Antentop is Free E-Magazine devoted to antennas and amateur radio

ANTENTOP is FREE e- magazine, devoted to antennas and amateur radio. Everyone may share his experience with others hams on the pages. Antentop is published at http: //www.antentop.org. It is a hard copy of the magazine

ANTENTOP is FREE e- magazine, devoted to antennas and amateur radio. Antentop Magazine devoted to Antenna Theory and Practice, Operation in the Air, Practice of the Ham Radio. However the magazine will be useful to all who involved in radio communications. Antentop is published at http://www.antentop.org. It is a hard copy of the magazine. Table of Contents: CONTENTS of ANTENTOP 01 2013Antenna TheoryLinear Array Theory- Part IAntenna Practice Modifications for the Multiband UB5UG Antenna: Antennas UA6AGW: Antennas UA6AGW. Modification and Development: Vertical Antenna for the 20-, 15-, 10- meter Bands (Antenna UW4HW): Ferrite Magnetic Antenna for the 160 and 80- meter Bands: Helical Antenna for the 20- meter Band: Broadband Sloper for the 80- meter Band: Three- Rod Vertical Ground Plane Antenna for the 10- meter Band: RA3AAE Antenna for the 10- and 2- meter Band:VHF Antennas UR0GT Antenna for the 145 and 50- MHz Band: Two Broadband Antennas for the 145- MHz Band: All- Metal Three Element Antennas for the 145- MHz Band:Receiving Antennas Ferrite Magnetic Antennas by RN3DEK. Design, Experimenters and HF Antennas: Ferrite Magnetic Antennas by RN3DEK. LW, MW and 160- m Antennas: Ferrite Magnetic Antenna for the 160, 80 and 40- meter Bands: Receiving Field HF Loop Antenna: TV Ferrite Magnetic Loop Antenna: Two Receiving Magnetic Loop Antennas: PAPictures of the Real P.A.receivers Simple HF Regenerative Receiver: Regenerative Receiver BARABASHKA-3: Simple Three Bands Regenerative Receiver: HistorySoviet Legendary HF Receiver KUB- 4:Antenna's Tips Wires for Antenna and Grounding:Patent Dielectric Loaded Colinear Vertical Dipole Antenna:Tunable Antenna

Today, more and more antenna engineers are viewing the Dielectric Resonator Antenna (DRA) as a preferable alternative to conventional low-gain designs because of several attractive features, including high radiation, light weight, small size and low profile. This practical resource presents complete, up-to-date details on DRAs in a single volume. The book provides professionals with clear guidance on the mode of operation and radiation behavior of DRAs, the main methods of excitation, and the major advances in DRA technology. This hands-on reference equips engineers with simple equations and graphs that help them rapidly design DRAs, without the need for complex analytical or numerical calculations. Numerous design examples are included to give practitioners a sense of the versatility that DRAs afford.

Antarctic Comrades chronicles an American scientist's adventure with a Soviet research team in 1960. This book is Gilbert Dewart's description of the work accomplished at the Mirnyy research station and of a four-month summertime trek inland to Vostok, another Soviet station in the coldest part of Antarctica. It illuminates an event during the Eisenhower/Kennedy/Khrushchev era, an early attempt at glasnost, and the evolution of the international scientific community.