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What Amateur Radio (ham radio) is. How to get started in ham radio. License requirements. Where to find instructions.

Amateur Radio Maps online mixer of different selectable layers, including DXCC references, IOTA references, ITU and WAZ Zones. Works with most web browsers make heavy javascript usage.

Unique and Hard-to-Find accessories for Amateur Radio. Featuring Plasti Dip products, DK9SQ Masts, Wire Antennas, AEA Antenna Analyzers and RF Connectors too!

Amateur Radio and Commercial Radio licencing exam practice. You can visit the Technician, General or Extra license pages where you can pick and choose the topics to practice so you can build up to a complete exam.

The half wave dipole antenna is a simple and practical antenna model that consists of a half wavelength long centre fed conductor.

BktTimeSync synchronizes the PC time using an internet time server (NTP server) or a GPS receiver connected to USB, serial port or Bluetooth. Great for use with digital modes like FT8, JT65, JT9, JS8Call and others. For the operation of this program requires an active internet connection or a GPS receiver. This program works on all versions of Windows 32 or 64 bit

Antenna assembly and tower raising

Forum thread comparing FT-60 to VX-6R

Amateur Prefix Maps by UT0UM updated with ARRL DXCC and ITU changes, available for download in PDF

A Study of Amateur Radio Gender Demographics. How many ham radio operators in the usa ? Estimated Number of Hams in Each State, by Gender

Experimental (Croatian only) CallBook wich contains only call sign of HAM's with HRS membership.

Central DX'ers radio club web site

Shortwave Receiver Reviews & News, DX Links and global press.

A simple current balun for the FM broadcast band

A circuit that connects an IBM compatible personal computer, running TR Log or CT (etc.) contest logging software, and Kenwood transceivers equipped with serial control ports. CW keying is also provided in this RFI filtered interface unit.

An homebrew crossed Yagi antenna for two meters band based on DK72B design with pictures, detailed description and tricks by Barry Zarucki M0DGQ

IC706 Specifications by universal radio inc

German Amateur Radio Club

Specialising in MW, SW, FM, and Utility DX for 50 years from the Pacific DX paradise of New Zealand. Monthly magazine. Membership open to DXers worldwide.

Mailing list for people who own or are interested the various Realistic DX series radios from Radio Shack/Tandy. The DX-160 and DX-302 are frequenty discussed.

Simple, low cost interface between Kenwood serial ports and contest logging programs by Bob Wolbert, K6XX

A page about fascinating Very Low Frequency and natural radio, with lots of streaming audio links from remote receivers. Some experimental stereo pairs around the world.

All about the JRC NRD-525 receiver. Modifications, review, manuals, tipd and tricks

A site exclusively meant for the novice. Find all the information necessary to become an amateur radio operator! More India specific information.

A vertical dipole for 10, 15, 20 and 40 meters made adapting two Hustler Model 6-BTV antennas by w6sdo

Specializes in antique radio schematics and capacitors. carries antique radio schematic diagrams and electronic circuit service information for american, canadian and european antique radios.

Amateur Packet Radio Gateways by dl1eis

ARRL page on SDR technology

A restored version of the original CQ DX Zones of the world

RCI web site

Alfa Tango DX is a premier resource for operators on the 11 meters band, providing a searchable database that includes news, cluster information, and discussion boards. This platform serves as a hub for DXers and contesters, offering valuable insights into activations, dx-peditions, contests, and meetings worldwide. The site features a variety of resources, including event calendars, award programs, and tools for logging contacts. Members can access exclusive content and participate in contests like the AT Women's Day Contest and the Eleven World Wide Contest. With a focus on community engagement, Alfa Tango DX fosters connections among operators and promotes the spirit of amateur radio. Whether you are a seasoned DXer or a newcomer to the 11m band, Alfa Tango DX provides essential information and support for enhancing your amateur radio experience. From QSL services to event participation, this resource is designed to meet the needs of all operators interested in the 11 meters band.

Modifications for the Yaesu FT-920

How to make your ham radio system mobilemany ham radio operators carry radios for fun, safety and public service activities. radios for both vhf and hf frequencies can easily be installed in vehicles.

It consists of a radiating wire with a length equal to the half-wave of the fundamental frequency for which the antenna is cut.

An interesting arduino project to work as an antenna tuner

Project plan for a 4 element yagi beam for 50 Mhz

Spread Spectrum Scene. Radio Propagation notes, with downloadable files.

A copper pipe Hentenna for 144 MHz. The Hentenna, a compact, high-gain loop antenna developed in Japan in the 1970s, offers approximately 5.1 dBd gain, comparable to a three-element Yagi. Adapted for 2 meters, it is crafted from copper pipe for simplicity, affordability, and broadband performance. Requiring no feed-point tuning, its construction involves soldering standard copper fittings. Installation demands non-conductive materials to minimize signal disruption. Versatile for vertical or horizontal polarization, it is ideal for FM, repeater, SSB, or CW applications. This design emphasizes practicality and performance for amateur radio enthusiasts

German page about packet radio, english version available

Since 1922 Tampa's largest Ham organization. Dedicated to hams by hams. Classes in theory, code, and experimentation are a regular event.

Article on PC to radio interfacing by Paul Umbdenstock, WA1VOA

You can use almost any Icom handheld to contact your 2720H back in your vehicle for crossband repeating.

A portable dipole for six meters band

Ham radio dealer in Valencia Spain

This free software is an application solely for the use of controlling the Kenwood TS-480. Can be used to edit, save, and export to the TS-480 information such as Memory, Menu, and Auto Mode frequencies.

A delta loop antenna for 6 meters band with SWR diagram , construction plan and some pictures by IZ8EWD in Italian

A project with several releases, of the Qkiller or QRM eliminator original project by DK9NL, in italian with schematics, picturs and movies

Supplier of custom designed, high performance quartz crystal filters for communications receivers and transceivers, for Yaesu Icom Kenwood and Collins radios

Lan-Link and Lan-Link for Windows. Other software by G3ZCZ. Some of G3ZCZ's conference papers on amateur radio, and AMSAT editorials