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Article describing how to homebrew a yagi antenna for 50 MHz, includes plans for a four and five elements yagi beam and details how how match impedence with a gamma match

According to wikipedia a software-defined radio is a radio communication system which uses software for modulation/demodulation of signals

Various configurations of the Z Match Tuner are tested for power efficiency over a wide range of antenna load conditions

9Q0HQ Congo DXPedition Online Log

Award-winning MP3 Recorder software for Windows 7 and Windows 8 will capture streaming audio without using Stereo Mix feature.

W4TI Review of the ICOM 735

The Northern Ohio DX Association (NODXA) operates a voice repeater on 147.36 MHz with a +600 kHz shift, utilizing the club callsign W8DXA. The organization provides an award program for contacting its members and offers DXCC and Honor Roll patches to recognize member achievements. NODXA publishes a monthly newsletter containing DX information and meeting minutes, with a recent brochure and membership application dated May 2024. The club actively promotes DXing, allocating a portion of its finances to support DXpeditions, and several members have also financed their own expeditions. The NODXA roster was last updated in June 2015, and a list of supported DXpeditions was revised in June 2024. Tedd Mirgliotta, KB8NW, serves as the club president and is the editor of the OPDX Bulletin, a widely distributed internet and packet cluster resource. Meetings are held on the first Monday of each month at Amici Italian Restaurant & Bar in North Royalton, Ohio, located at 13000 Royalton Road, near the intersection of Route 82 and W.130th Street. The club leadership includes Dennis Stuber, K8LBT, as Vice President; Glenn Williams, AF8C, as Secretary; and Mary Michaelis, N8DMM, as Treasurer.

ICNIRP is a calculator software that allows you to determ safety distances for many know amateur radio antennas with respect to ICNIRP limits developed by DL9KCE

The resource provides specific information regarding amateur radio operations from various French islands, focusing on geographical and visual data. It includes photographic documentation of locations and detailed maps, which are crucial for operators planning DXpeditions or seeking to understand the unique challenges and opportunities presented by island activations. The content aims to support enthusiasts interested in rare grid squares and IOTA (Islands On The Air) awards. While currently under maintenance, the site's stated future enhancements include QSL card examples, which would offer practical insights into confirmation processes for these specific entities. The emphasis on French islands distinguishes it from more general DX resources, providing a concentrated body of information for a niche but active segment of the amateur radio community, particularly those pursuing island-specific operating awards.

Carteret County NC Public Safety Live Scanner Audio Feed

Slot antenna definition at wikipedia

Review of LDG Z-11 Pro Antenna Tuner

Log Online for T02TT DX Pedition

Review of the Kenwood TS 830

NVIS definition at Wikipedia

A personal review about the Yaesu FT-817

Live feed for NHP rural areas of Moapa Laughlin Primm Alamo Indian Springs

kv5r 2 meter antenna

W4TI Rotator Installation

Wikipedia page about the Amsat Oscar 51

First pictures and links for the Kenwood TS-990S HF and 50 Mhz transceiver releases in May 2012

Review of Logikey K-5 Keyer

Live audio of the National Hurricane Center’s Skywarn Nets. This live feed covers several different states, and locations throughout the US including: TX, LA, MS, AL, FL, GA, SC, NC, VA, MD, DE, PA, NJ, NY, CT, RI, MA, VT, and ME

Mark Connelly, WA1ION article on Medium Frequency Amplifier Circuits in PDF format, include some RF amplifier schematics

With spectrum analysis of beacon signals, it's possible to see features relating to various propagation phenomonen.

Contains stories, pictures, audio files of all previous expeditions and current ones.

Illinois Cook County, police scanner includes Chicago Fire Dispatch channels (North, South, and HazMat)

Wikipedia page dedicated to the T2FD antenna

DX Century Club First post-WWII Countries List

Understanding Solid State Linear Amplifiers

Home page for DXpeditions to Arctic areas!

A comparison of the buddipole antenna versus a wire dipole done on 20 meters band

Independent non-profit-making federation that try to act as the link between the listeners and the free radio stations

DXpedition by Jorge/OA4BHY, Rene/DL2JRM, Bodo/DL3OCH, Daniel/DL5YWM

A simplified Guide to the FT8. Dxpedition mode. By Stefano IK2HKT – Rel. 2.0.0 - January 2019. This document explains how to configure WSJT to work on F/H mode DXPedtions, how to operate and make a call to a dxpedition calling CQ in FT8 Fox Mode.

ex 9q5hx, s79hx, 4l1hx, 4k1hx, 4j0/ik2bhx, j3/k2bhx, 4u0g, operator at IR4T, J3A, 4U1ITU, 4U1UN

The Kenwood TS-2000 page at wikipedia

Mediterraneo DX Club, IOTA and dx newsletters

The VX-6R page at wikipedia

The mark 2 Crossfield Antenna was described in Sprat 76 by Alec, GD3HQR

An article on RFD antennas, resonant feed-line antennas

Wikipedia page about amateur radio spectrum assigned to the amateur radio service

Here a comparison of Kenwood TS-590S used with MC-60A and the oringina dynamic microphone

Ham Radio store with on-line shop in Bari Italy

A review of the Buddipole Deluxe Antenna portable HF VHF ham radio antenna

Home build a Kenwood PG-5A cable. This lead is the audio data cable for some of the Kenwood Mobile transceivers

Operates Singapore's largest radio network with 11 FM stations and 3 shortwave stations providing sound entertainment and up-to-the-minute news and information locally and internationally.

High Speed Multimedia Radio Introduction by ARRL Working Group Chairman. Report of the High Speed Multimedia (HSMM) Working Group ARRL Board of Directors 2006 Annual Meeting January 22, 2004

How to run an SDR Receiver on the Android Google Nexus 7 using SDR Touch App and an RTL-SDR dongle, review and costs by IW5EDI