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WLOG2000 demonstrates a comprehensive logging software solution tailored for amateur radio operators, shortwave listeners (SWLs), broadcast listeners (BCLs), and CB enthusiasts. It integrates essential utilities such as DX Cluster and DXtelnet for real-time DX spotting, along with PSK and PSK-Pbbs capabilities supporting both TNC and PC sound card interfaces. The software also features radio and rotor control, CDbook interface functionality, and a wide array of other logging and operational tools, making it a versatile station management platform for various radio activities. Franco, HB9OAB, developed WLOG2000 to provide a robust, free logging solution, with continuous updates available from the homepage. The software supports popular digital modes like RTTY, SSTV, KGSTV, EASYPAL, FT8, and FT4, alongside traditional CW operation. It offers rig control for major manufacturers including Kenwood, Yaesu, and Icom, facilitating seamless integration with existing shack setups. Users can track awards like DXCC, WAS, WAZ, and WAC, and manage QSLs, enhancing the practical application for contesters and DXers.

An introduction to portable shortwave receivers and sw radio. What to look for in a good portable. Reviews of Sangean ATS505. Band info and frequecies.

Forum thread about possibility to extend VX-6R to freeband and 6 meters

Amateur Radio bandplan in a large PDF A3 format valid for Serbia and Region 2. This band plan can be donwloaded and printed on a color laser printer for optimal quality.

Web site updated several times per month. It covers all aspects of ham radio.

Tuning control of the Yaesu FT-736R multiband VHF/UHF transceiver.

A really simple receiving antenna for 80 and 160 meter dxing by WA2WVL

The mirror-image J-Pole is very easy to construct and requires only two T-Fittings plus a length of copper pipe.

PC power supply conversion for ham radio use. Slide show overview showing how convert PC Power supplies to ham radio use presented at the August 2007 FSARC meeting.

Eighteen-part tutorial on packet radio in HTML and ASCII format from Larry Kenney, WB9LOZ

Elmers Forum at eHam.net about the Yaesu handhelds radios VX3 VX6 VX7

All about amateur radio, police scanner frequencies. Frequency Listings for Kentucky, West Virginia, Virginia and others. Add your URL to the Scanner Link Page.

PA3FWM's software defined radio (SDR) page documents his extensive hardware and software development efforts between 2004 and 2009. Initial experiments utilized a direct conversion receiver with 90-degree phase difference, feeding a PC soundcard at 48 kHz sample rate, covering 24 kHz of spectrum around a 7080.5 kHz local oscillator. This setup, similar to AC50G's QEX 2002 article, allowed for basic I/Q signal processing to distinguish signals above and below the LO frequency. Limitations included fixed crystal frequencies, 16-bit dynamic range, and narrow bandwidth. Subsequent hardware iterations aimed for enhanced performance, incorporating external 24-bit ADCs with 192 kHz sample rates, connected via 10 Mbit/s Ethernet. A **MC145170-based PLL** and programmable octave divider provided a 58 kHz to 30 MHz tuning range. The **Tayloe mixer** was employed, with differential outputs feeding a PCM1804 ADC. An ATmega32 microcontroller handled serial data conversion to Ethernet frames, though without CRC calculation due to processing constraints. Later designs integrated AD7760 2.5 Msamples/second ADCs and a Xilinx Spartan-3 FPGA, enabling direct reception of 0-1 MHz spectrum and eventually 2.5 MHz bandwidth across the shortwave spectrum. Software was refactored to use an initial 8192 non-windowed FFT for efficient high-bandwidth processing. The project culminated in a two-way QSO on 21 MHz using the developed hardware and software, demonstrating transmit capabilities with a D/A converter. The system exhibited a 2.5 MHz wide spectrum display and a zoomed 19 kHz display, capturing signals like ionospheric chirp sounders and RTTY contest activity. Challenges included noise leakage from digital circuitry and cooling for high-power dissipation components.

Using the TS-2000 for packet and digital modes. How to connect the Kenwodd TS2000 to TNC

RSCW demonstrates a Linux/Unix command-line utility engineered for **Morse code** decoding via a computer's sound card. It specifically targets the extraction of weak CW signals from noise, operating on 8-bit, 8000 samples/second audio input, typically from `/dev/dsp`. The program outputs decoded characters to `stdout`, supporting user-specified speeds in words per minute (WPM) and carrier frequencies. While effective for machine-sent signals, it exhibits a 2-second decoding lag and requires manual speed input, making it less suitable for general-purpose, real-time contest operation. The resource details the program's components, including `rscw` (the main decoder), `rscwx` (an X11 graphical auxiliary for spectrum and internal signal visualization), `rs12tlmdec` (a specialized decoder for RS-12 amateur radio satellite telemetry), and `noisycw` (a utility for generating noisy Morse signals for testing). Installation instructions involve downloading a `.tgz` file, compiling with `Make`, and requiring the FFTW library (and GTK 2.0 for `rscwx`). Performance is illustrated with a .wav file example of a 12 WPM, 800 Hz CW signal at 12 dB Eb/N0, showcasing RSCW's near-error-free decoding of a test message. The site provides command-line examples utilizing `sox` for audio conversion and `noisycw` for signal generation, inviting comparisons with other decoding software and human operators, particularly for weak signal conditions.

Simple, inexpensive and easy to erect, this antenna provides directivity, low angle radiation and a small gain on a number of HF bands.

The Answer To Suburban DXing On the Low Bands - by Merv Schweigert, K9FD

Well documented Amateur Radio HF/VHF antenna projects, high power Russian GS35B RF amplifiers, mobile RFI solutions, related accessories, vintage radios, Six meter equipment, and useful techniques by K8CU are inside.

ICOM IC-V8000 modifications, manuals and schematics

An easy to make HF low pass filter form high power

If you find external wire antennas obtrusive for amateur radio or short wave listening, then this is the antenna for you, is just 1 meter diameter

Amateur Radio and Computer Show in BEREA, OHIO

Includes link to VX-150 manual in pdf format

Looking for Hams that want to experiment on VHF/UHF PSK/digital modes

WorldRadio Article on Petlowany antennas base on this principle: if a length of wire is wound into a spiral-shaped coil and excited by a radio frequency current connected to the innermost portion of the coil, it will then, and only then, exhibit RF characteristics that closely approximate those of a resonant linear wire of the same length

Tunes symmetric/coax/longwire antenna's between 1.8-50MHz

Here is the parts list and dim. sheet for a 6m Square Copper Dipole, made from copper water pipe

ARRL Laboratory Expanded Test-Result Report Kenwood TS-2000 prepared by American Radio Relay League, Inc. Technical Department Laboratory in pdf format

Features and specifications for discontinued yaesu ft-100d radio

Free Russian hamradio server special for radiofanats from CIS. Search engine on callsigns, electronic circuits and hamradio programs in www powered with knowledge base.

Eham members Yaesu VX-7R review

Classified ads at eham dot net. Buy and sell your second hand amateur radio equipment

RemoteHams.com permit to display and control transceivers all around the world

Antenna data, and design note for this horizontal loop antenna resonating on 80 Meters by K0ZE

A project for a 144 Mhz halo antenna

CQiNet is a family of programs that combine Ham Radio with the Internet using Voice over IP (VoIP) technology. Two programs are currently in the family, "theBridge" and echoLinux. Thebridge is a iLink/EchoLink compatable conference bridge that runs under various versions of Unix as well as Windows. EchoLinux is a EchoLink client program for the Linux operating system.

The Yaesu FNB-78 Battery plugs into the FT-897/D. It produces 13.2 VDC at 4500 mAh. The radio can hold one or two and one can be in use while the other is charging.

Dedicated to building bridges between the EME, SETI and Radio Astronomy Amateur Interest Groups.

An introduction to PSK31, MT63, and Hellschreiber, John DeGood NU3E Trenton Computer Festival in PDF

For amateur radio operators seeking to confirm two-way radio contacts, a QSL card serves as a traditional, tangible verification. ON5UR QSL Printing provides a service for designing and printing high-quality, full-color QSL cards, including options for full-color backsides. The service offers various paper weights, such as 250, 280, 300, and 400 grams, allowing hams to select a card stock that meets their preferences for durability and feel. Pricing structures are detailed for different quantities, with 1000 cards starting at 96.00 Euro for 300-gram stock with gloss laminate, inclusive of design costs. The service includes free QSL cards with larger orders, such as 500 free cards with a 2000-card order, or 500 free cards with a 7000-card order. Shipping costs are categorized into six zones, primarily covering Europe, with specific pricing for countries like Belgium (Zone 1) and a request-based system for other regions and export conditions outside Europe. Testimonials from operators like M0URX highlight the design quality and quick turnaround, which are crucial for DXpedition QSL managers needing efficient processing.

Publication for the video aspects of ham radio

This resource presents over 100 Q-signals, each with its corresponding question and answer format, as standardized by the International Telecommunication Union. The content delineates how these abbreviations can be expanded with additional groups, call signs, place names, or numerical data to provide specific context. It clarifies that a question mark following an abbreviation or its complementary information transforms it into a query. The document highlights that these operating signals, or Op Sigs, are prescribed for international use across all communication types, including military and non-military applications. It references their inclusion in Appendix 9 to the Radio Regulations Annex of the International Telecommunications Convention (Atlantic City) 1947 for QRA to QUZ blocks, and ICAO publications Dec 6100-COM/504/1 for QAA to QNZ blocks. The page specifically marks Q-signals of particular interest to amateur radio operators in red. The utility of Q-signals for concise communication in radiotelegraphy is evident, providing a structured method for conveying complex information efficiently. The resource serves as a practical reference for operators needing to quickly interpret or formulate messages using standardized codes, particularly beneficial for CW operation and international contacts.

There are many kinds of satellite antennas that will get you on the birds and allow you to have lots of fun

The **Black Cat CW Keyer** is a macOS application designed for amateur radio operators to transmit Morse code directly from their computer. It provides functionality for typing text to be sent, either immediately or buffered, and allows for the creation and transmission of pre-defined messages via single-key shortcuts. This software addresses the need for a flexible and accessible CW keying solution, particularly for Mac users who might find fewer dedicated ham radio applications compared to other operating systems. It integrates basic text-to-CW conversion, offering a straightforward interface for generating Morse code signals. Operators can utilize the Black Cat CW Keyer for various CW activities, including casual QSOs, contesting, or beacon operation. Its ability to buffer text allows for smoother transmission, while the single-key macro feature streamlines repetitive message sending, such as CQ calls or contest exchanges. While specific comparisons to other CW keying software are not detailed, its macOS focus provides a niche solution for Apple users. The program's utility lies in its direct approach to computer-based CW transmission, making it a practical tool for those seeking a dedicated **CW keyer** on the Macintosh platform.

Accessories for your hamshack, such as Band Decoders, various types of Antenna Switches, Antenna Stacking devices, special devices designed dedicated for the SO2R operating technique, USB Interfaces, cw keyers and many others

Manufacturer and direct seller of shortwave and ham radio antennas and accessories like TINYTENNA & YO-YO-TENNA

Amateur radio programs to download, locator , log, etc... for Psion Aprs maps for PC (ui-view)

NU9N recomendations for processed SSB, ESSB, AM Hi-Fi, Mid-Fi, Amateur Radio Audio Setup for transmiters, receivers and Amateur Radio Recording/Playback

Rolling your own transformers and chokes. Rewinding salvaged power transformers, considerations and step-by-step guide

CB2HAM is a group for licensed radio amateurs focussed on converting quality CB radios over to the Ham bands.