Error: file_put_contents(/home/sdp/web/themes-production.sdp-platform.com/storage/framework/views/bd392427fda80954729f2981f50762bb.php): Failed to open stream: Permission denied

RF/Microwave Systems

On Monday a person leaves Baltimore, MD on a business trip to San Diego, CA. During their trip, they directly
or indirectly use several RF/microwave systems from multiple application classes.
Discuss which systems they might use.
Note: To receive full credit you must identify at least three different systems from three different application
classes.