We have the CB & Ham Radio Homebrew Dummy Load Building Manual on CD. This CD has step by step instructions on building a lot of different types of Dummy Loads, and different Watt Dummy Loads. If you are a CB or Ham Hobbyist, than this CD is for you, you can build 10, 20, 40, 100, 400 Watts Dummy Loads and Higher, with this great Homebrew Dummy Load Building Manual on CD, If you like playing around with Electronics, Than you will love this CD, Satisfaction Guaranteed or your money back,,,,