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Malawi DXPedition 2014 official page

The Great Lakes DX / Contest Club is located in the central part of Michigan near the city of Lansing which is the state capitol. The club's main purpose is to support and encourage the DX aspect of the amateur radio hobby.

Worked All Europe DX Contest Rules of the popular contest promoted by DARC

Longwave refers to all frequencies below the lower end of the AM broadcasting band at 540 kHz

Ulaanbaatar DX Club facebook fan page

Contest station situated in the South West part of the Netherlands in the province of Zeeland

On December 12, 1901, Guglielmo Marconi successfully received the first transatlantic wireless communication, a Morse code "S" (three dots), at 04:30 GMT. This article details the setup for this groundbreaking experiment, noting Marconi's receiver in St. John’s, Newfoundland, Canada, utilized a _coherer_ and an antenna elevated by balloons and kites. The transmitting station at Poldhu, Cornwall, England, featured twenty-four 200-foot ships' masts and a 25-kilowatt alternator. The resource explains how this contact disproved contemporary beliefs about radio wave limitations due to Earth's curvature, later understood through _ionospheric propagation_. It frames Marconi's achievement as the "very first DX" in amateur radio terms, defining DX as telegraphic shorthand for distance and _DXing_ as the hobby of receiving distant signals. The article also provides external links for further reading on Marconi's experiments and the science behind transatlantic radio signal reception.

DX Pedition to St Helena 10-80 meters bands SSB RTTY FT8 CW by G0VDE

Rhein Ruhr DX Association

Raivavae Austral Islands by Don, VE7DS and Dave, K3EL as TX5RV

This guide explores different radio bands that hobbyists use to talk to each other worldwide. It explains how these bands work and what they're used for. From low-frequency to high-frequency bands, each has its own unique features for people who enjoy communicating through radios

Search TY1TT on-line logbook 2014 dxpedition

The Buddistick antenna, as demonstrated by KP4MD, effectively handles up to **250 watts** and provides coverage from 40 through 10 meters, with an optional coil extending operation to 80 and 60 meters. KP4MD's video presentation meticulously describes the antenna setup, emphasizing the critical role of the _shunting coil_ for achieving resonance on lower bands like 40 and 80 meters. This practical approach highlights how a compact antenna can deliver solid performance from a constrained location. SWR curve diagrams are included, clearly illustrating the impact of the shunting coil on the antenna's resonating frequency. These visual aids provide concrete evidence of the adjustments needed for optimal operation across different bands, particularly when space is at a premium. KP4MD's insights are particularly valuable for hams operating from apartments or other limited spaces, showcasing real-world results from a balcony installation.

The official announcement of the Icom IC-7610 mid class amateur radio transceiver

Rules of the CQ WW DX Contest in different languages

Website of RP DX GROUP. Group was found in 1992 in Pulawy, Poland.

The website of the Orca DX and Contest Club.

This page is a detailed description of a 6CL6 and 807 valve transmitter. The page includes the complete circuit diagram to build this transmitter and several pictures

Ham radio personal site by F4FVW

Documents the _XT1T_ DXpedition to Burkina Faso, active from February to March 2013. This operation provided DXers worldwide with an opportunity to work a relatively rare entity, with the team focusing on maximizing contacts across various bands and modes. The expedition utilized an online log provided by _IDT_ (Italian DXpedition Team), enabling immediate verification of contacts and facilitating QSL requests. The _IDT_ system allowed participants to check their QSOs shortly after they were made, a crucial feature for contesters and award hunters aiming for DXCC credit. The expedition's success was measured by the total number of unique contacts and countries worked, contributing significantly to the global DX community's pursuit of new entities.

A review of the Chinese version of uSDX USDR HF QRP Transceiver. Author made an extensive review of receiver and transmitter features.

A guide to choosing the right hardware and a guide on how to install DXSpider on a Raspberry Pi3. This article include a video and a PDF guide about the installation.

Using RadioMobile to evaluate Meteor Scatter DX-pedition sites

Visualizing DXCC award progress often requires manual parsing of Logbook of the World (LoTW) reports, which can be time-consuming and prone to error. This web-based utility streamlines the process by allowing hams to upload their LoTW DXCC Credit Report spreadsheet, providing an interactive dashboard for tracking confirmed entities, bands, and modes. It processes .xlsx, .xls, and .csv files, performing all calculations client-side within the browser for privacy and speed. The tool presents a comprehensive stats overview, detailing total entities, confirmed slots, and overall completion percentage. It includes progress bars for bands from _160m_ through _2m_, and modes such as CW, Phone, and DIG. A sortable DXCC Entity Details Table lists each entity, its confirmed count, and specific missing band/mode slots, with a CSV export option. Further features include a Band/Mode Matrix grid for granular confirmed status per entity, toggles for specific bands like _6m_ and _2m_, and tracking for DXCC Challenge progress across 10 eligible HF/VHF bands. It also highlights nearly complete entities and identifies most-wanted DXCC entities based on the uploaded data.

Appendix 42 to the Radio Regulations, published by the International Telecommunication Union (ITU), serves as the authoritative global reference for assigning call sign series to countries. This essential resource allows radio operators, including those in the amateur service, to accurately identify the national origin of a station based on its callsign prefix. It is fundamental for DXers, contesters, and anyone involved in international two-way radio communication, ensuring correct country identification for awards like _DXCC_. The table details the specific blocks of call signs allocated to each administration, facilitating the unambiguous determination of a station's geographical location. For instance, prefixes like K, W, N, and AA-AL are assigned to the United States, while G and M series denote the United Kingdom. Understanding these allocations is crucial for logging contacts and verifying QSLs. This ITU publication is regularly updated to reflect changes in national assignments and new allocations, maintaining its accuracy as the definitive source for call sign series worldwide. It underpins the global framework of radio communication.

DXCC status monitoring tool. Maintains database of new worked countries and generate statitics

W9TY, the Metro DX Club of South Suburban Chicago, Illinois, USA.

Almaty Amateur Radio League (ARL) is organizing activation of special amateur radio stations including UN2011G and 8 stations with UP2011 prefix.

This channel is all about radio listening and dxing. I will be covering frequency bands like longwave, AM/MW and shortwave. I'm embarking on my renew interest in this hobby since my childhood.

Dxpedition to gabo island, australia, sept 2001 OC-196, ARLHS# aus-078, WLH No: 1031

VLF Time Signal Stations, Station List Compiled by William Hepburn, LWCA

Reverse Beacon Network (RBN) remdered in a Real-Time Azimuthmal Map centered on a custom call sign

JT65 software download archive for all JT65 editions, includes a JT95 and JT9 operating mode informations, JT65 reference website for Japanese operators.

Online Log for TX5N DX Pedition to Austral Islands 2022

W3FF, N7UN, WD9CMD, N7BF, WF2S, K9CJM,AA4OC, WU1B December 2011

by UARL UCC KCG and IRC

The 3Y0K website is the official platform for the Bouvet Island DXpedition scheduled for February 2026. It serves as a comprehensive resource for amateur radio operators, providing essential information about the expedition, including updates on operations, band availability, and communication modes such as FT8 and CW. The site aims to keep the amateur radio community informed about the expedition's progress and activities, encouraging participation and support. Users can find details on how to donate to the expedition and contact information for inquiries, as well as links to social media for real-time updates and community engagement. In addition to operational details, the 3Y0K site offers various resources for those interested in DXpeditions. It highlights the significance of Bouvet Island as a rare DXCC entity and outlines the logistical challenges faced by the team. The website is designed to be user-friendly, featuring a clear layout that allows visitors to navigate easily through the information. Overall, the 3Y0K website is a valuable resource for amateur radio operators looking to engage with the Bouvet Island DXpedition and enhance their understanding of amateur radio operations.

Bahamas islands round trip 2012 26th April, May 6th

Entities First Worked from Hong Kong on 50MHz

This magnetic loop DIY site is ment to be an introduction into making DX high quality magnetic loop antennas that will beat any dipole

G3KHZ, SM6CVX, G4EDG, DL6KVA + S21ED and S21TV will activate Bhola & St Martins island AS-140 AS-127

Master Callsign Database Editor allows to create and modify Super Check Partial database files used by many contesting programs in DTA and SCP formats. The files produced by Master Editor in DTA format can be used with CT, WriteLog, TRlog, SD, and others. The SCP versions of the produced files are for use with Win-Test, N1MM+, and others. Master Editor allows to create a callsign database from a separate log or from a set of logs in the Batch Import mode.

Central Oregon DX Club

The Terminated End Fed Vee Antenna (TEFV) is a travelling wave antenna with constant current distribution. Unlike traditional resonant antennas, TEFV operates without standing waves, using a terminating resistor for broadband efficiency. With a combination of vertical and horizontal polarization, it offers wide bandwidth from 1.8 MHz to 30 MHz, eliminating the need for a tuner. Key components include a 9:1 unun transformer and a 500-ohm terminating resistor. Grounding and counterpoise enhance performance, and it can handle power losses of up to 30%. TEFV provides an effective, versatile antenna solution for amateur radio and broadcast applications.

29 May to 4 June 2010, WFF comprehensive expedition in Kazakhstan-Zhetisu-2010 WFF expedition on national parks and wildlife reserve of Almaty oblast- Zhetisu-2010

27 oktober - 6 november 2012 30/20/17/15/12/10/6 meter band ssb-cw-rtty

IK5RUN, I5OYY I5IHE will operate from Praslin Is. Seychelles IOTA AF-024 respectly as S79UN S79YY S79LC Log Online and DX Spots Operations will start From Sunday 21st October 2012 till Sunday 4th November 2012

The club was founded in 1987 when a group of ham operators hauled radio gear, antennas, and a generator to the island by boat to operate portable during ARRL Field Day

The Northern California DX Foundation is a private foundation established in 1972 to assist worthwhile amateur radio and scientific projects with funding and equipment.

TJ2TT log online and QSL request