
Antenna Mount
Base Plate
Stepper Gear Motor
System Mounted on OTV
Advantages
Redundancy (2 pivots and antennae and 2 motors on each pivot.
Reduces the need for more antennae on the Orbital Transfer Vehicle (OTV)
Low cost pivot: $83.50
Low mass pivot: 0.2 kg