Radio technology Books
Radio Society of Great Britain Building a Transceiver
Book Synopsis
£12.34
Radio Society of Great Britain HF Antennas for All Locations
Book Synopsis
£17.99
Radio Society of Great Britain Successful Wire Antennas
Book Synopsis
£999.99
John Wiley & Sons Inc VHF Companion
Book SynopsisA handy, splash-proof, on-the-water reference guide to every type of radio call, from Mayday to calling another boat or shore station. It also covers DSC, Pan Pan and other emergency calls.Table of ContentsIntroduction; The Hardware; Types of Call; Range; Prowords; Calling a Marina or Port; Calling Another Boat; Calling the Coastguard; Mayday; Mayday Relay; Pan Pan; Securite
£8.54
Radio Society of Great Britain Elimination of Electrical Noise: No. 2
Book Synopsis
£7.99
Radio Society of Great Britain Valves Amplifiers Explained
Book Synopsis
£999.99
Radio Society of Great Britain RF Design Basics
Book Synopsis
£16.19
Radio Society of Great Britain Amateur Radio Astronomy
Book Synopsis
£15.29
Radio Society of Great Britain The Birth of British Radar
Book Synopsis
£999.99
Radio Society of Great Britain Radio Propagation Explained
Book Synopsis
£11.04
Bloomsbury Publishing PLC Reeds VHF Handbook
Book SynopsisThe Reeds VHF Handbook is an accessible, user friendly but comprehensive guide to marine VHF radio that helps users quickly get up to speed with all the functions on their equipment. Straightforward explanations and tips describe the leisure VHF DSC radio system in detail and its place within GMDSS.This brand new book incorporates all the information required to pass the Short Range Certificate, which is compulsory for anyone using a VHF DSC radio, and forms part of the process of obtaining the Day Skipper qualification. The book covers radio procedure, channel allocation, VHF radio theory and more, along with a full explanation of GMDSS, including details on EPIRBs, SARTs and Navtex.The Reeds VHF Handbook is an essential onboard reference, and set to become the standard work on the subject.Trade ReviewRadio technology is becoming more complicated, but this guide will demystify the equipment. The book covers radio procedure, channel allocation, VHF radio theory and more, along with a full explanation of GMDSS, including details on EPIRBs, SARTs and Navtex. * Classic Boat *Very well laid out, the Handbook covers all aspects of marine radio usage. It should be kept within easy reach of the radio as time is frequently a major factor. * Cruising Magazine *Table of ContentsContents Introduction and acknowledgements 1. Radio theory 2. Global Maritime Distress & Safety System 3. VHF radios 4. Rules and regulations 5. VHF channels 6. Radio procedures 7. Using DSC 8. Routine calls by voice 9. Distress calls – MAYDAY 10. Urgency announcements – PAN PAN 11. Safety announcements – SÉCURITÉ 12. The phonetic alphabet 13. Glossary 14. VHF channels and their uses 15. SRC syllabus and assessment 16. Questions and answers Appendices A. Overheard on VHF B. Check-off list for Distress Alerts C. Pro forma for MAYDAY calls D. MMSI numbers and VHF channels (for self-completion) Index
£17.09
Artech House Publishers Practical Geolocation for Electronic Warfare
Book SynopsisThis text explores the practical realities that arise from the employment of geolocation for electronic warfare in real-world systems, including position of the target, errors in sensor position, orientation, or velocity, and the impact of repeated measurements over time. The problems solved in the book have direct relevance to accurately locating and tracking UAVs, planes, and ships. As a companion volume to the author’s previous book Emitter Detection and Geolocation for Electronic Warfare (Artech House, 2019), this book goes in depth on real-world complications that include: working within and converting between different coordinate systems, incorporation of prior information about targets, sensor uncertainties, the use of multiple snapshots over time, and estimating the current position and velocity of moving targets. The e-book version described here includes several links to software and videos that can be downloaded from the publicly available Git repository. The book also includes all MATLAB code necessary to develop novel algorithms that allow comparisons to classical techniques and enable you to account for errors in timing, position, velocity, or orientation of the sensors. With its unique and updated coverage of detailed geolocation techniques and data, and easy linkable access to additional software and videos, this is a must-have book for engineers and electronic warfare practitioners who need the best information available on the development or employment of geolocation algorithms. It is also a useful teaching resource for faculty and students in engineering departments covering RF signal processing topics, as well as anyone interested in novel applications of SDR’s and UAVs.Table of ContentsChapter 1 Introduction 1 1.1 Receiver Processing 1 1.2 Geolocation 2 1.2.1 Practical Considerations of Geolocation 3 1.3 Associated Software 9 1.3.1 MATLAB 9 1.3.2 Textbook Software 10 1.3.3 Python Software 10 Chapter 2 Review of Emitter Geolocation 13 2.1 Geolocation Measurements and Their Likelihood Functions 13 2.1.1 Likelihood Function for AoA Measurements 14 2.1.2 Likelihood Function for TDOA Measurements 16 2.1.3 Likelihood Function for FDOA Measurements 17 2.1.4 Likelihood Function for Hybrid Measurements 19 2.1.5 Generating Measurements and Likelihood Functions 20 2.2 Estimators 25 2.2.1 Maximum Likelihood Estimation 25 2.2.2 Maximum a Posterior Optimization 26 2.2.3 Convex Optimization 26 2.2.4 Least Square Estimators 27 2.2.5 Using Estimators for Geolocation 28 2.3 Other Geolocation Algorithms 31 2.4 Performance Measures 31 2.4.1 Root Mean Squared Error (RMSE) 31 2.4.2 Error Ellipse 32 2.4.3 Circular Error Probable (CEP) 32 2.4.4 Statistical Bounds 33 2.4.5 Statistical Bounds for Common Geolocation Data 36 2.4.6 Calculating CRLB for Geolocation Measurements 38 2.5 Discussion 39 2.6 Problem Set 41 Chapter 3 Sensor Selection 45 3.1 Measurement Sets 47 3.1.1 Full Measurement Set 47 3.1.2 Non-Redundant Set 48 3.2 Measurement Statistics of Sensor Pairs 49 3.2.1 Sensor Pair Cross-Covariance 50 3.2.2 Usage 51 3.2.3 Generating Measurements 54 3.2.4 Jacobian Matrix of Arbitrary Sensor Pairs 56 3.3 Performance Analysis 57 3.4 Problem Set 66 Chapter 4 Coordinate Systems 69 4.1 Local Coordinate Systems 69 4.1.1 Cartesian Coordinates 69 4.1.2 Spherical Coordinates 71 4.2 Global Coordinate Systems 73 4.2.1 Models of the Earth 73 4.2.2 Latitude and Longitude 77 4.2.3 Earth-Centered-Earth-Fixed (ECEF) 78 4.2.4 Earth-Centered Inertial (ECI) 78 4.3 Usage 79 4.3.1 Conversion between ECEF and LLA 80 4.3.2 Conversion between ENU and ECEF 81 4.3.3 ENU Adapted for Spherical Earth 83 4.3.4 Examples 84 4.4 Problem Set 89 Chapter 5 Geolocation with Target Constraints 93 5.1 Geolocation with Known Target Altitude 94 5.1.1 Optimization Problem Formulation 94 5.1.2 Solvers 96 5.1.3 Performance Analysis 105 5.2 Geolocation with Known Altitude Bounds 111 5.2.1 Optimization Problem Formulation 111 5.2.2 Solvers 112 5.2.3 Performance Analysis 117 Contents ix 5.3 Geolocation with Statistical Priors 117 5.3.1 Example Priors 119 5.3.2 Solving Geolocation with Priors 119 5.3.3 Performance Analysis 122 5.4 Problem Set 124 Chapter 6 Geolocation with Sensor Uncertainties 127 6.1 Formulation 127 6.1.1 Gradient of the Measurement Function with Sensor Uncertainties 132 6.1.2 Sensor Position Covariance 138 6.2 Approach 143 6.2.1 Required Observations 144 6.2.2 Maximum Likelihood 146 6.2.3 Iterative Solvers 151 6.3 Calibration Emitters 154 6.3.1 Measurement Bias Estimation 155 6.3.2 Sensor Position Error Estimation 157 6.3.3 Estimating Target Position 157 6.4 Other Solution Approaches 160 6.5 Performance Analysis 161 6.6 Problem Set 163 Chapter 7 Geolocation with Multiple Snapshots 167 7.1 Introduction 167 7.2 Convergence of Multiple Measurements 168 7.2.1 Measurement Space Solutions 172 7.2.2 State Space Solutions 176 7.3 Geolocation of a Stationary Target from Moving Sensors 182 7.3.1 Measurement Space Solutions 183 7.3.2 State Space Solutions 183 7.3.3 Complex Scenarios 186 7.3.4 Degenerate Geometries 188 7.4 Conclusion 190 7.5 Problem Set 190 Chapter 8 Geolocation of Moving Targets 193 8.1 Introduction 193 8.2 An Introduction to Tracking 193 8.2.1 Update Stage 194 8.2.2 Prediction Stage 196 8.2.3 Limitations 197 8.2.4 Coordinate Selection 197 x Contents 8.3 State Space Models 198 8.3.1 State Space Representation of Targets 198 8.3.2 Kinematic Models 198 8.3.3 Process Noise 201 8.3.4 Measurement Models 202 8.4 Advanced Tracking Concepts 212 8.5 Problem Set 216 Appendix A Derivation of the Fisher Information Matrix for Phase, Delay, and Doppler Estimation 221
£90.00
Artisan Ideas Marvelous Magnetic Machines: Building Model Electric Motors from Scrap
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£20.69
Special Interest Model Books Scanners 7: Tuning Into Digital & Analogue Communication
The 'Scanners' series of books have been consistent bestsellers, being the UK's leading guides to receiving equipment employed by enthusiasts to monitor the short wave and VHF/UHF wavebands used by airfields, maritime and rescue services, and analogue and digital two-way private mobile radio systems. This new (seventh) edition covers the rapidly increasing trend towards digital two-way radio communications and the latest handheld and mobile/base scanners with some digital modes fitted. It has been fully re-written and updated to include the latest UK radio frequency listings and call signs for airports, maritime and emergency services and other professional organisations. The book covers the latest shifts in the hobby towards digital and PC- and tablet-controlled radio technology and illustrates the very latest commercial radio scanning equipment and accessories. Included are details of an increasing number of 'apps' for smartphones specifically for radio data decoding, including programs for digital scanner communications decoding for which a smartphone can be linked to an existing scanner radio to decode. Other innovations include TETRA as used by police, ambulance, fire and rescue services, and DMR modes such as Mototrbo. It is predicted that by 2016, fifty per cent of two-way radio communication in the UK will use digital modes.
£12.44
Radio Society of Great Britain Backyard Antennas
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£17.09
Radio Society of Great Britain Digital Modes for All Occasions
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£15.29
Radio Society of Great Britain HF Amateur Radio
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£12.34
Radio Society of Great Britain Radio Nature
Book Synopsis
£13.29
Radio Society of Great Britain HF Antennas for Everyone
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£14.24
Radio Society of Great Britain RTTY/PSK31 for Radio Amateurs
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£9.14
Radio Society of Great Britain SWR Explained
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£8.48
Artech House Publishers Telemetry Systems Engineering
Book SynopsisThis revised edition clearly presents introductory and advanced concepts in telemetry systems, with an emphasis on digital communications. The book helps the reader to perform link analysis for the design of a communications link, create a FM/FM preemphasis schedule systematically to develop an algorithmic code to perform this function, and design PCM/FM telemetry systems to meet a specific BER and bit rate. Learn how to design the transmitting and receiving system with respect to filter bandwidth specifications, and analyze the link which will be used to test the vehicle and basically evaluate the system from end to end, predicting the bit error rate. Brand new chapters on range telemetry, industrial telemetry, and commercial security have been added. Moreover, this up-to-date resource explores future telemetry systems with enhanced spectral efficiencies such as QPSK, Feher's patented FQPSK, Enhanced FQPSK, M-ary FSK and M-ary PSK.Table of ContentsTelemetry system definition; analogue frequency modulation; design of FM/FM systems; pulse code modulation; TM channel formats; PCM/FM (binary FSK); power/noise concepts of BPSK modulation; QPSK; bandwidth efficient modulation techniques; spread spectrum modulation techniques; link analysis; system figure of merit; synchronization; hybrid systems, PCM/FM + FM/FM, PCM/FM/FM; convolutional coding for forward error correction.
£129.05
Radio Society of Great Britain LF Today
Book Synopsis
£11.89
Monsoon Books Snow over Surabaya
Book SynopsisNot many British schoolgirls have grown up to become revolutionary heroes of distant, eastern nations but Muriel Stewart Walker did just that. Under a multitude of different names - 'K'tut Tantri' and 'Surabaya Sue' being the best know - she joined in the struggle for Indonesian independence after the Second World War and broadcast its revolutionary message to the world on Rebel Radio. But she did more and smuggled arms, and probably drugs, to help finance the new Republic and experienced bloody battle in the British attack on Surabaya that some have seen as a war crime. She went on to become an intimate of the revolutionary leaders and finally lived to see Indonesia take its place amongst the free nations of the world. Glaswegian 'Surabaya Sue' is virtually unknown in the West and, even in Indonesia, there have always been doubts about her version of events that many have dismissed outright as a blatant mixture of outrageous fantasy and dishonest omissions. Snow over Surabaya happily embraces those doubts and brings a new, spirited account of her adventures in that tempestuous world.
£8.54
Radio Society of Great Britain QRP BASICS
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£999.99
Strathclyde Academic Media Software Defined Radio using MATLAB Simulink and the RTLSDR
£39.90
Radio Society of Great Britain Getting Started in Amateur Radio
Book Synopsis
£8.54
Cambridge University Press Green Radio Communication Networks
Book SynopsisThe importance of reducing energy costs, reducing CO2 emissions and protecting the environment are leading to an increased focus on green, energy-efficient approaches to the design of next-generation wireless networks. Presenting state-of-the-art research on green radio communications and networking technology by leaders in the field, this book is invaluable for researchers and professionals working in wireless communication. Summarizing existing and ongoing research, the book explores communication architectures and models, physical communications techniques, base station power-management techniques, wireless access techniques for green radio networks, and green radio test-bed, experimental results and standardization activities. Throughout, theoretical results are blended with practical insights and coverage of deployment issues. It serves as a one-stop reference for key concepts and design techniques for energy-efficient communications and networking and provides information essentiTrade Review'This book is an excellent summary of existing literature on green communications from a communications theorist point of view. It can be extremely valuable to researchers in this emerging area.' Vahid Tarokh, Harvard University'… an excellent snapshot of the state of green in wireless networking and … a nice overview of who is doing what and where in the field.' Alfy Riddle, IEEE Microwave Magazine'This is one of the first books related to the area of green wireless communication. It provides a good overview of different research works carried out independently by various groups.' Michal Wagrowski, IEEE Communications Magazine'This book contains contributions from almost 60 scientists and engineers in academia and industry. Green Radio Communication Networks is an excellent snapshot of the state of green in wireless networking, and it is a nice overview of who is doing what and where in the field.' Microwave MagazineTable of ContentsPart I. Communication Architectures and Models for Green Radio Networks: 1. Fundamental trade-offs on the design of green radio networks Yan Chen, Shunqing Zhang and Shugong Xu; 2. Algorithms for energy-harvesting wireless networks Vinod Sharma, Utpal Mukherji and Vinay Joseph; 3. PHY and MAC layer optimization for energy-harvesting wireless networks Neelesh B. Mehta and Chandra R. Murthy; 4. Mechanical relaying techniques in cellular wireless networks Panayiotis Kolios, Vasilis Friderikos and Katerina Papadaki; Part II. Physical Communications Techniques for Green Radio Networks: 5. Green modulation and coding schemes in energy-constrained wireless networks Jamshid Abouei, Konstantinos N. Plataniotis and Subbarayan Pasupathy; 6. Cooperative techniques for energy-efficient wireless communications Osama Amin, Sara Bavarian and Lutz Lampe; 7. Effect of cooperation and network coding on energy-efficiency of wireless transmissions Nof Abuzainab and Anthony Ephremides; Part III. Base Station Power-Management Techniques for Green Radio Networks: 8. Opportunistic spectrum and load management for green radio networks Oliver Holland, Christian Facchini, A. Hamid Aghvami, Orlando Cabral and Fernando Velez; 9. Energy-saving techniques in cellular wireless base stations Tao Chen, Honggang Zhang, Yang Yang and Kari Horneman; 10. Power-management for base stations in smart grid environment Xiao Lu, Dusit Niyato and Ping Wang; 11. Cooperative multicell processing techniques for energy-efficient cellular wireless communications Mohammad Reza Nakhai, Tuan Anh Le, Auon Muhammad Akhtar and Oliver Holland; Part IV. Wireless Access Techniques for Green Radio Networks: 12. Cross-layer design of adaptive packet scheduling for green radio networks Ashok Karmokar, Alagan Anpalagan and Ekram Hossain; 13. Energy-efficient relaying for cooperative cellular wireless networks Yifei Wei, Mei Song and F. Richard Yu; 14. Energy performance in TDD-CDMA multihop cellular networks Hoang Thanh Long, Xue Jun Li and Peter Han Joo Chong; 15. Resource allocation for green communication in relay-based cellular networks Umesh Phuyal, Satish C. Jha and Vijay K. Bhargava; Part V. Green Radio Test-Bed, Experimental Results, and Standardization Activities: 16. How much energy is needed to run a wireless network? Gunther Auer, Vito Giannini, Istv́an Godor, Oliver Blume, Albrecht Fehske, Jose Alonso Rubio, Pål Frenger, Magnus Olsson, Dario Sabella, Manuel J. Gonzalez, Muhammad Ali Imran and Claude Desset; 17. Standardization, fora, and joint industrial projects on green radio networks Alberto Conte, Hakon Helmers and Philippe Sehier.
£999.99
Cambridge University Press Energy Harvesting
Book SynopsisA thorough treatment of energy harvesting technologies, highlighting radio frequency (RF) and hybrid-multiple technology harvesting. The authors explain the principles of solar, thermal, kinetic, and electromagnetic energy harvesting, address design challenges, and describe applications. The volume features an introduction to switched mode power converters and energy storage and summarizes the challenges of different system implementations, from wireless transceivers to backscatter communication systems and ambient backscattering. This practical resource is essential for researchers and graduate students in the field of communications and sensor technology, in addition to practitioners working in these fields.Table of ContentsPreface; 1. Introduction; 2. 2d-3d integration for autonomous sensors Sangkil Kim; 3. Solar (light) energy harvesting; 4. Kinetic energy harvesting; 5. Thermal energy harvesting; 6. Wireless power transmission; 7. Electromagnetic energy harvesting; 8. Power supplies and storage; 9. A system perspective; Notes; References; Index.
£999.99
Cambridge University Press MMWave Silicon Power Amplifiers and Transmitters
Book SynopsisBuild high-performance, spectrally clean, energy-efficient mm-wave power amplifiers and transmitters with this cutting-edge guide to designing, modeling, analysing, implementing and testing new mm-wave systems. Suitable for students, researchers and practicing engineers, this self-contained guide provides in-depth coverage of state-of-the-art semiconductor devices and technologies, linear and nonlinear power amplifier technologies, efficient power combining systems, circuit concepts, system architectures and system-on-a-chip realizations. The world''s foremost experts from industry and academia cover all aspects of the design process, from device technologies to system architectures. Accompanied by numerous case studies highlighting practical design techniques, tradeoffs and pitfalls, this is a superb resource for those working with high-frequency systems.Table of Contents1. Silicon-based mm-wave transmitters: motivation and state-of-the-art Hossein Hashemi and Sanjay Raman; 2. Characteristics, performance, modelling, and reliability of SiGe HBT technologies for mm-wave power amplifiers David Harame, Vibhor Jain and Renata Camillo Castillo; 3. Characteristics, performance, modelling, and reliability of CMOS technologies for mm-wave power amplifiers Antonio Scuderi and Egidio Ragonese; 4. Linear-mode mm-wave silicon power amplifiers James Buckwalter; 5. Switching-mode mm-wave silicon power amplifiers Harish Krishnaswamy, Anandaroop Chakarbarti, Kunal Datta and Hossein Hashemi; 6. Stacked mm-wave amplifiers Peter Asbeck and Harish Krishnaswamy; 7. On-chip power combining techniques for mm-wave silicon power amplifiers Jeng-Han Tsai, Jin-Fu Yeh and Tian-Wei Huang; 8. Out-phasing mm-wave silicon transmitters Patrick Reynaert and Dixian Zhao; 9. Digital mm-wave silicon transmitters Ali Niknejad and Sorin Voinigescu; 10. System-on-a-chip mm-wave silicon transmitters Arun Natarajan and Brian Floyd; 11. Self-healing for mm-wave power amplifiers Ali Hajimiri, Steve Bowers, Kaushik Sengupta and Kaushik Dasgupta.
£999.99
Cambridge University Press Spectrum Management
Book SynopsisWith this definitive guide to radio spectrum management, you will learn from leading practitioners how spectrum can be managed effectively and made available both now and in the future. All aspects of spectrum management are covered in depth, from the fundamentals of radio spectrum and technical and economic basics, to detail on methods such as auctions, trading, and pricing, and emerging approaches including shared and dynamic spectrum access and new ways of licensing. With the help of real-world case studies, you will learn how this knowledge comes together in practice, as the authors illustrate the role of spectrum in the wider economy and offer valuable insights into key future trends. Authoritative and up to date, and bringing together the key technical, economic, and policy issues into one definitive resource, this is the essential guide for anyone working or studying in areas related to radio spectrum management.Trade Review'This is an excellent book, and the nearest approximation to a page-turner any work on spectrum management could hope to be.' Paul Paterson, Chief Economist, Department of Communications, Australian Government'Cave and Webb are at the forefront of knowledge in spectrum management issues. They combine the best possible understanding of the stakes and challenges, with extensive industry and policy experience. This book is the must read for those involved in radio spectrum affairs in the industry and the government.' Gerard Pogorel, ENST-Telecom ParisTech'Martin Cave and William Webb are thought leaders in the field of spectrum management. Not have only have they come up with new engineering and policy ideas, they have implemented them as well, which makes this book essential reading.' Martin Sims, Policy TrackerTable of ContentsPart I. Introduction: 1. Overview; 2. Technical basics; 3. Economic basics; Part II. Markets: 4. Auctions; 5. Trading; 6. Pricing; Part III. Sharing: 7. Sharing modes and the commons; 8. Dynamic spectrum access; Part IV. Topics: 9. The UHF band; 10. Public sector; 11. Economic value of spectrum; 12. The future.
£82.64
Cambridge University Press Analysis and Modeling of Radio Wave Propagation
Book SynopsisA comprehensive text covering the theory and techniques needed to analyze and model radio wave propagation in complex environments. With extensive appendices on numerical and mathematical methods, and MATLAB functions available online, this is an invaluable resource for practicing engineers and researchers working on radio system design.Table of Contents1. Basic concepts; 2. The fundamentals of electromagnetic waves; 3. The reciprocity, compensation and extinction theorems; 4. The effect of obstructions upon radio wave propagation; 5. Geometric optics; 6. Propagation through irregular media; 7. The approximate solution of Maxwell's equations; 8. Propagation in the ionospheric duct; 9. Propagation in the lower atmosphere; 10. Transionospheric propagation and scintillation.
£73.14
Nova Science Publishers Inc Focus on Cognitive Radio Technology
Book SynopsisBook & CD. Cognitive Radio (CR technology) has the potential to provide more innovative, flexible, and comprehensive use of the radio frequency spectrum, while at the same time minimising the risk of interference to other spectrum users. CRs can be developed that have the technical capability to adapt their use of the spectrum in response to information external to the radio. As a result of this technical and operational flexibility, CR technologies may also make it possible to use spectrum that may be available in a particular geographic location or during a particular period of time and would otherwise go unused. At this time, there is not a clear boundary between CR and software defined radio (SDR) technologies. In many instances, SDR will be used as the basic platform on which to build CR technology. This book provides the first details of this new and innovative technology.
£999.99
Cambridge University Press Microwave and RF Vacuum Electronic Power Sources
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£155.00
Starpath Publications International Code of Signals For Visual Sound and Radio Communication
£12.30
Arundel Books The Secret Wireless War
£18.57
Strathclyde Academic Media Software Defined Radio using MATLAB Simulink and the RTLSDR
£52.25
LEGARE STREET PR A History of Wireless Telegraphy
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£26.55
LEGARE STREET PR A History of Wireless Telegraphy
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£19.95
LEGARE STREET PR A History of Wireless Telegraphy
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£26.55
LEGARE STREET PR A History of Wireless Telegraphy
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£19.95
Legare Street Press Ionospheric Propagation of Plane Waves
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£21.80
LEGARE STREET PR Regulations Governing Commercial Radio Service Between Ship and Shore Stations
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£22.75
Legare Street Press A National Training Manual and Procedural Guide for Police and Public Safety Radio Communications Personnel
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£22.75
Legare Street Press RadioTelephony for Everyone
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£24.65
Legare Street Press Practical Uses of the Wave Meter in Wireless Telegraphy
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£22.75
Legare Street Press How to Make a Wireless Set
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£22.75
Legare Street Press Radio Frequency Measurements By Bridge And Resonance Methods
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£25.60
