Recent developments in radio frequency RF semiconductors, especially low-noise RF operational amplifiers, have made a number of previously difficult-to-implement active antenna designs a very simple task. Receiving antennas for the Radio Amateur focuses entirely on active and passive receiving antennas and their associated circuits.
Receiving Antennas for the Radio Amateur #ad - . On the low bands, including our new allocations at 630 and 2, 200 meters, heavy emphasis on the receiving end of these radio paths is essential for success. The active antenna holds a prominent position in this book, as it offers good receiving performance while taking up minimal space.
Amateur Radio Contesting for BeginnersARRL, the national association for Amateur Radio® #ad - Regardless of the size of your station, you can compete, too!Amateur Radio Contesting for Beginners includes everything you need to get started. Equipment adviceoperating guidancesoftware suggestionsDigital contesting tips…and much more!Written by radiosport veteran Doug Grant, K1DG, this will put you on the path to competitive excitement.
Amateur Radio Contesting for Beginners #ad - . Your roadmap to radiosport!Contesting is one of the most exciting aspects of amateur radio. It’s called “radiosport” because it really is a sport – a competition to see who can contact the most stations in an allotted amount of time.
A guide to the NanoVNA#ad - Being a low-cost but high-precision measurement instrument, the NanoVNA created a lot of interest in the engineering and ham radio community. Moreover, the book shows how to extend functionality by running the NanoVNA on external software and communicate with the device. It has the potential to replace several, bulky and expensive tools and to open the field of vector network analysis to many new users.
. The nanovna is readily available for online ordering but ships with no manual. The chapter about some real use cases might be of special interest to the practitioner. In five chapters and with 50 figures, this book helps the potential buyer of a NanoVNA to decide and shows the first time user how to handle it.
Get on the Air with HF DigitalARRL, the national association for Amateur Radio® #ad - You’ll also learn about other digital communication modes such as MFSK, PACTOR, Olivia, and WSPR. Written in an easy to understand style, this book will show you how to set up and operate your own HF digital station. The beginner’s guide to ft8, psk31, wspr, and more!The popularity of HF digital communications among Amateur Radio operators continues to grow rapidly.
It’s a fun and easy way for beginners to get on the air! The text includes instructions for configuring software programs for popular modes such as PSK31, RTTY, FT8 and JT65. A few watts of rf power are all it takes to work the world – digitally!Fully updated, the second edition of Get on the Air with HF Digital is a step-by-step guide that’ll get you started in the fascinating world of HF digital technology.
ARRL's Small Antennas for Small SpacesARRL, the national association for Amateur Radio #ad - With the right antenna design you'll be on the air today!Fully updated, the second edition of ARRL’s Small Antennas for Small Spaces is a valuable resource for radio amateurs who live in apartments, condominiums, or houses on small lots. Learn important tips about feed lines, RF amplifiers, SWR, operating modes and RF safety.
Indoor antennas you can install this WeekendDesign ideas and projects for VHF and HF antennas you can use inside your home. New! outdoor hf antennas system projects6 new projects, including a “privacy fence” stealth antenna, self-supporting inverted V dipole and the extended double Zepp dipole. Outdoor antennas for VHF and BeyondCompact omnidirectional and directional antennas you can install anywhere.
ARRL's Small Antennas for Small Spaces #ad - Creative solutionsa collection of limited-space antenna ideas from well-known amateurs, including the innovative Folded Skeleton Sleeve 40 and 20 Meter Dipole Antenna. In small antennas for small spaces you’ll find ideas and projects that will get you on the air regardless of where you live!Includes:Tips to Get You Started the Right WayOptimizing your limited-space station is about more than just building an antenna.
Projects and advice for limited-space stationsamateur radio operators love antennas – the bigger the better -- but if you don’t have acres of property to erect the antenna of your dreams, does it mean you’re effectively off the air? Not at all! This fascinating hobby is still yours to enjoy. Filled with practical advice, this book guides you to finding the right antenna design to fit whatever space you have available.
HF Dipole Antennas for Amateur RadioARRL, the national association for Amateur Radio® #ad - It includes innovative antenna projects for single- and multiband antennas, as well as antennas for portable applications. Portable antennasan easy-to-make three-band dipole for arrl field daya field-portable multi-band rotatable dipole antennaa small, portable dipole for field usea portable twin-lead 20-meter dipolethe njqrp squirtmultiband antennasa shortened 60 meter dipole that also covers 15 metersa compact multiband dipolea folded skeleton Sleeve Dipole for 40 and 20 MetersA Fan Dipole for 80 through 6 MetersA No Compromise Off-Center Fed Dipole for Four BandsSix Band Loaded Dipole AntennaThe Classic Multiband DipoleA Dipole Curtain for 15 and 10 MetersK8SYL’s 75 and 10-Meter DipoleThe N4GG ArraySingle-Band AntennasA Lightweight Rotary Dipole for 40 MetersThe WØIH Tunable 80 Meter DipoleA Coaxial Cable Vertical Dipole AntennaA Wideband Dipole for 75 and 80 MetersThe K4VX Linear-Loaded Dipole for 7 MHzBonus Section! Off-Center-Fed Dipoles — Theory and PracticeSpecial bonus section by Jackson R.
Includes several antenna projects you can build yourself! Richter, wbØusa, features a thorough discussion about how these popular multiband antennas function. 20 innovative antenna projects!arrl’s hf dipole antennas for amateur Radio is a collection of 20 HF dipole antenna designs published in QST, ARRL’s membership journal, between 2000 and 2017.
Grounding and Bonding for the Radio AmateurARRL, the national association for Amateur Radio #ad - You’ll learn effective grounding and bonding techniques for home stations, including condos and apartments, portable and temporary stations, as well as towers and outside antennas. Build your ham radio station with effective grounding and bonding techniques:AC safety: protects against shock hazards from ac-powered equipment by providing a safe path for current when a fault in wiring or insulation occurs.
Grounding and Bonding for the Radio Amateur #ad - Lightning protection: keeps all equipment at the same voltage during transients from lighting and dissipate the lightning’s charge in the Earth, routing it away from equipment. Rf management: prevents unwanted RF currents and voltages from disrupting the normal functions of equipment also known as RF interference or RFI.
Grounding and bonding for the radio amateur shows you how to make sure your station follows current standards for lightning protection and communication systems, not to mention the National Electrical Code. Proper station Grounding is Important! .
Portable Operating for Amateur RadioARRL, the national association for Amateur Radio® #ad - Added to the increase in organized outdoor operating activities, clubs, and programs, and it’s no wonder that ham radio operators are inspired to venture into portable operations. Anyone can give portable operating a try. Whether you want to activate from a picnic table at a nearby park, or a remote summit after a backcountry hike, Portable Operating for Amateur Radio offers a wealth of practical information to help make your portable Amateur Radio operations successful.
Portable Operating for Amateur Radio #ad - A new generation of compact, full-featured, portable radios combines with modern battery technology to make it easier than ever to set up your station and enjoy Amateur Radio in the great outdoors. There’s something for everyone, no matter your license class or interests. Everything you need to get on the air in the great outdoors!Amateur Radio stations traditionally have been associated with a table full of gear in a home station.
Portable operators use hf and vhf bands, CW, FM, as well as SSB, and digital modes. In recent years, that has changed with the increasing popularity of operating portable, away from home.
Antenna Physics: An IntroductionARRL, the national association for Amateur Radio #ad - In later chapters, examples tie the concepts learned in earlier chapters to a number of antenna types familiar to radio amateurs. Includes:antenna physicsfundamentalsradiation of radio wavestransmission LinesAntennas Using Multiple SourcesApplied Antenna PhysicsDielectric Effects Upon Radio WavesVertical AntennasYagi-Uda and Cubical Quad AntennasSpecialized Antenna ConfigurationsNoise, Temperature, and Signals.
We learned some basic antenna theory while studying for license exams, and most of us have built an antenna or two. Zavrel, jr, w7sx, a well-known author and professional antenna engineer, explains many of the underlying principles of antennas and antenna physics and introduces the reader to the mathematics behind these principles.
Antenna Physics: An Introduction #ad - We know the basics and turn to the arRL Handbook, ARRL Antenna Book, and other general texts when thinking about our next antenna project. We know how long to make a dipole or vertical antenna for a particular frequency, but do we know how the antenna really works? Antenna Physics: An Introduction is written to bridge the gap between basic theory and graduate-level engineering texts.
Robert J. Note that this is not a book of “how-to” projects, but rather a theoretical and mathematical approach to the topic. Although some competence in mathematics is required to get the most from this book, readers may follow along and understand the concepts without needing to solve the complex equations presented.
Delve deeper into antenna TheoryRadio amateurs are familiar with antennas and use them every day to communicate on the air.
Propagation and Radio ScienceARRL, the national association for Amateur Radio #ad - While amateurs can maximize station performance and reliability with the right equipment, knowledge and skill, we cannot control propagation. This book covers topics ranging from theoretical exploration to practical application. Today, with more than 161, 000 members, ARRL is the largest organization of radio amateurs in the world.
Arrl's mission is based on five pillars: Public Service, Advocacy, Technology, Education, and Membership. Through scientific exploration and experimentation, we can improve our understanding of propagation and how it affects radio signals. Propagation and radio science presents a comprehensive overview of one of the most fascinating and rewarding activities in Amateur Radio.
Propagation and Radio Science #ad - Chapters include:matters about matterthe optical factorpolarization, and other antenna mattersthe “reflection” processthe ground wavedemystifying the ionospherethe anomalous IonosphereMagnetic PersonalityInstrumentation and InterpretationFree Electron PropagationNeutral PropagationCheaper Than DirtDiversity MethodsWWV and Channel ProbesSoftware and Other ToolsKeeping Up with Kepler and FriendsYour Friend the S MeterLoads of ModesSea ShantyNVIS Modes and MethodsUnexplored TerritoryAbout ARRL: Founded in 1914 by Hiram Percy Maxim, Gain, ARRL American Radio Relay League is the national association for Amateur Radio in the US.
Exploring the magic of wireless communicationThere are countless ways for radio signals to travel from transmitter to receiver, and understanding how radio waves interact with their environment is an important factor in successful radio communications. Author eric nichols, uses his lively, engaging approach to present the complex subject of radio propagation in simple, KL7AJ, easy-to-understand terms.
. It explains the phenomena we observe on the amateur bands and invites you to embark on the journey through the still-unknown radio propagation universe.
Software Defined Radio: for Amateur Radio Operators and Shortwave ListenersAndrew Barron #ad - It also covers future trends including the development of Direct Fourier Conversion. I find that simple diagrams can often make things easier to understand so I have included some helpful drawings and photographs. The book contains sections on: •what to look for when buying an sdr•what is different about sdr?•what computer skills do you need?•what is digital? – a brief recap on digital theory•definitions of software defined radio•generations and types of sdr•are sdrs better?•future trends•common questions about sdr •sdr software on the pc•audio connections for digital modes•sdr for shortwave listening, Genesis radios, HackRF and Blade RF•SDRs with knobs•On-board or external DSP?•FlexRadio Systems transceivers and SmartSDR•Apache Labs ANAN transceivers and PowerSDR•cuSDR, DSP, The FPGA or microcomputer, RTL dongle, Noctar, Quadrature sampling, FFT magic, KISS Konsole, SDR#, microwave, and satellite operation•SoftRock, digital modes, contesting, CW, Direct Digital Synthesis, Direct Fourier Conversion•The ADC, USB connected receivers, interference monitoring, Server / Client architecture, FUNcube dongle, and GNU radio software•I and Q signals, EME, USRP, Panadapter and waterfall displays•Radio performance testing•Catalog of Software Defined radios – a comparison of 65 SDR receivers and transceivers•Glossary of abbreviations and acronyms•List of drawings and images .
It includes sections on how different types of software defined radios work, the advantages of using them, and how they are tested. The book is not a textbook or a reference book. There is a big section with tips for powersdr users and sections about other commonly used SDR software, plus a comparison of the basic specifications of 65 different SDR receivers and transceivers.
Software Defined Radio: for Amateur Radio Operators and Shortwave Listeners #ad - I explain the basics without getting too technical. This book is intended for Amateur Radio Operators, Shortwave Listeners, and anyone interested in radio as a hobby.