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Setting Up the SDR-1000 for WSJT using VAC 4.03

QRP amateur radio & stuff by Adrian YO4HHP

Helix antenna 432/435 MHz 14 turns. This 50 ohm impedance antenna allows, when fed with 25/50W of SSB RF, to join the orbiting satellites like AO-40 and AO-10 very easily

Delta Electronics, Inc. NY USA, family owned and operated selling all varieties of consumer electronics including 10 meter amateur radios, antennas, accessories, microphones, cw transmitters, coax cables and more

Picture and specifications of the ICOM IC-2100H Amateur radio VHF transceiver at RigPix.com

Yahoo 360 hma radio blog

King Conversions has extensive experience in amplifier repair and conversion King Conversions specialize in converting HF amplifiers to operate as monoband amps on 50 MHz

About keying speed affecting occupied bandwidth of a transmitter.

This project is a 40 meter to 6 meter CW "no tune" transverter using ten 2N2222 transistors and one 2N2907. The transverter requires 2 watts of drive from a 40 meter cw transceiver and outputs 2 watts on 6 meters.

Amateur radio, commercial, two way handheld and mobile transceiver manufacturer produce VHF UHF analogn and digital DMR two-way radio

Yahoo discussion list for Kenwood TS-850, TS-450 and TS-690 users

W0VLZ ham radio experience incuding vintage homebrew QRP operating and national radio company

Harris Platinum I Solid State Channel 2, and 3 TV Amplifier Modules for use, on 50 or 70 MHz

TX3A Official web site of Chesterfield Islands dx pediition from Nov 23 to Dec 6, 2009.

While transistors have many uses, one of the less known uses by amateurs is the ability for bipolar transistors to turn things on and off

W7ED amateur radio club

Designed for portable operation, it runs on 12v, and has an OCXO-based local oscillator.

Article descrive the different types including coax and open-wire feeder and waveguide.

Designs and manufactures high quality, dependable power products.

Some recent videos of the new Mid Class RTX by ICOM, the IC-7610 HF+50MHz amateur radio transceiver.

Kingston, Ontario, Canada A RAC Affiliated Club

Broadcasting from the ship the Jenni Baynton moored in Harlingen Harbour in the Netherlands, Radio Seagull can be heard on 1602 KHz AM

Presents the Westcoast Amateur Radio Association (WARA), VE7VIC, a prominent amateur radio club situated in Victoria, British Columbia. The site details the club's organizational structure, including its executive committee and meeting schedules, offering insights into local amateur radio governance and community engagement. It outlines various club activities, such as field operations, technical projects, and social gatherings, demonstrating the diverse interests of its members within the amateur radio hobby. The resource also highlights WARA's involvement in emergency communications, specifically mentioning its role in local ARES (Amateur Radio Emergency Service) initiatives and public service events. Information regarding repeater systems maintained by the club, including operational frequencies and modes, is provided, which is crucial for local hams seeking reliable communication infrastructure. The site also features a section dedicated to membership, detailing benefits and application procedures for prospective members. Furthermore, the website serves as a repository for club news, event calendars, and educational resources, supporting ongoing learning and participation among its members and the broader amateur radio community in the Pacific Northwest region. It also includes contact information for various club officers and general inquiries.

Founded in 1947 in Rochester, NY, the Rochester DX Association is an amateur radio organization dedicated to the art and science of DX operating and contesting.

Carolinas Chapter of the Antique Wireless Association Inc. "CC-AWA"

A comparison of commercial 4m verticals by by Ian Hogan G6TGO

This FM wireless mike can transmit voice signals to any FM Radio receiver 100 meters away.

Icom-PW1 Power Supply repair and improvements

A Phased Array Switchbox by ComTek founder K8UR, switch your 4-Square in 8 directions and control it remotely over the internet

HAM ramblings from VK3TEN

This caution applies to all Icom HF transceivers. Based on a discussion with Matt Erickson, KK5DR

NYQsl.com - Full 2-sided color cards of excellent quality. Individual designs available. Fast turnaround based in NY USA

Manufacturer of RF generators, attenuators, counters and LCR meters

A document describing the reparing and restoration of an old Heathkit SB-101 power amplifier

The San Bernardino Microwave Society, operating under the callsign _W6IFE_, serves as a significant technical hub for amateur radio operators specializing in frequencies above 1 GHz. This organization's influence extends across Southern California, providing a centralized resource for advanced RF experimentation and **regional frequency management** within the microwave spectrum. Its permanent value lies in its extensive archive of technical papers and project documentation, which are critical for operators engaged in high-frequency design and deployment. The society's infrastructure is primarily intellectual, focusing on the dissemination of specialized knowledge rather than a conventional repeater network. It offers a robust collection of technical papers from prominent members like K6PIP, K6BLG, and WA6EXV, covering topics such as Rubidium oscillator data, logging software, and filter design. This resource facilitates advanced amateur radio operations, including participation in microwave contests and the development of custom transverters for bands like 24 GHz. The site also details various member projects, such as the Owens Valley Radio Observatory Project, showcasing practical applications of **RF propagation analysis** and system integration. DXZone Focus: Microwave | Technical Papers | RF Propagation | Contest Results

Ultra High Efficiency Alternative Energy System Controllers

Vintage radio and scientific apparatus by john jenkins, include antique radios, Horn Loudspeakers, Vacuum Tubes, A.C. Receivers

How to setup a band-tracking panoramic signal display to work along to your transceiver.

This amplifier takes advantage of the proliferation of surplus cellular 26v RF boards

ZW5B ARRL affiliated DX Group

Established in 1975, ASELSAN, has become a high technology, multi-product establishment by introducing state-of-the-art products and systems solutions for both military and professional applications.

How to build a complete Single-Sideband amateur radio transceiver from scratch. Article published on hackaday dot com includes an introduction to radio architectures, ssb receivers and tramsitter

The first EME history was written in 1944 when first EME echoes were received on 564 MHz by German Wurzmann radar according to the article by Dr. Ing. W. Stepp.

Array Solutions AIM 4170 Antenna Impedance Meter, QST Review

L32 LogSync application will allow you to sync your Logger32 logbook with various services and servers. Provide interface for Logger32 and LoTW EQSL ClubLog HRDLog QRZ.com

A QSL card is a written confirmation of a two-way radiocommunication between two amateur radio stations. The QSL card has been the most important part of Amateur Radio communications procedure for many years. QSL cards are used for awards and for just the pleasure of collecting the cards.

Middle Georgia USA contesting station. Consistent record holder in 160 meter and 40 meter contests.

Repeaters: 146.970 444.475 La Crosse, Wisconsin

BU2AI and BU2AO Taipei City, Taiwan