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A 600W 1.8 MHz to 54 MHz power linear amplifier made using rugged MRF300 transistors featuring output power between 580W and 750W depending on band, power supply: 48V, 18A typical, 20A max

Ham radio blog from CX3SS Uruguay

Paulo Sousa ham radio blog with QSL pictures

JT44: New Digital Mode for Weak Signals

Analyzing digital mode contacts, particularly those made with _WSJT-X_, often requires tools beyond the native logging capabilities to identify duplicates or perform deeper statistical analysis. This utility addresses that need by providing an external application that processes the _WSJT-X_ log file, typically _wsjtx_log.adi_, to extract and present contact data in a more flexible format. It demonstrates how to parse ADIF data from a popular digital mode program, offering insights into contact patterns and potential logging errors. The software facilitates the identification of duplicate QSOs, a critical function for contesters and DXers aiming for unique contacts. It also enables further analysis of the log data, which can be useful for tracking band slots, modes, and specific callsigns over time. The application provides a practical example of how external tools can augment the functionality of primary logging software, allowing for custom data manipulation and reporting that might not be available within the original program.

Long review of the Elecraft K3 , 18 months on.

SkookumLogger is a free contest logging program for Mac OS X 10.7 or later, supporting CW and SSB events on the six HF contest bands plus 6m, 4m, 2m, and 70cm

5Z0H Kenya 2010 dx pedition on-line log

Pictures, details and specifications about Yaesu VX-170

Program for Amateur Radio use, features Digital modes such as FT4 FT8 currently implemented along to RTTY, PSK modes, DXCLuster and Radio interfacing. The database is built in the Sqlite environment.

Notes from an amateur radio operator. Martin Ewing Branford, Connecticut, USA, topics are Ten-Tec Orion, Station Grounding, PSK31 Morse, etc.

This is an Arduino-based rotator interface that interfaces a computer to a rotator or rotator controller, emulating the Yaesu GS-232A/B and Easycom protocols which are supported by a myriad of logging, contest, and control programs.

Ham radio for people with disabilities provide podcast and blog

CES Wireless Technologies manufacturer of Mobile information Systems including Dispatch and Mapping Software, GPS, AVL, Mobile Data Display Terminals, ANI, CTCSS, and Microphones

Greetins from Gran Canaria, Canary Island, includes many information and video about digital modes, in spanish

Fixing notice subtle distortion on SSB receive audio on the Yaesu FT-1000D

HF Radio Preselectors,BCB filters,Low Pass filters,Band Pass filter

VE3VN describe in this article how to raise a tri-band yagi antenna onto a DMX-52 tower with pictures and schemas that cover the whole raising process.

Amateur radio kits online shop, includes Mini Touch Key, QRP HF SSB and CW transceiver kits

SWL from Israel with lots of IOTA informations

HamBlog exists to give amateurs a place to post ham-related weblogs in a community environment.

How to establish a APRS local gateway from Internet to Radio with a TM-D710 and UI-View, the well known software from G4IDE

How manage and quantify ground loss in vertically-polarized antennas by VE3VN

Configuring the TM-D710 with Garmin Nuvi 350 for APRS setup

QSL information for AX1AA VK1AA/M VK1AA/2 VK1AA/4 VK9LX VK9LX/MM VK9LX/9 H44XX H40XX

Simple Elecraft KX3 and PowerSDR configuration by AG1LE

Moxon is a rectangle shaped directional antenna, originally designed by Les Moxon G6XN. There are couple of advantages of using this antenna. It is small in size, Easy to mast, Balanced to 50 Ohms, Near 1:1 SWR, Excellent Front to Back (F/B) ratio, Large bandwidth

Online log search for 5W0M Samoa 2013

The adventures of a small Contest Group

Solar activity can aid or hamper HF propagation beyond line-of-sight range, WA1SVF and N6BV answers to questions about Sun influence on radio signals propagation

AirHamLog is a modern logging software for amateur ham radio operators. The software works inside your browser, making it possible for you to use with any device connected to the internet. AirHamLog currently supports Windows, MacOS, Linux, iOS, and Android that works with modern browsers. AirHamLog has ability to export QSL cards as PDF files. All of your log data is stored on the cloud. You can start using AirHamLog for free today

El Taller NP4KT ex WP4DQK ham radio blog

ZK3N On-line Log search

G0KYA MMANA-GAL presentation and samples

This walkie is sold without the wide band receiver enabled, this is, only 144 and 432 MHz band

Measuring antenna current with and RF Ammeter

CountyLog windows amateur radio logging program. Log county contacts, export to ADIF, and access the Who's on the Air Database. Commercial version with free limited version availbale.

Design a 50MHz long-yagi antenna by PA3FGA

Search the VP6D on-line log dxpedition to Ducie Island with DXA real time QSO dashboard.

FTDX 5000 product page with related accessories

Ted Freitas Fresno, California, United States

Construction of OZ2M 70 MHz transverter

Review of the LDG AT600 Pro antenna tuner by AE5X

PY0FF Online Long by Andre in SA-003 Fernando De Noronha Archipelago

G4ILO article page on an optional Elekraft K3 Pan Adapter solution

A well documented Heathkit SB-200 restoration project by NT1K

Multi language contest log program for 9A VHF UHF contest. Freeware for Windows

For a lightweight portable station, all you need is a handheld transceiver, a tiny packet TNC, and an Android smartphone.

Spanish only website with mail list and meteor showers reports.