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DXKeeper is a free application that logs QSOs, tracks award status, generates QSL cards & labels, addresses envelopes, uploads QSOs to eQSL.cc and LotW, and downloads progress info from eQSL.cc and LotW. It can reference the RAC, Hamcall, and QRZ callbooks as well as the QRZ.com web site to fill in data when logging, or to update already-logged QSOs. DXKeeper automatically interoperates with all members of the freeware DXLab Suite, including Commander (transceiver control and bandspread for Alinco, Elecraft, FlexRadio, Icom, Kachina, Kenwood, TenTec, Yaesu), DXView (world map, rotator control), WinWarbler (PSK, RTTY, CW, Phone) and SpotCollector (DX and WWV spots). It also interoperates with MMTTY, MMVARI, MMSSTV, MultiPSK, MixW, DX Atlas, and Ham Radio Deluxe.

Setting up the Arduino DUE to run as an SDR software defined radio

How to build a beverage antenna. How to deploy a BOG antenna for your next SWL DX-ing activity. Give it a try and follow the orientation tips for this bi-directional antenna.

HF Antenna analyzer with Arduino Nano, open software has also become a commercial product

This free software is useful for visualizing terrain and performing Longley-Rice path loss and coverage prediction using the Irregular Terrain Model. A Windows port of the Linux-based SPLAT by John Magliacane.

SWR / Wattmeter with Arduino Uno Shield. It can measure from 2 to 200 watt and SWR for HF Ham radio.

Build your own cobweb antenna followning M0MRR instructions and notes

A reversable quad antenna for 40 meters band by N4JTE

A shortened and invisible wire antenna for 7 MHz

An HF QRP CW RTX built around the Arduino open-source electronics prototyping platform

Converts your logs into ADIF (Shacklog, EasyLog, PC-Profilog, LogPlus, DXLog, Log-Projekt, QW, UKWTEST, DAS LOG, HAM-LCT, Eurowinlog, StationMaster, Catlog, ARMAP95/98/2000, SPRINT, WinFD32, WAG, Fivenine, Excel Spreadsheet, CSV or TXT file; also ADIF to ASCII, import into RXCLUS DXCC and IOTA database, *.upf import file for IOTAMEM2 and many other features)

ADIF Master is a Windows program for working with amateur radio log-books. ADIF Master convert Cabrillo, TR, CT logs or a part of it into an ADIF file. Also you can use ADIF Master to open and edit ADIF log files using filters, add and remove or modify ADIF tags and entries

A homebrew project for a 2 meter 4 element yagi beam antenna by 2E0HTS

G0KYA slim jim antenna for 10 meters band

Online log for FT5GA - Glorieuses Isl. 2009 ham radio dx pedition

Quality logging software for the Radio Amateur & SWL, real-time and post-event QSO logging,log analysis and reporting, QSL label printing, country status display, rig control, import of logs, interface to CallBook CD-ROMs

eQSLMaster is a HAM radio program, that allow to perform various functions using the Electronic QSL Card Centre (eQSL.cc). With eQSLMaster users of the eQSL.cc system have the ability to upload an entire ADIF format log file (or single QSO) and have it deposited into eQSL central database using LogServices.

Get the most out of the shortwave listening hobby. Follow these steps to get started with your new radio.

A multiband end-fed antenna that cover 3.5 to 30 Mhz using a 1:64 Balun based on a FT240-43 core

Index of logs hosted on DX.QSL.NET

A simple to build Yagi 2 element antenna for 15 or 20 meters band by 9m2mso

This blog is about utility and military monitoring in the HF/VHF/UHF range.

An home made 70 cm colinear antenna at M1KTA blog

PA11019 Travel loop antennas, these antennas cover 6.300 to 29.200 mHz , handle 35 Watts and have a packing size of 43 cm, ideal for fieldwork, or mobile operations.

An homebrew project for a 3 elements yagi monoband antenna for the 20 meters by 9M2MSO

Search the online log of VP8PJ DX pedition to South Orkney Feb. 21, 2020 - Mar. 6, 2020 Log search offered by M0URX.

A homebrew project for a multiband end-fed antenna made with a single FT140-43 and 50pf capacitor and 20 meters of wire.

Contest LogChecker is a set of contest tools for Microsoft Windows, combining advanced text editing with keyword highlighted, and the ease and flexibility of import, export, statistics and charting utilities. With LogChecker you can edit, fill in the log, check Cabrillo Format and Header, convert files from the most popular logging software to Cabrillo, print customizable files, calculate statistics and export logs to RTF, PDF or HTML for publishing. You can examine a log in many different ways by highly interactive methods. LogChecker includes a Master Callsign Database tool for managing databases, which have been generated from actual contest logs. Commercial

A 144 MHz six element yagi beam antenna plan

Radio scanner frequencies for nsw

pictures of a 80 mt band EH antenna by YC5NBX

An experimental fractal Quad antenna for 10 meter band project by AG1LE

Video construction of a multiband HF trapped dipole antenna based on a variation of the classic W3DZZ design

Simple Homebrew HAM blog from indonesia

This halo antenna was built to have an omnidirectional coverage while working in VHF contests.

Run an oscilloscope under your Android phone

QSL cards and labels printing software. Create colourful QSL-cards and labels literally in some minutes. Print filled QSL cards or stickers from an ADIF-file, logs UR5EQF Log, HRD Logbook, AALog. Windows Shareware program by RS SoftX.

A vertical half-moxon for the 7 Mhz by F6IRF

The Fan dipole antenna offer a easy to setup and efficient HF multiband antenna that does not require tuners or antenna switches, diagram by YC8PVU.

80 meter vertical experiment by Bob Raynor N4JTE

This is an attempt to build an Antenna rotator controller using Arduino Mega 2560 with a nice user interface showing the actual position of the antenna.

A complete list on Long Beach Frequencies. Long Beach Police Penal Codes, and Police 10 Codes

This project outlines the construction of a 3-element reversible quad antenna specifically designed for the 40-meter band. The materials required include pushup towers, pressure-treated posts, insulated wire, and various electrical components such as relays and a balun. The construction process is straightforward, beginning with the installation of the posts in a straight line, followed by the assembly of the antenna elements and their elevation to the desired height. The antenna's design allows for directional signal reception, making it ideal for operators looking to enhance their communication capabilities on the 40-meter band. The project includes detailed instructions on tuning the antenna for optimal performance, ensuring that operators can achieve the lowest SWR possible. Additionally, the design can be adapted for other bands by extrapolating dimensions, providing versatility for amateur radio enthusiasts. Overall, this reversible quad antenna project is suitable for both beginners and experienced operators, offering a practical solution for improving signal strength and directionality in 40-meter communications.

Contest adjudication software scores Cabrillo logs. Auto evaluates up to 2000 logs with duping, claimed score, actual score, cross checking, N-QSO rule, 5-min delta QSO rule. Support including code changes, non-scoring logs troubleshoot and summary output requests.

List of mods for the ICOM IC-7000 with many PDF Files

Antenna was designed for SO-50 satellite operation but can be used for any VHF/UHF activity. It's a mix of a Moxon Antenna and a Yagi antenna. It has gains 4 dBd on 2m and 6.5 dBd on 70cm bands and it is fed via single 50 Ohm cable.

A wire yagi antenna model, easy to build, made using inverted vee elements and requiring just one support by ve3vn

Put your Ham Logs online, compare contest scores, send and receive electronic QSL requests and more. The place to see if you finally worked them!

A ZS6BKW antenna experience and comparison over an OCF dipole by F4FHH

An home made trapped dipole antenna for 40 and 60 meters band by 2E0HTS