| References |
| Getting to know RC radio systems. Retrieved April 15, 2003, from the Flying Sites website: http://www.flyingsite.co.uk |
| Getting to know RC engines. Retrieved April 15, 2003, from the Flying Sites website: http://www.flyingsite.co.uk |
| How Radio Control Toys Work. Retrieved April 21, 2003, from the How Stuff Works website: http://entertainment.howstuffworks.com |
| Radios: The Heart of RC Modeling. Retrieved April 21, 2003, from the Easy RC website: http://www.easyrc.com |
| Pulse Code. Retrieved May 1, 2003, from the James Mack website: http://www.jmack.net/html/rcmodels/pulsecode |
| The million dollar question. By Peter Rother. Retrieved May 1, 2003 from the Aerodesign website: http://www.aerodesign.de/peter/2000/PCM/PCM_PPM_eng.html |
| Pulse Code Modulation. Retrieved May 1, 2003, from the Integrated Publishing website: http://www.tpub.com/neets/book12/49l.htm |
| Radio Control System Operation. By Howard Sullivan. Retrieved from April 21, 2003, from the RC Flight Unlimited website: http://www.charter.net/rcfu/HelpsHints/RadioOps.html |
| RC airplane. Retrieved May 5, 2003, from the Dubai RC Hobbies website: http://www.dubairchobbies.org/rc_airplanes.htm |