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Here you can find Boatanchors on the air.

KWRTTY V1.1.3, released on February 4, 2008, is a freeware RTTY reception program designed for Windows operating systems (Win95 and higher, requiring a minimum 133 MHz Pentium processor and 32 MB RAM). Its primary function is to decode and log amateur radio **RTTY** transmissions, including the capability to set up a private RTTY mailbox that records only messages addressed to the user's callsign. The software is specifically optimized for receiving and logging marine weather reports from the DWD (Deutscher Wetterdienst), categorized by sea areas, making it particularly useful for sport boat operators. The duration of logging is limited only by available RAM. For its core functionality, KWRTTY requires the **MMTTY-Engine** by Makoto Mori, JE3HHT, as an interface between the sound card and the program. This engine, also freeware, needs to be copied into the same directory as KWRTTY. The program's design focuses on continuous logging of specific RTTY content, offering a specialized tool for both general amateur radio RTTY monitoring and dedicated weather report reception, distinguishing it from more general-purpose digital mode software.

A useful tool to make PCB

Lets you listen to your scanner across your own network, or via the internet. Shoutcast/ICEcast compatible broadcasting for Uniden and GRE scanners. Broadcast your audio from your PC. ScannerCast is a specialized broadcasting solution that enables users to stream scanner audio feeds over the internet. This software supports both Uniden and GRE scanner models with tag information capability, while providing audio-only functionality for other scanners. Compatible with standard streaming protocols, ScannerCast allows remote listening via common media players without requiring specialized client software. The program features customizable tag display, adjustable bit rates, and seamless integration with Radio Reference. Its efficient design replaces multiple legacy applications while improving tag/audio synchronization. ScannerCast operates efficiently across various Windows environments, making remote scanner monitoring accessible from any location with internet connectivity. Scannercast is no more supported or developed by it's author.

Sydney, Australia Area Police Scanner Frequencies

Easy to use CW Trainer for Linux. Adaptable for both the Koch and Farnsworth method of learning CW. Makes random tests or can read text from a file

Presents a comprehensive guide for constructing a broadband Hex Beam antenna, a popular directional array for HF operation. This design offers a compact footprint and excellent gain characteristics, making it suitable for limited space installations while providing significant performance advantages over omnidirectional antennas. The resource details the specific dimensions for a five-band Hex Beam covering 20, 17, 15, 12, 10, and 6 meters, emphasizing the critical element spacing and wire lengths required for proper resonance and pattern. It outlines the construction of the center post, spreaders, and wire elements, along with the feed point assembly, ensuring proper impedance matching. The project aims for a forward gain of approximately **5.5 dBi** on most bands, with a front-to-back ratio often exceeding _20 dB_. Building this antenna requires careful measurement and assembly, but the resulting performance provides a substantial upgrade for DXing and contesting.

80 meter vertical experiment by Bob Raynor N4JTE

Supplier of amateur radio equipment for 50MHz and above in New Jersey

The W1TAG LF Receiving Loop is a specialized antenna project for LF reception, designed to mitigate local noise and enhance weak signal pickup on the lower frequencies. This square loop, measuring 6 feet per side, utilizes 14 turns of #12 THHN wire wound on a PVC frame, offering a robust mechanical structure. The design incorporates a series-tuned circuit with a coupling transformer, allowing for tuning from over 400 kHz down to _45 kHz_ using a switched capacitor bank. Construction details include the use of 1.5-inch PVC pipe for the frame, with specific measurements for spreaders and drilled holes for wire threading. The two 7-turn sections of wire are connected at the center, providing an option for a center tap. The loop rotates on a 1-inch steel pipe, enabling directional nulling of noise sources. The tuning unit, housed in a box clamped to the PVC, employs a 1:2 step-up transformer wound on an _FT-82-77 core_ and uses relays to switch capacitance values from 50 pF to 6400 pF, providing precise frequency adjustment. The current setup connects to the shack via 100 feet of RG-58, feeding into a W1VD-designed preamp, with plans for a balanced, shielded twisted pair cable upgrade.

WSJT-X and MAP65, open-source amateur radio programs, facilitate weak-signal digital communication. WSJT-X covers VHF/UHF to HF, decoding subthreshold signals. MAP65 optimizes for VHF/UHF EME with JT65. Free and GNU GPL licensed, WSJT-X is on Windows, Linux, and OS X, while MAP65 is Windows-only, supporting SDR hardware.

How to redirect the CAT to the MIC socket on the Yaesu FT-897/857

Engaging in **QRP** operations, where amateur radio transceivers transmit at five watts or less, presents a unique challenge and satisfaction for many radio amateurs. This mode emphasizes efficient antenna systems, keen operating skills, and often, the art of **homebrewing** equipment to maximize performance under power constraints. Operators frequently utilize CW (Morse code) for its superior signal-to-noise ratio, enabling reliable contacts over long distances with minimal power. The VK QRP Club, formally known as the CW Operators' QRP Club Inc., serves as a focal point for Australian amateurs passionate about these low-power pursuits. The club fosters a community where members can share insights on antenna design, circuit construction, and operating techniques specific to QRP. It provides resources such as information on club nets and frequencies, Morse practice materials, and a platform for exchanging ideas among enthusiasts. Membership offers access to a network of like-minded individuals, promoting the continued development and enjoyment of QRP within the amateur radio hobby. The club's activities encourage experimentation and skill refinement, vital aspects of successful low-power communication.

Midland GXT-900 FRS/GMRS 30-Mile Range Two-Way Radio product review

Hexagonal wire beams for all hf bands, technical resource, EZNEC files, tools for antenna modeling and documentation. You can also order parts to build your own antenna.

This article refers mainly to the old Cushcraft 1/4 wavelength AV series of antennas (12AVQ, 14AVQ etc) hence the references to radials. The R series (R5, R7 etc) are 1/2 wavelength antennas, and the radials are NOT 1/4 wavelength resonant.

Ham Radio, Scanning, Marine, GPS and electronic web shop in Denmark

Provide components to the amateur who wants to construct their own gear and to the professional who wants to save money and time in prototyping their circuit design, Filters, HF Amplifiers, Splitter Combiners, VHF Amplifiers, ATV

Vintage Ham radio restoration, AM operations, radio history, and the largest vintage-only classified ad section.

N6RK computer to FT-1000 interface

Geog is a suite of programs written by Andy Talbot ( G4JNT ), some of which make reference to a database of UK terrain heights, to provide useful information for radio amateurs

Download chip64, freeware windows digital mode by IZ8BLY Nino

7.5 MHz wideband audio delivered via AMC-7 satellite transponder 5 provides a robust platform for disseminating amateur radio news. This service caters to operators seeking timely updates on regulations, technology, and DX news. The bulletin is accessible in both MP3 and RealAudio formats, ensuring compatibility with a wide range of devices and listening preferences. Regularly updated content keeps amateur radio enthusiasts informed about the latest developments in the hobby. The service covers a broad spectrum of topics, including contesting, digital modes, and antenna technology. By leveraging satellite and internet distribution, it reaches a global audience, making it a vital resource for operators worldwide. Listeners can expect a consistent flow of information, with new episodes released frequently. The service's commitment to providing high-quality content ensures that amateur radio operators remain well-informed and engaged with the community.

A 40 80 dipole antenna design by WA6ESC PDF File

Survey of galactic synchrotron radiation at 408 MHz in the south of England using a 10 metre dish and a Dicke radiometer

Recorded scanner radio traffic from police and fire department communications. Stockton Police scanner recordings of pursuits, fights, shootings, officer involved shootings, in progress high intensity calls.

How Ham Radio Works, by Gary Brown, Ham radio can be very portable and affordable. In this article, we will look at ham radio and show you how to get started in this wireless world

3 Band vertical Marconi-antenna for the bands 40, 80, 160 meters with a ground net of wires as radials.

no tune SSB/CW transceiver for 1296, 2304, 5760 and 10368 MHz

Lot's of antenna planning software mainly in dos version by G4FGQ.

optimum short-wave antennas, developed by hams for hams

Schematic for Data CAT Power and Key cable interface for the Yaesu FT-450

PathSim is a Windows program that can be used to simulate radio propagation paths using a soundcard and/or wave files as the source and destination.

Interfacing tips for ICOM IC-706MKII transceiver with a Collins 30L-1 linear amplifier

MARS, Israel's Antenna and RF System manufacturer, flat antennas for cellular, military broadband, multiband MF high power antenna

A short wave regenerative receiver project by Charles Kitchin, N1TEV

6x2 coaxial remote antenna switch, completed unit showing weatherproof relay box and station control unit.

By ON4CFC Pascal, describe how to build a Sperrtopf or Sleeve antenna for the 144 Mhz, PDF File by antennex

Page on amplification topics. From vacuum tubes to various components, discussion on stability and arcin causes.

Instructions to modify the ICOM IC-7600 to extend reception and trasmission

The Adonis Electric Co., Ltd. catalog details a range of amateur radio microphones, including mobile, desktop, and bike-specific models, alongside essential accessories. Featured products include the _FX-6_ flexible microphone and various interconnecting cables designed for seamless integration with transceivers from Icom, Yaesu, and Kenwood. The catalog also presents specialized items like microphone selectors, alternator noise filters, and peripherals such as voice memory units and double VOX controllers, enhancing operational flexibility for hams. These products are engineered to improve audio clarity and operational convenience for amateur radio operators, particularly in mobile and fixed station environments. The inclusion of conversion codes ensures compatibility across major transceiver brands, simplifying setup. The alternator noise filter addresses common mobile RFI issues, contributing to cleaner signal reception and transmission, which is crucial for effective DXing and contesting.

A multi-band inverted-V dipole for portable operation by GM3VLB

Gary Breed, K9AY experience with beverages on 40 meters

Free VHF/UHF/Microwave contest logging software for rovers and non-rovers - Runs under Linux, Windows, etc.

G3WZT design for a single stage bi-polar 100-150W Linear Power Amplifier for the 6M band.

The concept of the "Hula Loop" came after many years of building medium wave loops of varying size, shape and performance. Usually these loops are constructed on a square wooden frame, with wire being wrapped around the periphery

A shortened dipole for 40 meters band by Martin E. Meserve

If you want to use an RTL SDR USB dongle with Windows 10 and you experience problems, you may find this free utility very useful

LogView is a free post-contest log-visualisation tool, for analysing contest performance. It plots the QSOs in a Cabrillo-format contest-log on to one of 8 different maps by finding the position of each QSO from an online database of about 970,000 W/VE callsigns.

AEA Wireless Director Software Series turns PC's (running Windows 95/98/2000/ME or NT) into powerful tools that expand the use and power of SWR, Return Loss and Complex Impedance Analyzers.