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Design and build an 6 m dipole antenna from aluminum, tubing, that resembles the active element of a yagi beam antenna.

The AE6AC 17-meter Moxon antenna project details the construction of a wire beam using readily available materials. This design utilizes four 16-foot fiberglass crappie poles for support, joined at the center with 3/4-inch Schedule 40 PVC pipe and "T" slip fittings. Wire segment lengths for 18.135 MHz were calculated using _Moxgen_ software by AC6LA, with specific dimensions provided in feet and inches for precise cutting. Key construction decisions include joining the crappie pole bases into a central hub and attaching the 16-gauge silver-plated copper wire to the pole ends. Dacron cord with a fisherman's knot secures the wire to the pole tips, while small wire loops at the corners maintain antenna shape. Plexiglas pieces serve as insulators for sections "A" and "C." The finished antenna, weighing less than 10 pounds, mounts on a fiberglass windsurfer mast and incorporates a 1:1 current mode ferrite bead balun. Performance measurements with an _MFJ-259B_ show an SWR better than 1.5:1 across the 17m band, with good front-to-back ratio and reported signal strength improvements of 2-4 S-units over vertical dipoles. Initial contacts included VK2AXB, ZF6GS, and KL1M.

This article loaded with nice pictures and schematics, describes a 160-10 meter linear amplifier that uses a pair of 3-500Z triode power tubes. It was designed and constructed by William Moneysmith, W4NFR. The amplifier features fast warm up and 1500-Watt RF output with 100-Watts of drive.

The N3UJJ multi band cage dipole antenna project thay can fit a small property

Magnetic loop for 20 to 6 metres pedestrian mobile by VK3YE

This project hereby presented is a complete HAM radio simplex 'smart' repeater, built around a Motorola GM-350/950, Arduino NANO board and a WINBOND audio recording integrated circuit

A cooperative venture between MSUARC and Calloway County Fire and Rescue

A simple fixed frequency SSB voice transceiver for the 7 MHz amateur band

An open collaborated project for creating base libraries and applications to allow the passing of information from the host computer to the D-STAR radio and vice versa.

Modifying consumer off the shelf wireless LAN devices for specialized amateur use

10 meter propigation beacon project

Project to build sets of band pass transmitting filters for reducing the interference between HF transceivers operated in close proximity

An homebrew Lindenblad antenna designed specifically for LEOs reception.

A magnetic loops for HF pedestrian mobile project by VK3YE

A compact 2 element W8JK beam antenna for 20M to 10M bands by AF6SA

A K9AY loop antenna project done with Far Circuits pc boards for the antenna switch and bandpass filter and preamp by K7SFN

Mounting on Roof or at Ground Level? Why ground plane antenna works better at lower level.

EggsHam is a PalmOS application that generates (and grades) _practice_ amateur radio licensing exams. It is for people interested in obtaining an amateur radio license in the US, who want to practice for the Technician, General, or Extra written exam.

A simple to build full length 20/40 dipole antenna to be used in inverted vee configuration

AF6SA USB antenna AZ-EL rotor controller compatible with Yaesu G-5500, G-450, G-650, HY-Gain and other AC motor rotors

An indeal stealth antenna made by multiple quarter wave verticals, supported by a tree.

An Homebrew 10 Meter transceiver

The purpose of this project is to build a smart switch A smart swith is a swith that needs a short press and the power will be turned ON.

An high gain long yagi antenna, seven elements, for six meters band

hamelmer.com

A simple coax cable tester built based on the KG0ZZ project.

Receiving rhombic antenna experiments by Jelmer PA5R

On these pages you will find articles and pictures reagarding a renewed Drake TR7 by DK4DDS

Aduino-based Amateur Radio Antenna Rotator Controller that can emulate the Yaesu GS-232A or GS-232B interface by K3NG

Taking the venerable SMK-1 design to 20m and adding an RF amp, audio filter, and a TiCK Keyer ... by Wayne McFee, NB6M

End-Fed Half Wave matching unit project, based on a FT140-43 with SWR plot tests made using capacitor and without.

If you want to build a cw decoder without using other active components than an atmel 328 - Arduino UNO , then this is sure something for you.

A Slim Jim Antenna project

A family of small size QRP SSB transceivers for the 15 MHz. Includes a cigarette pocket size QRP transceiver and a larger shirt-pocket transceiver.

Schematic of a homebrew receiver and keying

W5UXH version of OZ1JHM Morse Code decoder project

The AB2RA bowtie 80 meter antenna includes also a 40 meter dipole

An Arduino uno based project to control an MFJ 998 antenna tuner via Icom CI-V interface by VE1ZAC

A home made project for a 3 to 12 MHz signal generator

Do you want to measure antenna impedance at resonance? With this Antenna Scope, you have a simple RF Bridge for getting started in an exciting part of Ham Radio, building your own Antennas that work well

Operating a modern amateur radio station often involves integrating various software tools, and LogHX aims to provide a unified environment for Windows users. The software facilitates comprehensive QSO accounting, allowing operators to track contacts and manage both e-QSL and traditional paper QSL exchanges, including via QSL managers or direct methods. It also offers real-time QSO preview and integrates with popular callbook data for quick lookups. LogHX supports various logbook database searches and maintains statistics for numerous awards, a critical feature for serious DXers and contesters. The program handles logbook import and export in widely used formats such as _ADIF_ and _Cabrillo_, ensuring compatibility with other logging applications. Furthermore, it interoperates with Telnet clusters and third-party ham radio software, enhancing its utility in a networked shack environment. Key functionalities include antenna rotator control, editable macros for PSK, RTTY, CW, and SSB operations, and CAT control via _OmniRig_ or direct interfaces. Embedded modules like MMVari, MMTTY, and CWServer streamline digital mode operations, while its multi-window structure allows users to customize their screen layout, preserving valuable monitor space.

Born as a companion transmitter for the Yaesu FRG-7 receiver has become a stand alone tramsmitter for 160 meters band

An Antenna Mast Idea for a VHF/UHF antenna

Presents the construction of a 2-meter **Skeleton Slot Yagi** stack, detailing the design process and practical considerations for VHF operation. The author shares insights from building and testing this antenna, emphasizing its performance characteristics for local and extended range contacts. The project outlines the specific dimensions and materials used, providing a clear path for other radio amateurs to replicate or adapt the design for their own stations. The resource covers the unique aspects of the Skeleton Slot radiator, explaining how its geometry contributes to gain and pattern control. It includes discussions on impedance matching and feedline considerations crucial for optimizing power transfer and minimizing SWR. The article draws on real-world testing, offering practical results that validate the theoretical design. This project serves as a valuable reference for those interested in custom VHF antenna solutions.

30 Watt 50 MHz ham radio beacon de N6CA

Homebrew your PC sound card to radio interface with this circuit obtained from the pages of Ernie Mills WM2U.

On this page are designs for Dual Band 2M / 70cm antennas. All antennas are 50 ohm designed driver. These Yagis have a unique element called a Open Sleeve. 4 Element 5 element and 9 element Dual Band - 2M / 70cm antenna projects

Translates CAT PTT commands into COM port DTR line changes. Use COM port PTT instead of CAT PTT control.

An home made end fed half wave antenna with a tuner box by NG0R

Demonstrates the construction and tuning of a **20-17-15 meter fan dipole** using 12-gauge PVC insulated copper wire and an Alpha-Delta C kit feedpoint. The project details the use of 14-inch pine dowels with 6-inch spaced holes to maintain wire separation for the parallel elements. Initial tuning was performed at shoulder height, with final adjustments made after elevation to 38 feet, accounting for frequency shifts observed between ground-level and elevated antenna positions. SWR analysis graphs are presented, showing performance below 1:3 across the entire 20-meter band, below 1:2 for 17 meters, and below 1:3 for 15 meters. The author notes significant RX improvements of +3 to +9 dB, occasionally exceeding +20 dB, compared to a commercial Alpha Delta DX LB Plus. The total hardware cost for this DIY antenna project was approximately $90, with the author emphasizing the utility of an **antenna analyzer** like the RigExpert AA54 for precise tuning. The fan dipole also exhibits tunable resonance on 12, 10, and 6 meters, though with reduced efficiency. Performance comparisons on 20 meters showed the fan dipole outperforming the Alpha-Delta on long-path north-south DX contacts.