Electronics

Electronic Systems Branch Design Handbook

What you need to know about ESD. (coming soon)

What you need to know about Soldering.  aka Soldering 201 (coming soon)

More advance soldering techniques and tips. (coming soon) 

Radiation effects

Goddard Radiation Home

CREME 96 Radiation database

http://www.spenvis.oma.be/

Amateur Radio and SmallSats

Bob Bruninga's Naval Academy Lab, APRS, and RF fun

AMSAT FAQ's

Basics of Antenna Gain