The fifth edition features new and updated material. Highlights include...
...a thoroughly revised discussion of receiving antennas. You ll discover how to greatly enhance their operational
bandwidth. In addition, low-signal transformers for Beverages and other receive-only antennas are analyzed in great
detail, along with effective common-mode filters.
...a new examination of phased arrays, with new concepts such as the hybrid-fed 4-square array and opposite-voltage feed
system. This is a must-read for every serious antenna builder!
...dozens of new propagation maps based on DX Atlas, as well as an in-depth analysis of the influence of sunspot cycles
on 160-meter ducting.
...a new discussion of cutting edge technology including Software Defined Radio and the revolutionary LP-500 Digital