Errata

Two printer´s errors are noted: (1) In July Systems, Volume 28, number 7, page 41 and 42: Figure 1 and Figure 2. The photos of the F-15 and F-16 were switched during magazine production. Figure 1 is the F-16. Figure 2 is the F-15. (2) August Systems, Volume 28, number 8, Back Cover and Caption on the Front inside Cover: The cover caption for the back cover and the cover graphic are reversed. The top graphic pictures the satellite in launch position and the bottom graphic pictures the satellite in orbiting position.