Search results

Detailed picture of a FT-857D backpack by YO3HJV

An interesting arduino project to work as an antenna tuner

A multi-mode QRP radio beacon built around the Arduino. This radio propagation beacon transmitter project is presented by M0XPD

LNA Technology High Performance Low Noise Preamplifiers for Amateur Radio, VHF-UHF weak signal, DX, EME, and commercial applications.

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

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

Choosing the right antenna for you, by Lewis G. McCoy W1ICP

An 85ft wire fed against a 17ft counterpoise that works well in 80 and 40 meters

Simple, easy to build, low cost, compact, multiband By Robert Wilson, AL7KK

Here you will find broadcast, pirate, and clandestine information including loggings, QSLs tips, and last-minute news.

Pictures, photos, source code and plans to build a logging frequency counter

Online log for 5V7TT Togo dxpedition 2010. Offer QSL request service.

A 1:1 current balun that offeres a almost flat swr curve from 1 to 30 MHz

Free format input, User selectable usage of reports, counters for DXCCs, WWL, DOK/UK Counties/CQ/ITU/States/Provinces and more

A 67 feet long dipole doublet antenna

A reliable logging system for Field Day based on wireless networking. Freeware, runs on macintosh, linux and windows

The Icom IC-7300 is a popular HF transceiver among amateur radio operators, known for its advanced features and performance. This modification guide focuses on enabling extended transmission capabilities, specifically for MARS and CAP frequencies. The instructions are based on the work of PA2DB and include detailed steps for removing specific diodes to unlock additional frequency ranges. Before proceeding with the modification, users are advised to take necessary precautions, such as ensuring the radio is powered off and using ESD protection. The guide emphasizes the importance of using appropriate soldering techniques and tools to avoid damaging sensitive components. A video demonstration is also provided to assist users visually in performing the mod. While this modification can enhance the functionality of the IC-7300, it is crucial to note that it may void the warranty and should be undertaken at the operator's own risk. The guide serves as a valuable resource for those looking to expand their operating capabilities with this versatile transceiver.

Fractal antenna for 28 Mhz band by AG1LE

Setting up a Raspberry Pi as a SDR Server with RTL-2832U USB dongle

A multiband quarter wave vertical antenna that works on 5 bands.

5N7M Ivan from Abuja Nigeria online log

Antenna experiment - Delta Loop for 7 Mhz band by AG1LE

Yaesu FT-857 features and specifications

Sigmira is a free Software Defined Radio (SDR) application program that runs on Windows and Linux. It operates with with an external conventional receiver, RFSpace SDR-IQ, RPSpace SDR-14, or SDR-RADIO.com networked receiver

A site for Amateur Radio beginners and enthusiasts in Malaysia

G0KYA's Amateur Radio Blog, make a 2m Slim Jim antenna out of 300 Ohm ribbon cable.

A 144/440 dual band open stub J-Pole Antenna project by NT1K

Personal logging program, support A.D.I.F export which makes it possible to produce custom QSL cards, by G0OPC

Big DUtch blog post about yaesu VX-8R include pictures and link to VX-8R manual

Various publications through the years have shown how the SWR measured on a shorted (or open) feed line can be used to calculate feed line attenuation

A 10 meters band Slim Jim antenna project, made with a 450 Ohm slotted ribbon cable and secured on a 8 m fishing pole, by Steve G0KYA

IC-718 tech. specifications

R25Log is an universal Log-Program, developed by active Hams for active Hams. Tested and proved in real QSO-operation, it combines all functions of conventional log-progams with a number of new features and a wealth of informations, input- and evaluation-possibilities. Freeware run in DOS Shell

Here you will find any useful downloads for IC-7000. Manuals, video clips, reviews, brochures

TR4W (TR for Windows) is a free and open source log book program for operating in ham radio contests. Based on source code of the TR LOG MS-DOS program, kindly provided by Larry Tyree, N6TR, supports 155 contests and SO2R

Windows logging program by wa0h. US and Canadian callbooks are built into the cd version of the program.

Some printable logbooks or logsheets, made to use whilst operating portable. Download free PDF files in landscape and portrait A4 Format.

Contest logging software by N6TR, a free limited version is also available, includes some contests and a cw simulator mode.

The G5RV JR cover 10-40 meters band a project by PU2OKE

A home made balance antenna tuner project by KR7Q

A club project experiment about a vertical Moxon antenna for 20 meter band

About beverage antennas, Enhanced F/B Beverages, Bandwidth of Directivity, arrays. This article describes two phasing systems for Beverage antennas that improve directivity and cancel rearward signals. These systems use lossy elements and require minimal components to achieve broadband performance.

A brick, some PVC tubing and a few other common hardware store items can be transformed into an effective Quick and Dirty RF-launcher for less than $25! By Michael Atlas, N7FC

The Yaesu FT-100 is a miniature mobile transceiver that provides coverage of the 160 to 6 meter bands plus the 144 MHz and 430 MHz bands

A 4 element Wire Yagi antenna design for the 40 meters band

E4X Palestine On-line Log 2010 dxpedition

Arduino uno universal VFO/BFO with Si5351 and TFT touch screen for BITX like txcvr

On-line log for 3XY1T Guinea DX Pedition 2016

An home made SWR meter for 2.4 GHz. A DIY SWR meter that allow precise measurements and calibration of any WiFi antenna. This is test equipment everyone who build wifi antennas should have in their shack. Article is in french and include some videos.

NetLogger is a logging program that can use the internet to transmit check-in information to other users of NetLogger. Net participants that are monitoring the net with NetLogger receive updated information every twenty seconds.