Amateur Radio Pedestrian Mobile Handbook: Second Edition is for the ham radio operator who is looking to gain more knowledge about operating a pedestrian mobile station as he or she walks in the great outdoors. How to design, build and operate a pedestrian mobile station. This edition is close to 100 pages longer than the first edition. More information such as operating at higher elevations, ham radio apps, PM operation and pace makers, more information on keys, etc. This book is loaded with great ham radio links!