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A marriage of the windom and slinky antennas, experimental home brew antenna by NC4TC

A resource for the Ham Radio Awards Hunter

N3FJP's ARRL Field Day Contest Log 6.6.10 is a dedicated software solution for Windows 7 through Windows 11, specifically tailored for the annual ARRL Field Day event in June. This program provides essential contesting features such as duplicate checking, including partials, and a dynamic list of sections that change color upon being worked. It seamlessly interfaces with popular digital mode software like WSJT-X, Fldigi, and JTAlert via API, and supports rig control for most Elecraft, Icom, Kenwood, and Yaesu transceivers. The software also generates computer-generated CW via serial port or Winkeyer, plays wave files, and offers DX spotting capabilities. Operators can leverage its fully networkable design to allow multiple PCs to update a single log file simultaneously, enhancing club operations during Field Day. The program outputs ASCII log, dupe, and summary files for contest submission and provides real-time statistics. A quick start video is available to guide new users through the basics of the software. Registration for permanent use costs $8.99, or it can be obtained as part of the N3FJP Software Package, which includes over one hundred amateur radio programs for a one-time fee of $59.99.

Report of solar & geophysical activity

Free Morse Code CW training software for Android supporting the Koch method by IZ2UUF David

A complete list on Long Beach Frequencies. Long Beach Police Penal Codes, and Police 10 Codes

A homebrew fishing-rod vertical using a very nice design from EB5EKT. This antenna works 20, 30, and 40M bands by selecting the tap points using alligator clips

Article about magnetic loops, construction notes and diagrams

Mobile scanner antenna or Base station scanner antenna, scanner manuals and scanners

RDXCluster is a free windows telnet client for worldwide DX packet Cluster,featuring multiple spot windows, Band/Mode DXCC window, DX History window, Top DX window, Find, highlights, filters the spot by Roberto Verrini

CW keyers, Logikey, and antenna rotator controll like rotor-ez, and active audio low pass filters.

This antenna allow transmission and reception on all bands between 7Mhz and 28 Mhz. Similar in concept to the Miracle Whip by VK3YE

30/17/12 and 20/15/10-Meter Tribanders and a 40 meters inverted V wire yagi antenna

Without this basic knowledge, addressing antenna problems, RFI problems, and matching problems, results in a frustrating situation. Procedure which must be followed to properly adjust a shunt matching coil.

Post with opinions on the Yaesu FT-897

Rewiew and notes on IC-756

W4RNL tutorial on on inductively coupled (link-coupled) antenna tuners

Alpha 77D,DX,SX, Alpha 76, Alpha 78 and 374 repair service and upgrade kits

Designs and manufactures a comprehensive line of microwave communications equipment for television broadcast, video, telemetry, and electronic surveillance applications.

This project outlines the construction of a 3-element reversible quad antenna specifically designed for the 40-meter band. The materials required include pushup towers, pressure-treated posts, insulated wire, and various electrical components such as relays and a balun. The construction process is straightforward, beginning with the installation of the posts in a straight line, followed by the assembly of the antenna elements and their elevation to the desired height. The antenna's design allows for directional signal reception, making it ideal for operators looking to enhance their communication capabilities on the 40-meter band. The project includes detailed instructions on tuning the antenna for optimal performance, ensuring that operators can achieve the lowest SWR possible. Additionally, the design can be adapted for other bands by extrapolating dimensions, providing versatility for amateur radio enthusiasts. Overall, this reversible quad antenna project is suitable for both beginners and experienced operators, offering a practical solution for improving signal strength and directionality in 40-meter communications.

W4TI review the popular Yaesu FT 857 quadriband transceiver

Custom built amateur radio adjustable antennas and accessories. Screwdriver antennas, antenna controllers

List of IOTA prefixes provided by QRZ.com

This page shows a homebrew vertical antenna based on the Pac-12 antenna design.

Pictures of a 2 meter, 220, 440 copper J-Pole antennas

Icom PCR1000 driving program for Mac available at yahoo groups, login required.

Put up the longest dipole you can fit, feed it with open wire line, connect it to the balanced output of your tuner and poof! Instant multiband antenna. Is life really that simple?

The TU2T DXpedition log provides a critical resource for verifying contacts made during the 2011 operation from _Ivory Coast_. This online tool allows operators to quickly confirm their QSOs, which is essential for QSLing and award applications. Users can typically search by callsign, date, or band to locate specific entries, ensuring accuracy for their personal logbooks. Such online logs are indispensable for DXers pursuing awards like **DXCC**, as they offer immediate confirmation of rare or distant contacts. The ability to verify a QSO without waiting for a physical QSL card significantly streamlines the award application process. This particular log facilitates the confirmation of contacts with the TU2T operation, a highly sought-after entity.

Band audio equalizer and noise gate compatiable with ICOM, KENWOOD, YAESU and other radios

Collection of modifications notes for the Kenwood TS850

An interesting page about Quad antennas. Modelling QUAD antennas, comparing quad antennas to yagi antennas. Information on QUAD Antenna tuning and home brewing with help on calculating dimensions and tuning.

HF Linear amplifiers and power supplies manufacturer

If you're one of the many hams whose principal operating mode is SSB, then the easiest way to increase your enjoyment of the hobby is to use CW. If you disagree with that statement, then there's a good chance, if you're honest with yourself, that the reason is because you have never been good enough at Morse to make using it an enjoyable experience

List of mods for the ICOM IC-7000 with many PDF Files

A Mini Moxon antenna for 40 meters band project in a well done PDF document

MobileLog is a logging package for the PocketPC. It features DXCC reports, searching, alerts, and inport/export.

CyberDX-CW is a software simulation of an amateur radio station monitoring the world. Generates a simulated radio environment, where the operator can tune all of the HF bands and actually hear computer generated station activity

Measurements that show it doesn't make much difference

Canada's Largest Electronic Surplus Store

Orange County Sheriff Live Audio Feed at radioreference. Florida USA

Why 6 meter hams design the best antennas

The Ameritron AL-1200 Amplifier is in current production. In its factory configuration it uses a single 3CX1200A7 (triode) tube, grounded grid configuration. Re-tubing the AL-1200 with a GS-35b with success.

The diagram below shows the basic arrangement of the 2m Half-Wave version of the antenna. A 6m diagram is available too.

KB6NU article on W3EDP antennas

What is ground?RF ground and the ground plane, how can I tell if I have a good ground? ground loops

Satellite tracking on the iPhone/iPod touch. Track and predict visible satellite passes. Touch a satellite in the map view to see it’s orbit path and location.

A monoband yagi for 14 MHz a PDF article from 73 amateur radio magazine by AB4GX

Surplus and electronics parts. On-line catalog available.

Amateur Radio License exams are composed of questions from a pool. Use this application to practice all possible questions prior to taking your exam

Antenna was designed for SO-50 satellite operation but can be used for any VHF/UHF activity. It's a mix of a Moxon Antenna and a Yagi antenna. It has gains 4 dBd on 2m and 6.5 dBd on 70cm bands and it is fed via single 50 Ohm cable.