The POWIM-PD & MISO Tests and Measurements Newsletter contains articles that give the reader an inside look at the performance of the POWIM-PD and MISO products during tests that are performed on them. This resource is probably one of the best ways to keep current on the information about the quality of these products. The subscriber will also get tips and tricks on usage, information about renewable energy, and relevant topics, and be entertained. It is not periodical, and the number of issues will be limited. You want this subscription.