ON4UN's Low Band DXing

on4un_low-band_dxing
560,00 NOK pr stk,- Produsent: ARRLARRL

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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 Radioand the revolutionary LP-500 Digital Station Monitor. Contents: Propagation DXing on the Low Bands Receiving and Transmitting Equipment Antenna Design Software Antennas: General, Terms, Definitions The Feed Line and the Antenna Receiving Antennas The Dipole Antenna Vertical Antennas Large Loop Antennas Phased Arrays Other Arrays Yagis and Quads Low Band DXing from a Small Garden From Low Band DXing to Contesting CD-ROM included! The CD-ROM includes the entire book in a fully searchable PDF format as well as ON4UN’s software (Windows XP only), antenna modeling files, photographs and more.  

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