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The club is promoting awareness of Henry Hudson's 400th anniversary voyage of discovery, as well as encouraging others to try amateur radio and foster goodwill.

Radio Astronomy Supplies astronomy products since 1994 including radio telescopes, LNA's, noise callibration source, books, videos.

RCARS has been formed to be a non-profit corporation dedicated to the safety and welfare of the citizens of Robeson County in times of emergency, disaster or other communications breakdown or overload.

Considerations and benefits of using solar power for amateur radio by CT Solar

A quick and easy logging application designed for BCL and shortwave listeners, requires a recent Windows OS and .Net Framework

Repeaters: 146.970 444.475 La Crosse, Wisconsin

Serving amateurs in Wisconsin since 1969

An interesting guide about APRS (Automatic Position Reporting System) and to Digipeating through the International Space Station - ISS

Michael p. o'connor's blog on the web

APRS Internet Gateway in Folkestone, Kent UK

This site is dedicated to co-ordinating the APRS activities in Ottawa, Ontario, Canada and the surrounding region.

Specialist UK manufacturer of high performance compact HF antennas

Software Defined Radio, QIRX is 64-Bit software, based on TCP/IP raw data, running with any RTL-SDR dongle being driven by rtl-tcp.exe.

Map and list of amateur radio Repeaters in Ukraine in Russian

Amateur radio daler for Cushcraft Heil Sound, Hustler Kenwood Yaesu SGC amateur radio products in South Africa

During the night, radio waves can travel a little farther up reaching the F1 layer, offering chances to lister AM Stations that are impossible to hear during the day. Learn more on sky-wave propagation on this article

The home page of WSJT-X Improved, an enhanced version of WSJT-X, the popular tool for hams interested in digital modes such as FT8 and JT65. The software provides enhancements and improvements to the original WSJT-X program, making it easier and more efficient for ham operators to communicate digitally. Whether you are a beginner or an experienced operator, this download can help enhance your digital communications capabilities. Free downlaod and full description of improved features.

Quads beams consist of 2 1 wavelength (approximately) loops, ordinarily arranged so that one is the driven element and the other is the reflector. In this project author explains how to build a two element Quad Antenna for the 28 MHz.

Information on Amtor mode with protocol details

Statio evaluation guidelines and rules for correct antenna setup

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

A compleete guide to program the Tytera MD-380 DMR, installing the TYT software, setting the DMR ID and adding the contacts.

The ICOM IC-7600 is an improved version of the IC-756 Pro and Pro II review by N9EWO

Community focused organization made up of Amateur Radio Operations from the Gordon County and the North Georgia area.

KB1NIR B.K. DeLong personal blog

small but dedicated group of radio operators who primarily operate on a simplex on a frequency of 147.435

LY4A contest station ,hamradio ,contesting,DX News,DX Info.

Demonstrates MegaPhase's extensive product line of RF and microwave coaxial cable assemblies and components, engineered for demanding applications up to 110 GHz. Key offerings include _Test & Measurement Cables_ with superior phase and amplitude stability, _RF & Microwave Cables_ utilizing _GrooveTube®_ technology for high power systems, and a range of RF components like directional couplers and power dividers. The site details specific cable types such as _Alumibend™_ for space-qualified, ultra-light applications through 90 GHz, and armored cables designed for rigorous environments up to 50 GHz, emphasizing their robust mechanical strength and measurement repeatability. The resource highlights applications across diverse sectors, including space programs like the _Hayabusa_ mission, global security (C5ISR), military airborne systems (MIL-T-81490), telecom, and automated testing. It also provides technical insights through "How To" guides on measuring amplitude/phase stability vs. flexure and proper connector cleaning. The company's commitment to quality is underscored by its rigorous testing protocols and a strong warranty, ensuring reliable operation in critical systems.

Pictures and description of a multiband HF mobile setup by N4AIT

RF is causing strange issues on the touch sensor buttons, controlling inputs, volume, channels on Samsung LCD TV. Solution is to disable front touch panel.

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.

When you get out of the car, strap your D710 to your old HT and continue APRS inside

Waldo County Amateur radio club. We are a club that supports the greater Belfast area and Waldo County ham community.

Article that try to answer to questions that arises about losses in the ladderline, and how they change when the line is wet by g3txq

TLV80 is model of a Top Loaded Vertical Antenna is doing a good job for DX on 80 m band. A version for 80m-30m is provided.

A source for Information, links and images about the "Northern Lights" on-line since the Web began

Bi-Directional 2.4 GHz One Watt Amplifier With Receive Pre-Amplifier. This will show you how to add a bi-directional, 2.4 GHz amplifier to your Proxim Symphony for under $100

A homebrew project about a bluetooth interface to connect a transceiver to an audio headset.

FG5LA amateur radio in Guadeloupe Island F.W.I

Resources related to Morse Code and Amateur Radio

A portable home made wire dipole antenna that works on 40 30 and 17 meters band.

The Address Doctor, postal code lookup engine

The PL259/SO239 (aka UHF) connectors have harsh critics and religious defenders. Questionable measurement techniques complicate matters.

A 160 Metre Transmitting and Receiving Thin Wire Magnetic Loop Capable of DX. Designed and Patented by Ben Edginton G0CWT

PDF file of the Uniden BC72XL Manual

Converting a computer\'s VGA output for an oscilloscope

Amateur radio of clarion inc. an organization committed to emergency communications and the advancemet of amateur radio.