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Broadband receiving antenna matching - This article addresses the subject of obtaining the best signal transfer from an antenna to the typical 50-ohm receiver input over a wide frequency range, with emphasis on medium-wave (500 – 2000 kHz), encompassing the standard AM broadcast band and the 160-m amateur band.

Grupo de Veteranos do Brasil - Brasilian dx club with over 450 members, monitor 27.575 USB

WG3E/VHF Test Contest Program - Freeware DOS-based VHF contesting program for rover and single-op classes.

DeKalb County Amateur Radio Club - The DeKalb County Amateur Radio Club (DCARC), active for over 25 years invites you to visit our web site and our community. Located in North East Alabama our W4GBR repeater stands on top of beautiful Lookout Mountain in Fort Payne Alabama.

Shelby Amateur Radio Club's VHF Emergency Net - Shelby amateur radio club's VHF emergency net is open to all within the repeater's coverage area. 146.880 and 147.345 are the repeater frequencies. Shelby Radio Club is the sponsor of the Shelby hamfest.

Amateur Radio links and websites by W1WC  ^updated Priority listing - Ham radio site with Amateur Links is a collection of over 2800 Ham Radio sites services verified each week. Interesting content for beginners and seasoned ham operators alike.

G4xgt on Ten Fm all over the world - Personal home pages of John g4xgt Ten FM,DRM,sporadic "E" and Ham links

i1wqrLinkRadio - Over 4000 ham radio links

WebSDR in USA W4MQ  ^pop - Internet Remote Base WebSDR radio receive from Reston, Virginia with remote control cover 160 40 and 20 meters band

First radio signal over Atlantic - Description od Marconi's first transmission over Atlantic Ocean

Introduction to MFSK and the MFSK16 - A new weak signal DX mode for Radio Amateurs, employing M-ary FSK, phase continous tones and convolutional coded FEC.

CTC - Croatian telegraphy club - A club for lovers of CW. The membership is free and open for all radioamateurs worldwide.

C.B. Packet Priority listing - Packet radio in the U.K.and other U.K. radio including 446 and SSB on 11 mtrs

F6BLK.net -- Bernie's Website - F6BLK, ham radio operator since 1958, discovered the QRP in 1995. He presents the transceivers he built : the very performant Elecraft K2, and antennas. A part of the site is reserved for Gerard F6EHJ, who presents his creations.

ManualMan - Now over 10,000 manuals for amateur, audio, and radio-related equipment available

Dutch Frequency Database - More then 9000 frequency's about NATO , Police Firebrigades Ambulances Goverment Miletary Navy and Aircrafts.

International Listeners Association - british based swl club covering amateur, broadcast, air, marine etc. Non profit organisation.

ACE-HF Propagation Prediction Software - Professional PC software for hams that uses VOACAP and includes area coverage maps animated by time or frequency

eCallBook - With eCallBook you will have instant and current information on over 800,000 hams from around the world

EchoLink - EchoLink allows Amateur Radio stations to communicate with one another over the Internet. The program allows worldwide connections to be made between stations, from computer to station, or from computer to computer. Fully Compatable with I-Link. Download from here.

59+ CW  ^pop - Freeware Win32 application can be used for sending CW signal to the transceiver over a COM port or simply listening to Morse code on the speaker. The application is very easy to configure and will allow you to you to add new Morse characters set speed, tone, dash, dot, PTT line delay and other parameters. It is also possible to set shortcuts for call, QTH, name, RST and ANY other QSO field.

SMARTPSK - PSK31 freeware program in english and in french by the author of DXPSK, support over 25 tracks

SRL QuickSilver QS1R VERB - The QS1R VERB is the most advanced open source digital down conversion (DDC) receiver board on the market. It features a Linear Technologies LTC2208 16 bit, 130 MSPS Analog Digital Converter (ADC) and an Altera EP3C16 Cyclone III FPGA. Connectivity to the PC is through a high speed USB 2.0 interface. QS1R covers 15 kHz through 55 MHz in its standard configuration and can be used in undersampling applications to 300+ MHz.

SDRMAXII - graphical user interface which communicates with QS1RServer.exe over three UDP ports. QS1RServer.exe controls the QS1R Versatile Radio Board (VERB), a Software Defined Radio developed and produced by Phil Covington

Unsoldering old electronic components - how to easy and quickly unsolder and recover electronic components from old electronic board (SMD and not) by iz7ath Talino