Beskrivelse
25 Years of Low Band Success!
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 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.
