Posts
- Building Your Own Folded Beverage Antenna for HF Bands
- Build a High-Precision DIY RF Current Sniffer
- DIY Double Dipole Antenna for 50 MHz Band
- Small Magnetic Loop: A Guide to the Foldable 40m-17m Stealth Antenna
- Super Mini Loop Antenna: A Compact Multi-Band HF Performer
- Radio Waves Weekly — Issue #009
- Radio Waves Weekly — Issue #008
- The Half Square Antenna: Low-Profile DX Wire for HF Bands
- Getting Started with AIS: Track Ships from Your Shack with a RTL-SDR
- Radio Waves Weekly — Issue #007
- V32: The Mystery Spy Radio Station Broadcasting in Farsi — and Nobody Knows Who's Running It
- FT2 Digital Mode: Latest News, Software Updates, and Ham Radio Adoption
- Low-Loss Feedline on a Budget: Building 450 to 600 Ohm DIY Ladder Line from Common Materials
- Radio Waves Weekly — Issue #006
- Build a Multi-Band Doublet Antenna for Wideband HF Operation
- The FT2 Schism: When a New Digital Mode Split in Two
- Sporadic E Propagation: The Science Behind Long-Distance FM Radio Reception
- Fan Dipole Antenna: Two Bands, One Feedline, Zero Compromises
- Baofeng UV-5R Mini: Compact Dual-Band Powerhouse
- Radio Waves Weekly — Issue #005
- Join the 8-Meter Experiment: Monitor FT8 on 40.680 MHz with WQ2XDM
- FT2 Digital Mode: Speed King With Serious Growing Pains
- FT2: The Fastest Digital Mode in Amateur Radio
- FT2 – A New Digital Mode Hams Are Starting To Spot
- Beginner’s Guide to HF SSTV Setup with SSB Transceivers
- Build Your Own 6m Delta Loop Antenna: A Simple Weekend Project
- Honoring the Silent Keys of the Titanic: Special Event Station EG1912T
- The Complete Guide to HF SSTV: From History to Your First Transmission
- Radio Waves Weekly — Issue #004
- Reverse Beacon Network: The Ultimate Guide for Ham Radio Operators
- uBITX Microphone Preamplifier
- Bi-Square Antenna: A High-Gain design for upper HF and VHF
- Building HF Linear Push-Pull Amplifier with IRF510 MOSFETs
- Practical guide to receiving HF weather fax WEFAX / Radiofax
- DIY 80m Magnetic Loop Antenna: A Compact Solution for Low Bands
- sBitx v5.301 Update: New Features and Improvements Explained
- Radio Waves Weekly — Issue #003
- W3DZZ Multi-Band Antenna 80m-10m Trapped Dipole
- 94-Foot Multi Band Doublet Antenna – Simple All-Band HF Wire antenna
- Mini Radio Pocket SI4735 Dual Core – Latest Firmware Update Brings EiBi Extensions & Power Saving Mode
- sBitx v5.3: A Detailed Look at the New Software Release
- A Compact 4-Meter Vertical Antenna for the 80-Meter Band
- Radio Waves Weekly — Issue #002
- Near Vertical Incidence Skywave (NVIS): The Definitive Guide to Reliable Regional HF Radio
- Extended Lazy-H Antenna: A Classic Multiband Wire Design from QST
- Half Loop Antenna for 80, 40, 20, and 15 Meter Ham Radio Bands
- ADSBee 1090: An Open-Source ADS-B Receiver Built for Modern Aviation Tracking
- Evolution of the ATS Mini: A Technical Deep Dive into V1 through V4
- Build a High-Sensitivity Regenerative Receiver with 2N7000 MOSFET
- Full Wave Loop Antenna for VHF UHF FM Radio Bands
- DIY Moxon Rectangle Beam Antenna for 10m, 15m, and 20m Bands
- Radio Waves Weekly Digest — Issue #001
- Building the LARCSet v3.0: Real-World Problems and Proven Fixes from the BITX20 Community
- Mighty Mite 5W Crystal Controlled QRP CW Transmitter
- Getting Started with FreeDV: A Beginner's Guide to Digital Voice on Amateur Radio
- Building Sovina 40M Class E CW Transmitter with BS170 MOSFETs
- Build a Powerful FM Radio Bug Transmitter
- Tree Mounted Quarter-Wave Vertical Antenna
- LinHT SDR: Open-Source Linux-Based Handheld Software Defined Radio for Amateur Enthusiasts
- Hotel Antenna for 2 Meter and 70 Centimeter Amateur Bands
- Building a Double Bazooka Antenna for HF and VHF Ham Bands
- Hourglass Loop Antenna : A Stealthy Performer for VHF and UHF
- Microphone Pre-Compressor Circuit for SSB Transceivers
- Simple Speech Processor for Homebrew SSB Transceivers
- Microphone Preamplifier with Diode Clipper for SSB Transceivers
- J-Pole Antenna Using 300 Ω TV Ribbon Line
- Twin-Lead J-Pole Antenna for VHF and UHF Amateur Radio
- Multiband Dipole Antenna for 10–80 Meters
- 3 x 5/8 Collinear antenna for 435 MHz UHF Band
- VHF Collinear J-Pole : The DIY Super J-Pole Antenna
- Housing the LARCSet: A Community-Designed 3D-Printed Enclosure
- 20–40–80 Meter Loaded Multiband HF Dipole Antenna
- NanoVNA Test Jig: A Practical Guide for Accurate RF Measurements
- 4:1 UN-UN Transformer for End-Fed Antennas
- 9:1 UN-UN Long Wire Transformer for HF Antennas
- 5/4 Wave VHF Antenna for 145 MHz Using 450-Ohm Ladder Line
- 3-Element Yagi antenna for 70cm UHF band
- FM Bazooka Antenna for Superior FM Radio Reception (88–108 MHz)
- Slim-Jim Antenna for FM Broadcast Band reception (88–108 MHz)
- Understanding the Bazooka Coaxial Dipole Antenna Design
- Stacked 5/8-wave VHF Antenna for 146 MHz
- ATS Mini Web Interface: Features, Setup & Browser-Based Radio Control
- W5GI Multiband Collinear Antenna: A Proven HF All-Band Wire Antenna
- DIY 1 MHz AM Transmitter: A Perfect Weekend Project for Beginners
- Sleeve Dipole Antenna Design Using Coaxial Cable – A Technical Deep Dive
- Integrating JTDX with sBitX for Advanced FT8 Operation
- Simple High-Gain collinear antenna using coaxial cable
- Mini-Radio Firmware V3 Adds RTTY/CW Decoding and EiBi Integration
- sBitx v3: The Linux SDR That Refuses to Be Boring
- MagSafe Breadboard Turns the iPhone into a Portable Electronics Prototyping Lab
- RW4HFN Balcony Antenna for the 20-Meter Band
- RA9SUS Simple Loop Antenna covering 14–30 MHz
- ZBitx: The Pocket SDR That’s Redefining Portable QRP
- Building a Andy 2E1TAP’s Shortened 40-Meter Delta Loop
- Shortened Vertical Antenna for the 80-Meter Band (UR0GT Design)
- Nextion Emulator for CEC Firmware — Alpha1 Release Brings uBITX Simulation to Desktop
- Dual-Band RW4HFN Antenna for 145/430 MHz bands
- OpenSourceSDRLab PortaRF: The Next Evolution in Portable Software-Defined Radio
- LARCSet kit - Most Affordable SSB/CW Transceiver Kit Released
- A Broadband Butterfly Antenna for VHF and UHF
- DIY Wideband CMC Choke Using Steel Wool and RG-213 – A Simple Common-Mode Filter
- VHF Radio Receiver Antenna Amplifier Using MAX2633 – Simple Low-Noise RF Preamplifier Design
- PhaseLatch Mini: An Affordable STM32-Based SDR Digitizer for Radio Experimenters
- Square Loop Antenna for 144/430 MHz – Complete DIY Dual-Band Build Guide
- Morgain Antenna: Dual-Band Dipole that Beats Traps
- How to Build a Reduced Size 40M Antenna – Complete DIY Guide
- Shortened Inverted V Antenna for 80 Meters (3.700 MHz)
- Build Your Own Multiband G5RV Antenna: A Classic Ham Radio Project
- DIY 145 MHz Twin Delta Loop Antenna for Ham Radio Operators
- UR0GT Broadband Avia Antenna (RW4HVN Mod): The Ultimate Wideband VHF Antenna Guide
- Simple 2M VHF Sleeve Dipole Antenna for Rapid Field Deployment
- Build Your Own High-Res FM Receiver: The DIY CYD 480×320 FM Radio Project
- Loaded Loop Antenna – A Practical Balcony HF Solution
- Mosquito TRX: Single-MOSFET 40-Meter (7030 kHz) CW Transceiver
- ZED Dipole Antenna – A Simple and Smart Design for VHF/UHF
- Faulkner FM Loop Antenna for Superior FM Reception
- Complete Guide to Flight Tracking with RTL-SDR: Multi-Feeding Setup
- Curumim Transceiver – World’s Smallest QRP CW Transceiver
- Building a Quarter-Wavelength Coaxial Collinear Antenna for 2 Meters
- Building the FBK Sleeve Antenna for VHF/UHF Amateur radio
- ATS Mini V4: The Pocket-Sized SSB Receiver Just Got a Major Upgrade
- Turning the NXP TEF6686 Car-Radio Chip into a Versatile Multiband Receiver]]
- Separating Signal from Static: Common Myths and Facts About Radio Antennas
- Shortened G5RV Antenna – DX Power in a Smaller Package
- High Gain Collinear Antenna for 145 MHz and 433 MHz Bands
- Popovic Dual Band Antenna for 2m and 70cm Bands
- Pocket SI4735 Dual Core Decoder – Latest Firmware Elevates ats Mini Radio
- Building End Fed Half Wave antenna (EFHW) for 40M - 10M
- Shrinking the Dipole: Building the Shorty Forty Antenna for 40M Band
- Build Your Own Indoor Antenna for 7 MHz HF Band
- 40m Vertical Antenna: Compact Base-Loaded Design for Powerful HF Operation
- Compact 40M HF Antennas: Short Dipoles & Short Verticals
- GM4JMU Shortened Dipole Antenna: Compact Performance for HF Bands
- kv4p HT project -Turning Your Android Phone Into a Ham Radio
- Revival of SLBC MW Broadcast on 1548 kHz via Former DW Trincomalee Transmitter
- Quansheng UV-K5/UV-K6 Radios Get New MCU, Firmware Risks
- 145 MHZ Delta Loop VHF Antenna
- Aperiodic Multiband Wire Antenna: A Simple and Effective Design
- Multi Band Capacitor Loaded Shortened Dipole Antenna
- HF Delta Loop Antenna
- H.J. Berndt’s Firmware for the ATS-Mini DSP Radio
- Hydra SDR RFOne Faces Criticism Over Performance Issues
- ATS Mini V3S Officially Launched: Battery Drain Issue Finally Fixed
- The Simple RF Indicator: A DIY Tool for Detecting RF Signals
- RadioSport SDR v1.7 Adds Crucial FM RDS Functionality
- NOAA's POES Satellites Approach Final Decommissioning Amid Delays and Community Nostalgia
- The Ultimate DIY Guide to Setting Up a GOES-R Series Satellite Receiver for High-Resolution Weather Imagery
- When Satellites Encroach: Ham Radio vs AST SpaceMobile
- How to Receive Stunning Weather Images from Meteor-M2 Satellites
- The End of NOAA-15 and NOAA-19: What’s Next for Weather Satellite Hobbyists?
- DIY Active Antenna: Boost Weak HF/VHF Signals
- Build a DIY Ion Detector: Detect Airborne Ions and Electrostatic Emissions
- Simple Incandescent Lamp Flasher Circuit Using 7555 Timer
- OSPI vs QSPI in ATS Mini Radio: How to Identify Your Flash Interface
- HackRF Pro: Great Scott Gadgets Unveils Powerful New SDR
- APRS.Chat : The Modern Mailbox for Your APRS Callsign
- Tiny FM Transmitter with Just a Few Easy-to-Find Components
- An End of an Era: Decommissioning NOAA-15 and NOAA-19 Polar Satellites
- 27MHz AM Transmitter Circuit for hobbyists
- AM Radio into an SSB Receiver with a Simple BFO Circuit
- Active AM Band Antenna for Better Reception
- Simple Receiver S-Meter Circuit for Your Radio
- Simple UJT Morse Code Practice Oscillator Circuit
- Automatic Battery Saver Circuit: Prevent Battery Drain
- Pink Noise Generator Circuit Using 741 Op-Amps
- Build a Simple Speech Processor Circuit Using LM358
- Simple UJT Crystal Checker Circuit: Test Your Crystals Like a Pro
- HydraSDR RFONE: A New Benchmark in Open Source SDR
- Build Your Own Hidden Transmitter Hunter RF Sniffer Circuit
- A Classic Active Antenna for 0.5–30 MHz
- Log audio Compressor Circuit for Smooth Natural Compression
- Audio Clipper Circuit Using BC547 and 1N914 Diodes
- Build a Miniature FM Transmitter - DIY Electronics Project
- Microphone Preamplifier with Audio Peak Limiter
- DIY 3-Transistor FM Bug Transmitter Using Piezo Mic
- How to Build a 3-Watt AM Radio Transmitter
- Build a Simple 40 Metre CW Transmitter Using 2N2222
- Simple FM Transmitter Using BC547 Transistors
- Build Your Own Two Transistor Radio: A Simple DIY Project
- Reflex radio: A Deep Dive into the one transistor radio
- Crystal Radio Explained - How to Build Your Own No Power Radio
- DIY Lithium-Ion Solar Charger for 2-Cell Batteries
- LILYGO T-Embed ESP32 SI4732 Radio: In-Depth Technical Analysis & User Review
- HydraSDR RFOne - Technical limitations and driver problems plague the promising hardware platform
- DIY IRF510 AM Transmitter Circuit
- Incandescent Lamp Flasher using IRF510 HexFET
- Signal Booster enhancing RF Performance of radio receiver
- Simple Signal Grabber Circuit for shortwave reception
- Simple DIY Active Antenna for Crystal-Clear Reception
- Crystal tester with a Simple Oscillator Circuit
- 80 meter 1W QRP Transmitter with Ceramic Resonator Control
- Build Your Own 90MHz Crystal Controlled FM Transmitter
- Build a Simple FM Band Transmitter Circuit
- ATS Mini vs ATS20+ Technical Comparison: Si4732 Limitations Exposed
- Alternative Firmwares for ATS Mini Radio: A Technical Guide
- Build Your Own Commando AM Transmitter
- ATS Mini Radio Wi-Fi Configuration for Automatic EiBi Schedule Updates
- HydraSDR RFOne: A Technical Overview and Comparison with Airspy R2
- TL081 Speech Processor for HF Rigs
- Build Your Own 80M CW Transmitter from Scratch
- Build Your Own Grenade AM Transmitter Circuit: A Complete Guide
- Build Your Own 40M AM Transmitter: A Classic Radio Project
- Mini FM Radio Transmitter
- Building a Classic Untuned Field Strength Meter
- Flipper Zero - A Comprehensive Technical Guide
- The Poor-Man's Transmitter: Building a Simple AM Radio Beacon from Vintage Electronics
- Building a Crystal-Controlled CMOS Oscillator: A Classic Circuit for Precise Timing
- Flashing Firmware in ATS Mini Radio: A Simple Firmware Update Guide
- NJM4558 Audio Compressor Circuit: Complete Schematic & Build Guide
- Build Your Own Solar Powered Radio
- Ham Radio Repeater Toneburst Module circuit
- Audible Continuity Tester for for Electronics Testing
- Build Your Own Simple Sine Wave Oscillator
- TL071 Audio Compressor Circuit
- A Beginner's Guide to ATS20+ Firmware Flashing
- ATS20 Radio Receiver: Comprehensive Review - Small Package & Big Performance
- Building Steve Quest's Simple AM Transmitter
- Audio compressor for microphone
- Exploring the LILYGO T-Embed SI4732 Radio Receiver
- Building an FT8 Digital Interface - Dive into Digital Modes
- Simple CW 74HC240 Transmitter using buffer IC
- Build Your Own Micro Power AM Transmitter!
- HydraSDR RFOne: A New Contender in the SDR Market Challenges the Airspy R2
- ATS MINI ESP32-S3 SI4732 Pocket Radio DSP Receiver - Technical Analysis
- Exploring the MSI.SDR: A Low-Cost Gateway into Software Defined Radio
- Terminated Antennas for HF Ham Radio: A Technical Guide
- Breathing New Life into an Old Workhorse: My Dell OptiPlex 980 RAM Upgrade Saga
- Terminated Mini Loop Antenna : Small Space Ham Radio Antenna
- Fixing Poor Audio Quality in uBITX V6.1 HF Transceiver
- Microphone Audio Compressor in Single Sideband Radio
- Can You Use MXR Dyna Compressor for SSB Radio?
- Microphone compressor using LM1458
- Condenser Mic audio amplifier: DIY Guide
- Dual microphone noise cancellation using LF351 Op Amp
- Series Modulated AM Transmitter
- Class C - AM Transmitter
- Noise Cancelling Condenser Microphone
- Microphone compressor using two transistors
- Dynamic speech compressor with audio preamplifier
- Simple two stage one watt AM transmitter
- Simple series modulated AM QRP HF Transmitter
- OXO QRP HF Transmitter
- Simple audio compressor for SSB HF Radio rigs
- NE555 based Microphone amplifier
- LM324 microphone speech compressor
- Amateur Radio -End fed Halfwave antenna - Web resources links
- Amateur Radio - Mike Preamplifier/Speech compressors/Audio Processors - Resources
- Really Cheap audio compressor
- Short linear loaded ham radio band HF antenna
- Do it yourself 80M Trapped dipole antenna
- SSM2167 audio processor for Baofeng Mic enclosure
- Simple mic compressor using 3 Transistors for HF rigs
- SSM2167 Microphone Preamplifier with compression for ubitx HF Transceiver
- Simple horizontal V antenna for NOAA weather satellites reception
- Ribless Programming cable for Motorola GM360/GM338 radio
- Decoding the Motorola GM300 Model Number
- Programming Motorola GM300 and GM338 with homemade cable
- Multiband Half wave end fed antenna
- DIY Programming cable for a Motorola GM 300 series two-way radio
- VK3YE’s AGC circuit for ubitx
- Rothammels Antenna Book - Translated and revised from the 13th German edition
- 1:49 UNUN using two stacked FT240-43 cores for endfed halfwave antenna
- Ten Minute QRP Transmitter
- Circuits - Sovina2 40M Class E Transmitter
- G4RAW 80M QRP TAG CW Transmitter
- VK4FUQ Optimized sloper antenna for 3.5Mhz
- Half Rhombic antenna with counterpoise
- Circuits - LM386 Audio oscillator
- Terminated End Fed Vee Antenna (TEFV)
- Circuits - Simple Crystal Tester
- Circuits - 40M tag QRP Transmitter
- Antenna - Foldaway Loop antenna
- Antenna - Rockloop HF Antenna for 10,15,20 metre ham bands
- Circuits - Pippin QRP Transmitter
- Circuit - Battery Low Power Indicator
- Circuits - 7 Mhz 5 Watts CW Transmitter
- Circuit - FM Bandstop Filter for RTL SDR
- Circuits - Simple zener diode tester
- DIY - Making printed circuit boards
- Video - Colombo International Radio Tamil service Inaugural day transmissions
- Circuits - 7MHz CW / AM QRP Transmitter
- Video - VWN Vasanth HF net Reception
- Video - Charminar net at 7080khz
- Beautiful images received from NOAA19 weather satellite with experimental V dipole antenna
- Video - NOAA19 weather satellite reception with experimental V dipole antenna
- Circuits - Offset tuning indicator for CW
- Circuits - Simple tester checks LCDs
- Video - KTWR DRM Transmission Reception
- DIY - 137 Mhz V-dipole antenna for weather satellites reception
- Video - AIR MUMBAI DRM Reception
- Video - AIR RAJKOT DRM Reception
- Circuits - White LED Torch
- All about GPS - Part II Nuts volts Magazine
- Digital Audio Broadcasting: Looking into the future
- WebSDR India - GRMS BENGALURU
- Video - Belgaum HF Net reception
- Video - Belgaum net in 7050 khz
- Video - ubitx3 with nextion display
- Video - Reception test of my ubitx v3 with nextion 2.8 inch screen
- Video - GEK 2X SSB Transceiver receiving BCDXNET
- Ebook ASOC study guide : ASOC Objective type questions
- Video - Reception HAMBEL Belgaum HF net in my RSP1 SDR
- Video - AIR MW DRM Reception
- Circuits - Dark Room Timer
- Do it yourself Shortwave Transmitter circuit
- Circuits - Check Digital Or Linear Circuits With The Flick Of A Switch
- MAX2633 based VHF Preamplifier using for entire VHF band
- Technical Article -Tutorial on Spread Spectrum Technology
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