links.

CubeSat:

CubeSat kit

Cansat:

FOGE Cansat Competition

AAS/AAIA Annual Cansat Competition (Amarillo, Texas)

Ham Liscensing:

ARRL homesite

Question Pools (if this is your first liscense, study the Technician Pool)

Rocket Components:

Apogee Rockets

Performance Hobbies