Search results

This simple and cost effective interface circuit is designed for use with any ICOM amateur radio equipment with CIV interface

All about homebrew, antennas, accessories for shack, digital tecniques and more..

Beacons recorded audio files by kl7fdq

The DL4MEA Power Meter

Printed.it Tipolitografia Bonanno QSL printing service by IT9EJW sicily.

Similar to Tiny 2 but this three element direct connect antenna utilizes a reflector and a director to achieve gain.

Information on equipment manufactured by the Bird Electronic Corporation, wattmeters, RF loads, switches by I0JX

In this project, you will make a simple low-power broadcast-type circuit, using a crystal oscillator integrated circuit and an a collector modulated AM oscillator.

conversion of low band VHF AWA 25M-1 carphone onto 6 metres.

QRG_DB is a database for the Palm OS computer to control a Yaesu FT-817 Transceiver via the CAT interface

A switchable Magnetic Transformer for Transmitting for various impedances

The _Italian VHF Beacons_ resource provides a detailed listing of active and QRT amateur radio beacons operating across VHF, UHF, and SHF bands within Italy. Each entry specifies the beacon's callsign (e.g., IQ1SP/B), operating frequency (e.g., 144.411 MHz), QTH locator (e.g., JN44VC), effective radiated power (ERP) in watts, and antenna configuration (e.g., Big Wheel, 4x Dipole, Yagi). This data is crucial for radio amateurs involved in propagation studies, equipment testing, and long-distance (DX) communication on these higher frequency bands, offering fixed signal sources for monitoring. This compilation, last updated in October 2005, serves as a historical snapshot of Italian beacon activity. For instance, it lists several 144 MHz beacons with ERPs ranging from **0.1W** to **10W**, and higher frequency beacons such as I8EMG/B on 1296.880 MHz and I3EME/B on 24192.132 MHz. The inclusion of QRT (Quiet Radio Teletype) status for many entries indicates the dynamic nature of beacon operations over time. Users can utilize this information to identify potential signal sources for band openings or to calibrate their receiving equipment against known transmissions.

This is Wimpey site,a full featured Ham Radio,CB,short wave police scanner and much more ARS KA4PNV

Triband DK7ZB VHF Yagi antenna for 6 m, 4 m and 2 m with a single feedpoint

club station VK2MB, Manly Warringah Radios Society, on northern beaches of Sydney, Australia.

Belgian question pool by on1dht

Primary QSL Managers by NW3K

Diplexer is a passive device, a special filter circuit that seperates 2 different bands, not to be confused with the duplexer that usually separate 2 different frequencies on the same band.

Sometimes many VHF-UHF modern transceivers have problems with BROADCAST Interference and CROSS-modulation from FM commercial broadcast stations this article shows a simple Batteworth HI-Pass VHF Filter to reduce this problem

HB9MTN loop motor control software. For motor control, either Centronics, RS232 or USB ports can be used, for CAT-Control the RS232 or USB ports.

Florida DXers meet every other month in Ft. Lauderdale to discuss DX, antennas and such. We host the DX forum at the Tropical Hamboree in Miami the first Saturday in Feb.

To build a Band Decoder to drive our remote relays, we need to supply the band information from the rig to the decoder

Honduran amateur radio club founded in 1958 in San Pedro Sula, Cortes.

Frequency coverage: 3.75 MHz to 4.00 MH transceiver for 75 MHz band

Modeling an 80/40/20M Fan Dipole for DX by Larry Banks, W1DYJ

Build your own band decoder, for kenwood rigs too

Club, Club station and Contest site for Radio Amateurs from Lier Belgium

All about Chilean contest, awards, links and general news and DX from Chile

The bass amateur radio IRLP group node 6391. victoria australia. info IRLP stands for the Internet Radio Linking Project. The aim of this project is to link radio systems separated by long distance without the use of expensive leased lines, satellites, or controllers.

The future of two way radio is digital.

QSL Information, many links for DX and IOTA

Log2000 is a program for logging and tracking QSO's, creating and printing QSL's and QSL labels. Designed for Windows 95/98, Windows NT and Windows 2000.

Interesting article on how build your own field day antenna

A homebrewed switchbox prooject Don Wilhelm W3FPR

Club in Stoke On Trent, England specialising in training for all classes of Amateur licence in the UK.

A home made antenna tuner based on the W6JJZ basic concept that ,atches balanced loads without the use of lossy baluns, can provide band-pass filtering and harmonic attenuation.

XLS file with technical specifications about ham radio transceivers

BQ9P Interactive Logbook 1998 DXpedition to Pratas Island

Complete introduction to Shortwave radio, includes Qsl gallery, Propagation, Beacons, Contest, Begginers guide, in Spanish

tkD7 is an expectk script for controlling the Kenwood TH-D7 HT on Linux or FreeBSD

The grounded half loop describe in this article is basically a half wave length wire on 80 Meters. The 80M grounded half loop antenna, inspired by a 1984 QST article by SM0AQW, is a compact solution for limited spaces. Comprising a 127-foot wire fed against ground and supported by radials, it balances performance and practicality. Despite compromises in length and proximity to structures, the antenna delivers strong signal reports and effective multi-band tuning using an SGC 237 antenna coupler. Ideal for CW operation, it offers low SWR on 80-10M, though noise levels and safety considerations warrant attention. This versatile design excels in constrained environments.

Converting a PC Switching Power Supply to 13.5V by AA3SJ

Benefits in implementing a remote antenna switching system and a sample remote antenna switch project

Info and specifications on my three beacons on 10 and 6 meter bands. You will find also informations on the propagation for these two band.

Radio repeater

Web pages of TRAC istanbul city branch

Free Logbook conversion program that allows the conversion of some old DBF log files (DXLog, EasyLog, LogPlus, TopLog, TurboLog TotalHAM92) to the ADIF Format, 3.8Mb ZipFile

Transmission Line equations for Windows. Written in Visual C++. This program provides the most comprehensive analysis of a transmission line by w9dmk

QSL database lookup provided by IK4LZH

Fast Scan Amateur Television in Southern California, Nevada, Arizona, New Mexico, Indiana and soon in Illinois.