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2026-10-09
- 170 new manuals added in aes, alinco, bitsavers, b&k, century, collins, dovetron, ebooks, eico, electric-eye, freq-electronics, goodwill, hickok, johnson, kantronics, micronta, military, national, rca, scientific_radio, sencore, sylvania, tennelec, triplett, uniden, and xyz.
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2026-10-21
- New beta site for public review.
Theory
Files
- ABCs of Coaxial Cables.pdf
- About Multipath Distortion.pdf
- All About Pagers.pdf
- AM Transmission and the Time Domain.pdf
- Basics of Radio Transmission and Receptio Part 1 EA 1988-04.pdf
- Chip that Eliminates Radio IF Stages.pdf
- Coax Loss Equation.pdf
- Coaxial Cable - Still the Best for RF Connections.pdf
- Coil Tuning Range Nomogram.pdf
- Communication Theory.pdf
- Communications Noise.pdf
- Communications Simplified Part 1 73 1996-01.pdf
- Complete solutions for next generation wireless connected audio.pdf
- Control of RF Interference.pdf
- Distortion Levels in RF Clipping.pdf
- Electromagnetic Spectrum, The.pdf
- Electronic Systems Part 2.pdf
- Electronic Systems Part 5.pdf
- Electronic Systems Part 6.pdf
- Electronic Tuning.pdf
- Eliminating Interference.pdf
- Exploring for Electromagnetic FIelds with a Telephone Induction Coil.pdf
- Faster than Light Communication - Maybe.pdf
- Feedline Primer.pdf
- FM - The Basic Concepts.pdf
- Frequency Modulation and Sidebanfs.pdf
- Frequency Modulation Detector.pdf
- Handling Variable Data Rates.pdf
- High Speed Multimedia Radio.pdf
- How Diode Detectors Work.pdf
- How Radio Waves Work.pdf
- Hows and Whys of Coaxial Cable, The.pdf
- Impedance of Twisted Pairs.pdf
- Inexpensive Hardline.pdf
- Introducing Spread Spectrum.pdf
- Lossless propagation (2).pdf
- Lossless Propagation.pdf
- Microstripline Parameters.pdf
- Modulation Systems.pdf
- Nomogran to Determine Modulation Percentage.pdf
- Paging By Numbers.pdf
- Pi Coupler.pdf
- PLLs in Communication Systems.pdf
- Practical Radar - Part 5.pdf
- Practical Radio Course - Part 38.pdf
- Programmed Lesson on AM Radio Fundamentals (2).pdf
- Programmed Lesson on AM Radio Fundamentals.pdf
- Pulse Modulators Circards.pdf
- Pulse Width Modulator with Digital Control.pdf
- Radiating cables.pdf
- Radio Direction Finding.pdf
- Radio Frequency Mixing Explained.pdf
- Radio Reception Developments.pdf
- Radio Transmission and Recption Basics Part 3 - EA 1684-08 - Tuning.pdf
- Radio Wave Propagation.pdf
- Radio Waves - What Makes Them Go.pdf
- RF Amplifier Experiment - FET Stick.pdf
- RF Applicaions of Dial Gate MOSFETS up to 500MHz.pdf
- RF Circuit Design Part 02.pdf
- RF Circuit Design.pdf
- RF-IF Circuits.pdf
- RFI-Intermodulation.pdf
- Secrets of Transmission Lines Part 01 73 1999-08.pdf
- Secrets of Transmission Lines Part 2 73 1999-09.pdf
- Secrets of Transmission Lines Part 3 1999-10.pdf
- Seleclivity - how a radio tells one signal from another.pdf
- Single Sideband Primer.pdf
- Solid State Design for the Radio Amateur 1986 - Hayward & DeMaw.pdf
- Some puzzles in radio engineering fundamentals.pdf
- Spread Spectrum Communications (2).pdf
- Spread Spectrum Communications.pdf
- Spread Spectrum Primer.pdf
- The Ubiquitous Coaxial Connector.pdf
- Transmission Lines Are a 2 Way Street.pdf
- Transmission Lines are a Two Way Street.pdf
- Use of Terminators.pdf
- Using the NE-602 Double Balanced Mixer in Amateur Radio Circuits.pdf
- Variable Capacitors in Tuned Circuits.pdf
- VLF and the Magnetosphere.pdf
- VLF Phenomena.pdf
- Walsh Functions in Telecommunications Part 1 WW 1981-12.pdf
- Wave Propagation and Reflection.pdf
Contact and submissions
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Viewers
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- Adobe Acrobat Reader (PDF)