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Instruction on setting up an RTLSDR dongle under Linux Windows and MacOSx -
Configure the Kenwood TS-590S for Digital Voice Keying DVK, a must for contesting. -
The Kenwood TS-870S HF transceiver features two state-of-the-art 24-bit 20 MIPS DSP chips, providing over 100dB out-of-passband attenuation and CW bandwidth adjustable to 50 Hz. It operates across 160-10 meters with 100 watts output, incorporating digital filtering, a beat canceller, and 100 memory channels. The radio also includes a transmit equalizer, RX antenna input, and a K1 Logic Keyer, enhancing signal processing and operational flexibility for amateur radio operators. Advanced capabilities include IF stage DSP, dual noise reduction, and an auto notch filter, all contributing to superior signal reception and clarity. The TS-870S offers a variable AGC, voice equalizer, and an RS-232C port for computer control, with Windows™ software supplied. Its built-in automatic antenna tuner functions on all bands for both transmit and receive modes, streamlining station setup and operation. Available accessories such as the DRU-3A digital recording unit, SO-2 high stability crystal oscillator, and VS-2 voice synthesizer option further extend the transceiver's utility. The unit requires 13.8 VDC at 20.5 Amps and is supplied with an MC-43S hand microphone, making it a comprehensive station component. -
SWR and Transmitters Friends or Foes!, making sense of it! -
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N4KGL review of the Elecraft KX3 transceiver based on first experiences in portable operations. -
Band filters for PA6Z made by PA9M, designed by W3NQN. -
This Antenna project is a bit more complex than other omni antennas for satellite use, but it is much easier and cheaper than a standard tower mounted circular polarized azimuth and elevation rotating beam system. -
Free programming software for the Yaesu VX-2 and VX-2R -
About SDR Radio, basics and a how to guide -
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Converting the Jabra A210 Bluetooth Interface for Ham Radio -
NS8O portable generators -
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Setting up the necessary Software for the Softrock 6.1 is a bit tricky, images and screenshots hopefully bring some light into the dark -
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This document has been produced by examining the data going into and coming out of the TH-D7 HT from Kenwood. -
This simple beverage ntenna is easy to make, easy to setup, and it offers great RX performance. -
Moonbounce is the ultimate long path DX. It is exciting and allows you to literally work the world on VHF and UHF. It is not as difficult as you may think. Here is how to get started on this most exciting mode -
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Have wondered why a Smith chart has such strange grid lines. Believe it or not, there is a logical progression from Speedometers to Smith charts that will make the Smith grid crystal clear. -
Diamond Antenna CP22E VHF base station antenna review. This antenna has a remarkable design achieving 5 dBi directivity in a slim low-profile design. -
Homebew a frequency marker by 7N3WVM -
Spectrum manufactures very high-performance, low-cost, GPS-disciplined time and frequency reference standards for industry, scientific, calibration, broadcast and amateur operators. -
13cms and 23cms ATV my projects and builds. Also using wifi amps on 13cms, 13cms dish feeds using a Sky dish. GB3CZ -
Official kenwood document explaining proper procedure to upgrade firmware on a Kenwood TS-590S -
An SDR classification model edited ty Christophe F4DAN The model consists in describing a SDR with letters and digits, each one indicating the value of the corresponding key parameter. -
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A NiCAD Battery Charger with Current and Voltage Limiting -
Measure the AC current flowing through your appliances -
An homemade HF, 6m, 2m SSB CW transceiver project by m0dgq -
Current consumption of the Yaesu FT-817 -
One way to keep your home station on the air during a power outage. -
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Windows shareware contest log program for the ARRL 160 meter contest -
A tower grounding project using copper tubing to help protecting an antenna tower by WD0M -
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John Shannon, K3WWP article on basics of learning morse code using a straight key. -
Linrad and SDR-IQ Software Defined Receiver on Shortwave -
A page full of info and resources for hams. -
Modifications to an Ameritron ALS 600 power amplifier by AF6SA -
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KTune is a small utility that allows you to use a Griffin Powermate USB knob to tune your Elecraft K3 radio. -
The purpose of this webpage is to document an attempt at this project starting with the 80m core receiver first and also having the parts on hand for then adding the first dual conversion band (40m) -
A simple DIY signal generator based on NorCal QRP club kit -
Amateur Radio, SkyWarn, RACES, ARES, and more -
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The cable testing approaches discussed in this article gives an idea about the electrical characteristics of a coaxial cable. Velocity of Propagation, Characteristics Impedance, Return Loss Measurement and more
