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Sam Houston amateur radio klub club cleveland texas 146.900 shark club n5ak

A guide to properly use FT8 ALC and power when transmitting in FT8 Mode. Incorrect usage of power and audio from your computer may cause unreadable signals and transmit harmonics that can didturb other signals.

ZL2ARG Nelson New Zealand

STØR Souther Sudan dx pedition july 2011

Operating a QRP station in frigid conditions presents unique challenges, particularly concerning power management and equipment reliability. This resource outlines a specific winter portable configuration, focusing on maintaining operational capability when temperatures drop significantly. It details the use of a _Yaesu FT-817ND_ for digital QRP modes, paired with a _Raspberry Pi_ for digital signal processing and logging, demonstrating a practical approach to cold-weather field communications. The article provides insights into selecting appropriate power sources, such as LiFePO4 batteries, and managing their performance in sub-zero environments. It also covers shelter considerations, including tent selection and heating strategies, crucial for operator comfort and equipment protection during extended activations. The author, _OH8STN_, shares firsthand experience from Arctic Circle operations, emphasizing robust gear choices. Further content includes a video walkthrough, illustrating the physical setup of the station, antenna deployment, and the overall operational workflow in a winterized environment. This visual aid complements the written text, offering a comprehensive view of the entire portable station, from the transceiver to the power system and the protective shelter.

WA8MCQ modification for the Heathkit HW-7 transceiver

Easy to use logging and keying software for CW and SSB, for HF and VHF. Contains the unique synthesized voice keyer.

Pilot of The Airwaves

Basic anctenna theory, general information on antennas

This tutorial provides background information on the decibel and instructions for performing calculations involving decibels. This tutorial combines information from several authors, including Bob DeVarney, W1ICW; Walter Bahnzaf, WB1ANE; and Ward Silver, NOAX

The No-Nonsense Technician-Class License Study Guide for tests given between July 2014 and June 2018, download the free PDF by KB6NU

Just a whats happening in ham radio and things in my life here

This article will explain a few of the ways author use an external SDR and Linrad to enhance his K3 experience. Linrad is one of many available SDR receiver programs. The same could be done with any radio that lets you access its IF frequency output. Article from NCJ Nov Dec 2019

In this article the author analyze six different type of VHF handheld antennas and as result of his self training on his new vector network analyzer published this interesting report

The Telegraph Office Magazine

Operating pedestrian mobile by G3XBM

How to make your HT last for days and get out like crazy

The purpose of this article is to provide radio amateurs with enough background information to understand the technical challenges involved in small-station digital EME on the 144 and 432 MHz bands.

Listing of North American Class 1, industrial,short line, tourist and transit lines. Includes a listing of all the frequencies sorted numerically.

Dedicated to antique radio and their preservation

Linux Open Source and ham radio for everyone blog

Articles for the sight impaired

How to build a low-pass filter to remove alternator whine from your car

overview of radio signals and radiowave propagation and how different areas of the atmosphere affect radio communications.

Interesting article on how Marc Van Stralen, PA1HFO, took the Drake TR-7 Transceiver to the Next Level.

Ramblings on amateur radio, flying, programming, martial arts, the Macintosh and who knows what.

Articles on the correct placement of ferrite noise suppressors are common, but little has been written about the different options and where to buy them. This page contains an interesting comparison of several ferrite types used to reduce RFI.

Article about the microstrip antenna, which is also commonly referred to as the patch antenna.

Use your Smartphone as an Oscilloscope to visialize signals from 150 Hz to 15kHz and as a Signal Generator to generate sinusoidal, square and triangular signals up to 15kHz

W4RAT based in the Virginia capitol city of Richmond.

Franklin, Indiana

BPQ32 allows a computer running under Microsoft Windows to act as a Node in a NET/ROM compatible AX25 network, and to support a multiuser Mailbox, or other similar applications.

Identifying The Drake TR-7 Differences and Versions

How new technologies affect the art of contesting by DH1TW

Propagation forecast for the southern African region by SANSA

A blog about ham radio. A blog dedicated to cool stuff like ham radio, birdwatching and bus timetables

Wild Rose Chapter 151 - Alberta

Founded in 1976, the Aroostook Amateur Radio Association was organized to foster support for those people interested in the hobby of Amateur radio.

RSGB article for beginners. How to build a dipole antenna, construction tips and correct setup of inverted-ve dipole antennas

D-Start site sponsored by Icom Uk

Police scanner buying guide gives you everything you need to buy the best police or radio scanner. Includes, images, helpful links & more.

NEC models are used to explore the GR5V and ZS8BKW optimizations. A third optimization is also rediscovered. The effect of fixed lengths of 75 ohm coax are explored. A link to the NEC model is provided.

What is VSWR and why you should care, formal definition of VSWR and SeaSonde Measurements, formulas

The Eastman Amateur Radio Club (VE4TG) operates a **VHF repeater** at 146.73 MHz and a **UHF repeater** at 444.15 MHz, both located at the Manitoba Hydro gas-fired generating station near Selkirk. These repeaters are situated on the power plant roof, leveraging its infrastructure for antenna placement. The club's primary objective is to offer a reliable local repeater site for members in the East Selkirk and Lockport areas, ensuring consistent amateur radio access. Beyond routine communication, the club maintains a standby communications link to assist local municipal authorities during emergencies requiring communications support. The unique repeater site location at a generating station provides a robust backup power supply, enhancing reliability. The club also organizes activities such as a weekly net and participates in WARC Field Day, fostering community engagement and operational readiness.

From 1921 to 1924, radio amateurs experimented with transmitting across the Atlantic. Everyday Engineering magazine organized the first sending test with English amateurs prepared to listen for signals from the US

A complete list of resources for the Kenwood TS-850 mantained by TK5EP

Feidaxin FD160/FD150 repeater programming instructions

Noise bridge circuit to tune your tuner

A world-class amateur radio contesting club, is represented by two chapters in North Carolina and extends as far north as Pennsylvania and Delaware.