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Identifying The Drake TR-7 Differences and Versions

Assembling the Small Wonder Labs SW+40 QRP Transceiver Kit documented by K4ICY

Electronic components and parts supplier: semiconductors, capacitors, diodes, transistors, resistors, and more since 2005

A basic article on audio cables, electrical wiring, cable lenght, data cables.

More than just a Ham Radio Blog – CQHQ is an informative, cynical and sometimes humorous look at what is happening in the world of amateur radio

No exotic claims are made for this antenna. Author just tried a few WSPR experiments on 40 meters and was surprised with the results. What appears below may inspire you to try something equally off-the-wall, to see what happens.

QSO Parties held around the area. Details about making the most of the many QSO Parties. A place where planning information, operating details and technical advantages are discussed

IC706_BKT CAT is used to control the transceiver Icom IC-706, IC-706MKII IC-706MKII/G and IC-718 from the personal computer. Works on Windows and is available in free and free donation version

Article about the microstrip antenna, which is also commonly referred to as the patch antenna.

How to make a Morse Code Oscillator

A blog about ham radio. A blog dedicated to cool stuff like ham radio, birdwatching and bus timetables

This software connects to a NanoVNA and extracts the data for display on a computer, and for saving to Touchstone files.

Antique radios for sale, RadioAttic publish private antique radios offered by indipendent advertisers and collectors

DTMF Keypad for radios without one. A project with picture and schematic diagrams to homemade a DTMF keppad

Entegrity wind systems is a leading manufacturer of commercial-scale wind turbines with installations worldwide.

An excellent guide on choosing external audio equalizers by K3DAV

A satirical look at the world of ham radio DXing and contesting. Not for those without a sense of humor or irony

Frequency calibration is a user adjustment on the rear panel. Learn how to calibrate the IC-746 Pro.

In 2004, 2005 & 2006, after many years of very successful multi operator county expeditions, Jim (W6KC) did single operator expeditions to Mono County.

Optimizing the Performance of Harmonic Attenuation Stubs

Provide RF connectors, adaptors, antennas, accessories, mounts, coax, West Mountain Radio Products and Anderson Power Products available.

K6BJ-2m Repeater Maintenance and Repair Log

Presents the full owner's manual for the _Drake R-4C_ communications receiver, specifically a late version edition. This resource outlines the comprehensive operational instructions, covering everything from initial setup and tuning to advanced features and controls. Hams can reference detailed diagrams and explanations for proper signal reception across various amateur bands. The manual includes critical information for alignment procedures, ensuring the receiver performs to its optimal specifications. It details the steps required for calibrating the internal circuitry, which is essential for maintaining sensitivity and selectivity over time. My experience with vintage Drake gear confirms the value of these original documents for accurate adjustments. Furthermore, the document provides insights into troubleshooting common issues and performing routine maintenance. It serves as an authoritative guide for anyone operating or servicing this classic piece of amateur radio equipment, helping to preserve its functionality for years of DXing and ragchewing.

Notes on how to properly install a Mini Whip receiving antenna in an noisy urban environment.

KA0KA ESSB with the Kenwood TS-850/DSP-100 project

Article on how to use logic analyzers for testing complex logic-digital circuits

remoteRotator is a command line application which makes your azimuth / elevation antenna rotators available on the network. It available for Linux/Windows/MacOS and written in the programing language Go.

2N2/20 - A 20 Meter, Discrete Component CW Transceiver Built Manhattan-style

The I2YSB DXpedition Team presents a collection of videos documenting their past DXpedition activities. These visual records offer insights into the operational aspects, equipment deployed, and environmental conditions encountered during various DXpedition events. The resource also contains a specific announcement regarding the cancellation of the planned Ghana AF-084 DXpedition, originally scheduled for April. It further details the refund process for sponsors who had contributed donations for the cancelled operation. The content serves as an archive of DXpedition experiences, showcasing the efforts involved in activating rare or challenging entities. It provides a historical perspective on the team's operations and logistical considerations. The site also functions as a communication channel for important updates concerning future or cancelled DXpedition plans, directly addressing the amateur radio community interested in their activities.

A netlist converter for moving schematic and PC board files from OrCAD/PADS to ExpressPCB format.

A description and build-log of a cheap telescoping mast made from PVC pipe, string, and some misc mounting hardware. It is useful if you are going somewhere that doesn't have any trees nearby to hang something on.

Sales and rental of test equipment products

tk150 experimental Software for the Standard VR-150 Receiver

Worldwide leader in wind power generators

Contesting on VHF UHF and SHF in Czech Republic

Ham Radio Club in Wales UK

Official page of the IARU High Speed Telegraphy Championships

Offer performance comparable to tin-box filters, and except for being bigger, stack up pretty well with those expensive little helical jobs. You just have to be able to make your own PC boards.

QRSS operations on 30M with an home made dipole

Ham radio VHF UHF antennas, aircraft, scanners, marine vhf antennas

Introduction to troposcatter or tropospheric scatter propagation using the troposphere

Six Steps for Programming your IC-2100H from the front panel of radio. Using these steps you should have no trouble entering either simplex or repeater frequencies and saving them.

The TVI filters described in this page worked very well in curing a TVI problem on 2m abd 70cm

Blog related to ham radio t-shirt and accessory designs

Article based on ROHN engineering specification that will guide on proper guying heights and guy lengths when guying ham radio antenna masts. It will help you determine ahead of time the proper length of guy wires and the distance from the base of the mast to the anchor points

In order to determine total distance that a transmission may be received by two elevated antennas, we must add together the radio horizon distance of both antennas.

What goes on at IK1ZYW laboratories, day by day

Some old DX QSL Cards, Stuff you cannot get any more

Located in the northern San Francisco bay area