mardi 12 mars 2024

• Spectrogram
  Software/Spectrum analyzers Spectrogram, a PC-based audio frequency spectrum analyzer available from Visualization Software, aids ham radio enthusiasts in aligning receivers like Elecraft K2. Versions are downloadable, with an intuitive interface and customizable parameters. Tutorials by (...)
  
  

lundi 11 mars 2024

• T32EU East Kiribati
  DX Resources/DX Peditions/2024 DXpeditions 13th until 27th March 2024, Kiritimati OC 024, CW and SSB and RTTY and FT8 DX Pedition
  
  

dimanche 10 mars 2024

• Top Amateur Radio Websites - Issue 2410
  Field-Tested VP2E Antenna, 3 Band Mono Loop Portable Quad, VHF Repeater with a Raspberry Pi, DIY Tree Antenna Launching: Cheap and Effective, OpenRTX, Wire on the Ground: Portable Radio Success with Grasswire Antenna, LoRa APRS Tracker or Igate on 433Mhz, IARU Region 2 (...)
  
  
• Hamstick Experimentation: A Day of Surprising Results
  Operating Modes/Portable Operations In his POTA activation, WK4DS experimented with radials for hamstick antennas. Despite sun and RF noise challenges, successful connections were made. Surprisingly, tuned radials proved unnecessary, simplifying setup. Hamsticks demonstrated versatility across (...)
  
  

samedi 9 mars 2024

• Optimizing TX/RX Levels in WSJT-X
  Operating Modes/FT8 Exploring digital radio modes, the author rethinks how to adjust transmit and receive levels in WSJT-X. Despite effective communication using Yaesu's settings, a new procedure aims for better performance. For RX, set audio device levels to 100%, disable AGC, and adjust RF (...)
  
  

vendredi 8 mars 2024

• Automatic Magnetic Antenna Tuner
  Antennas/Magnetic Loop A Magnetic Loop Antenna is a resonant circuit employing a large inductor and adjustable capacitor. Efficiency depends on the inductor's size relative to wavelength. A Magnetic Loop Controller adjusts antenna tuning in real-time, syncing with Transceiver VFO movements. It (...)
  
  

jeudi 7 mars 2024

• Versatile Field Radio Kit
  Operating Modes/Portable Operations Alan (W2AEW) shares his comprehensive portable field radio kit, showcasing various antenna options and accessories for POTA activations. The kit, housed in a repurposed camera bag, features the Elecraft KX2 Shack a Box, AX1 antenna kit, and additional (...)
  
  

mercredi 6 mars 2024

• Building Your HF Packet BBS: Linux Packeteering
  Operating Modes/Packet Radio The guide details setting up a comprehensive HF packet BBS using linBPQ on a Raspberry Pi. Exploring linBPQ's versatility and community support, the author emphasizes its legality considerations and cross-platform accessibility. Configuration files for linBPQ, (...)
  
  

mardi 5 mars 2024

• K6MM 160m Antenna Modifications
  Antennas/160M After a storm damaged the antenna, W6AER replaced it with a pre-made capacitance hat from DX Engineering. Using hose clamps and conductive grease, he ensured durability. Experimenting with radials and a coil, he aimed for better performance and (...)
  
  

lundi 4 mars 2024

• Top Amateur Radio Websites - Issue 2409
  Mini Satellite-Antenna Rotator Mk1, Receiving NOAA Weather Satellite Images, Online LInked Dipole Designer, How to use AI to identify Radio signals , LoRa in Amateur Radio, Moxon Mania - Building the Ultimate 4-Band Moxon Antenna, Python Telegram bot for QRZ.com (...)
  
  
• DIY Portable Car Whip Antenna
  Antennas/Mobile Being frequently away from home, the author owner of an Elecraft KX3 missed the opportunity to work /M. They devised a portable antenna solution, incorporating a coil and car body, enabling multi-band tuning. Despite its unconventional design, the antenna exhibits promising (...)
  
  

dimanche 3 mars 2024

• Down East Microwave Inc
  Manufacturers/Transverters Manufacturer of 50MHz, 70MHz, 144MHz, 222MHz, 432MHz, 900MHz or 1.2GHz transverters and VHF UHF amplifiers
  
  

samedi 2 mars 2024

• TX5XG Austral Islands
  DX Resources/DX Peditions/2024 DXpeditions TX5XG DXpedition to Austral Islands March 27, April 3 2024
  
  

vendredi 1er mars 2024

• Mountain QRP Club Italy
  Ham Radio/Clubs/Technical Specialty/QRP Clubs Official web site of the Mountain QRP Club Italy
  
  
• Tuning OCF L-Dipoles
  Antennas/OCF The behavior of a straight dipole and its L-form is examined in terms of impedance and SWR. By adjusting the feed point or bending angle, impedance variation is observed. Impedance shifts symmetrically as the feed point deviates, leading to recommendations for optimal ratios. Model (...)
  
  

jeudi 29 février 2024

• H40WA Log Online
  DX Resources/Logs H40WA online log seatch and OQRS by M0URX
  
  

mercredi 28 février 2024

• H40WA Temotu DX Pedition
  DX Resources/DX Peditions/2024 DXpeditions Temotu 2024 DXpedition February 22nd, 2024 - March 7th 2024.
  
  

mardi 27 février 2024

• bcTool
  Software/Radio Programming bcTool is made to be an easy app. It helps you program, control, keep records, and set up your Uniden Bearcat Dynamic Memory Scanner. With bcTool, you can: Set up all your scanner settings easily, like broadcast screens and searches. Quickly see what your scanner has (...)
  
  

lundi 26 février 2024

• Reliable Emergency Power: Solar Solutions
  Technical Reference/Alternative Power In a quest for reliable emergency power, the article discusses the necessity of accessible power solutions amidst blackouts and energy crises. It introduces the American-made Merlin Panther 100-watt solar briefcase and budget-friendly LiFePO4 batteries. The (...)
  
  

dimanche 25 février 2024

• Hostilog
  Software/Logging Hostilog is a logging program for HamRadio it uses a very easy way to enter qso data without any usage of a mouse. You can enter around 300 to 400 QSOs per hour from a paper written logbook, which is really quick compared to other logging programs. Combining and sorting of ADI (...)
  
  

samedi 24 février 2024

• Top Amateur Radio Websites - Issue 2408
  Ribbit digital text messaging mode for HF/VHF/UHF , Building a Raspberry Pi Satellite Tracker Interface, Raspberry Pi Pirate Radio, Arduino Digital Transceiver Project, M17 digital radio protocol for data and voice, HamXposition,
  
  
• IQ Output for the Elecraft KX2
  Radio Equipment/HF Transceivers/Elecraft KX2 Adding an IQ Output to the Elecraft KX2 Transceiver
  
  

vendredi 23 février 2024

• Mastering Magnetic Loop Antenna Control
  Antennas/Magnetic Loop Unveil the secrets of efficient Magnetic Loop Antenna control systems, eliminating the hassle of frequent retuning. With real-time tracking and compatibility with various transceivers, including popular models from Elecraft, ICOM, Kenwood, and Yaesu, this controller (...)
  
  

jeudi 22 février 2024

• W2LCW Long Island CW Club
  Ham Radio/Clubs/North America/USA/New York Established in 2018, the Long Island CW Club aims to revitalize Morse Code (CW) usage among amateur radio operators. Despite the FCC's removal of CW as a licensing requirement, the club observes a growing interest in learning and mastering the code. (...)
  
  

mercredi 21 février 2024

• DXTRON DX Cluster
  DX Resources/Clusters Web DX Cluster provided by QRZCQ web site.
  
  
• 8R7X Log Online
  DX Resources/Logs 8R7X Guyana 2024 online log provided by clublog
  
  

mardi 20 février 2024

• Evolution of Car Radios: From Marconi to Motorola
  Operating Aids/History his historical account traces the development of car radios from Marconi's mobile wireless telegraph station on a steam engine vehicle in 1901 to Motorola's iconic car radio models in the 1930s. It highlights key milestones such as Alfred Grebe's radio-telephone (...)
  
  

lundi 19 février 2024

• Magnetic Loop Antenna Builds and Autotuning Advancements
  Antennas/Magnetic Loop Explore two magnetic loop antenna constructions, utilizing a 6-foot and a 12-foot square loop. Accompanied by a detailed description, the 6-foot loop features a built-in stepper motor control circuit, while the 12-foot loop incorporates a separate loop controller. (...)
  
  

dimanche 18 février 2024

• FISTS Log Converter
  Software/Log Converters FISTS Log Converter simplifies various tasks for amateur radio operators. It aids in tracking FISTS Awards, submitting applications, and creating logs for FISTS Activities in Europe like the Ladder and EuCW Snakes & Ladders. Users can generate callsign checklists and (...)
  
  

samedi 17 février 2024

• Top Amateur Radio Websites - Issue 2407
  Durable 2-Meter Yagi Antenna: PVC and Window Line Construction, APRS LoRa Weather Station , The CW Flea: Modern Morse Transmitter with Arduino, TxTopper QRP Amplifier, Enhancing Performance with a Cage Dipole for Six Meter Band, AI-Powered Radio Signal Cleanup: Battling QRM in Real Time, Ham (...)
  
  
• MorsePractice
  Software/Morse Code Training MorsePractice is a Java application originally written by Martin Minow (K6MAM) as an aid to learning Morse code. With morse practice you can select the digits you want the app to be transmitted. Additionally can be selected a random phrase, or random (...)
  
  

vendredi 16 février 2024

• Telescopic Fiberglass Antenna Pole Support Method
  Antennas/Masts and mounts Supporting a telescopic fiberglass antenna pole for ham radio operation. Rather than cumbersome methods like using angle iron or PVC pipes, author employs lightweight tent stakes, toggles, and paracord to secure the pole effectively. With careful knot tying and simple (...)
  
  

jeudi 15 février 2024

• Full size 80m End Fed Half Wave Antenna
  Antennas/80M The author reflects on expanding their antenna for 80m coverage during lockdown. They extend the End Fed Half Wave (EFHW) using a Spiderbeam pole and "cheating" by dog-legging across their garden. Despite challenges, they achieve coverage for multiple bands with minimal cost. (...)
  
  

mercredi 14 février 2024

• ShortwaveDB Map
  Shortwave Radio/Broadcasters Worldwide Map of shortwave transmitters. Based on shortwave schedule database, this website let you serarch using filters for broadcasts schedule and at the same time to diplay the transmitter map.
  
  

mardi 13 février 2024

• LogConv
  Software/Log Converters LogConv is a versatile utility designed to convert Amateur Radio log files between various formats such as ADIF, Cabrillo, CT9, CT10, EQF, and TR Log. It offers both GUI and Command line versions for user convenience. LogConv normalizes QSO data, breaking it into (...)
  
  

lundi 12 février 2024

• Top Amateur Radio Websites - Issue 2406
  CQ DX World Map, Baluns and Ferrites Basics, Greencube (IO-117) Guide to Setup, Software and Operation, Baofeng UV5R TRRS Adapter, 2m Slim Jim portable antenna for SOTA, Scan and Showcase Your QSL Cards, DragonOS Focal , Tassie Scanner, LoRA Collinear Antenna, APRS via (...)
  
  
• 4m Tall Vertical Dipole for 20m
  Antennas/20M/20 meter Vertical Antennas Constructed in May 2008, this innovative 4m tall electrically full-size halfwave vertical dipole, tunable to multiple bands, offers HF coverage despite its space-saving design. Inspired by cost-effective DIY alternatives, the antenna design departs from (...)
  
  
• CB0ZA Online Log
  DX Resources/Logs CB0ZA Log Online for Robinson Crusoe Isl DX Pedition IOTA SA-005 via clublog
  
  

dimanche 11 février 2024

• G4WIF End Fed Half Wave Antenna
  Antennas/End-Fed Opting for a visually appealing inverted L configuration, G4WIF anchors the End Fed Half Wave antenna to an old clothes line pole, seeking cost-effectiveness in their endeavor. Despite initial misconceptions about transformer components, a £7.95 investment in a T240-43 toroid (...)
  
  

samedi 10 février 2024

• Boondock Echo 2 way ham radio recorder
  Software/Audio Recorders Boondock Echo offers a revolutionary communication experience with an internet-backed recording and playback device for two-way radios. It ensures clear, reliable communication in remote or challenging conditions. Key features include real-time recording, internet (...)
  
  
• DIY EMC/RFI Mains Filter for a Clean Shack
  Technical Reference/Radio Frequency Interference/Noise Reduction Utilizing snap-on ferrite cores and practical insights, the author enhances their shack's cleanliness against electromagnetic interference. With meticulous experimentation and installation, they improve noise levels across HF (...)
  
  

vendredi 9 février 2024

• Exploring the Spectrum From HF to UHF Frequencies
  Propagation/Beginner's Guide During radio's early days, high frequencies were under 30 MHz due to technical limitations. As understanding grew, components improved, allowing for higher frequencies like VHF and UHF up to 3 GHz. The HF band's long wavelengths provide unique propagation (...)
  
  
• CB0ZA Robinson Crusoe Isl DX Pedition
  DX Resources/DX Peditions/2024 DXpeditions Robinson Crusoe Island DXpedition February 10-24, 2024 Grid Square FF06 – IOTA SA-005
  
  
• Building an Enhanced APRS IGate with Debian 12 and Raspberry Pi
  Technical Reference/APRS The guide outlines necessary components, including a 2m FM analog radio, USB audio adapter, and Raspberry Pi. Building a cable to connect these elements is assumed, as is knowledge of Raspberry Pi OS (...)
  
  

mardi 6 février 2024

• Innovative 2m to HF Converter
  Technical Reference/Transverters Ulrich L. Rohde N1UL conceived an outstanding 2m to HF receiving converter with specific requirements, including 144-148MHz to 28-32MHz coverage, low noise, high IP3, and a unique modular design. The design decisions emphasize modularity, absence of (...)
  
  

lundi 5 février 2024

• Antennas for QRP Operation
  Operating Modes/QRP Antennas for low-power operation resemble those for 100W use. Minor adjustments, like capacitor voltage ratings, may apply, but basic principles persist. Portable antennas, notably Backpack Antennas for weight-conscious setups, hold relevance beyond QRP. While some antennas (...)
  
  

dimanche 4 février 2024

• Adapting Standard Headset Mic for Yaesu FT-8900
  Technical Reference/Mic wiring Explore the process of creating a custom adapter for the Yaesu FT-8900 radio with a non-standard mic port. The article guides users through understanding the reversed pin-out of the RJ-12 connector on the 8900, providing a detailed circuit for adapting the voltage (...)
  
  

samedi 3 février 2024

• Top Amateur Radio Websites - Issue 2405
  
• Budget-Friendly 5-Element Quad Antenna Design
  Antennas/2M Constructing a 5-element quad antenna, the author aimed for low cost and simplicity, resulting in an effective design with 11 dBi gain and SWR of 2:1 or better across the 2-meter band. Using wood and dowels, the antenna costs under $8 and takes less than two hours to build with (...)
  
  
• GMA Maps
  Operating Aids/Maps GMA provides an on-line google-map based map with overlays for sota, iota, wwff, lighthouse, mills