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An unique method to listen to QRSS signals is... using an old tape recorder with variable speed -
A home made Antenna Tuner made with a simple inductor and a few spare parts. Despite the title, the author succesfully tested this ATU with higher power inputs. -
The Crossroads of America Amateur Radio Ladies Association is an association of female amateur radio operators from Terre Haute, IN, and the surrounding area. -
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Data sheets for most of the major components of the K2 -
Work any five Province of Québec Lighthouses -
Schematic diagram circuit to build a RS232 serial interface for the Yaesu FT 1000D, works also as CW Keyer control with Log-EQF software. May be used with other Yaesu HF Transceivers. -
A HF power amplifier with a push-pull of AFT09MS015N. The (small-signal) gain of the amplifier is around 26 dB in the lower HF band and goes down to about 24 dB on the higher end and still around 21 dB at 50 MHz. Its input matching is relatively good at the lower HF and degrades above 10 MHz. -
These band filters are based on 3 or 5 sections Butterworth band pass filters, maintaining 50 Ohm impedance, and when built around toroidal inductors, can be made very compact. -
The South Milwaukee Amateur Radio Club is an ARRL general-purpose affiliated club with Hams from all interest groups -
How to build a Simplified Arduino CW Trainer, this is a version that does not need a keyboard. -
VHF repeater located in bedale north yorkshire -
Elecraft K2 mod. Narrower bandpass filter, better stopband attenuation -
Yaesu FT-450D HF / 6 Meter DSP Transceiver, a nice affordable transceiver for amateur radio use, but understand the caveats. -
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The Tararua Amateur Radio Club, Branch 06 of the New Zealand Association of Radio Transmitters (NZART) is an incorporated society for Radio Amateurs and interested persons. -
A detailed review of the Icom IC-7700 by VA7OJ/AB4OJ -
Amateurfunk Homepage des DARC Ortsverbands Vaterstetten C01 -
An home made simple spectrum analyzer project includes pictures and diagram. -
Most Common Service Questions for the Icom IC-R7000 and IC-R7100 -
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This page provides a list of scanner frequencies for hams in the UK. It offers a comprehensive guide for ham radio operators looking to find and tune into various frequencies for communication. The page is useful for hams who want to explore different channels and connect with fellow operators in the UK. Whether you are a beginner or an experienced ham radio enthusiast, this resource can help you discover new frequencies and expand your communication network. -
DX Pedition from Palau T88RF Apr.30 - May 4, 2012 -
FP, St Pierre - Miquelon from about 15 March to 21 March 2011 -
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Active RDF club in California -
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Dedicated to promoting the contributions of women in Amateur Radio. -
Amateur Radio Section, Isle of Wight England UK -
A 3 band dipole antenna for 40-80-160 meter bands, It's made with easily available materials and is designed for inverted V mounting. The antenna is shortened for these bands, but still manages to make contacts in 80m and 160m with stations in Canada and the USA. The construction details are provided, including the dimensions of the antenna elements and the traps. The antenna is easy to build and provides good performance in all three bands. In Italian. -
This small dual band UHF VHF directional antenna is good choice for portable operations. This antenna is composed by a moxon antenna for the two meters band and it includes two parastatic elements for 70 cm band. -
FSQ is a Fast Simple QSO mode designed specifically for HF. It works well under NVIS and sunrise/sunset conditions on the lower bands, and also works well for short skip and grey-line on higher bands and can be used also on VHF FM. -
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separate the K2 dot paddle input from the PTT -
Amateur Radio enthusiasts who are interested in the LF and MF bands may be familiar with WSPR and WSJT JT9. Used as a propagation probe or beacon, WSPR allows very weak signals to be detected, frequently as weak as -27dB SNR. -
Hy-Gain TH3jr Tri-band HF 3 Element Beam Covers 10, 15 and 20 Meters assembly instruction manual -
2 Wavelength ,2 Meter Bi-Square Beam , 5dbd gain. This antennas are very cheeap to build and their radiation pattern is similar to a figure 8 with maximum signal through the loop but they may be used as a near-omnidirectional antenna -
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This will document a custom version of the K4EAA Dummy load done using 20 1K ohm 3 Watt Resistors, Piece of brass sheet, a quart paint can and a BNC connector -
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The Dickson County Amateur Radio Club (DCARC) operates as a local organization for amateur radio enthusiasts in Middle Tennessee, providing a focal point for hams in the area. The club's activities typically encompass local nets, technical discussions, and support for emergency communications, aligning with the public service aspects of amateur radio. Members often engage in various operating modes and bands, sharing knowledge and experience to enhance their collective skills. Club members participate in field days, local contests, and community events, demonstrating the practical applications of amateur radio. These gatherings offer opportunities for new hams to gain practical experience and for seasoned operators to mentor others, strengthening the local amateur radio community. The DCARC serves as a hub for camaraderie and mutual support among its members, contributing to the vibrant ham radio scene in Tennessee. -
A Western Pennsylvania Radio Guide -
This transmitter covers the 160, 80, 40 and 20 metre bands and provides both SSB and properly generated CW. The CW side of this transmitter is not compromised and produces excellent CW. On SSB the audio has been tailored to provide a rising response to 3 KHz, with a sharp drop above that frequency. There is RF speech clipping to both provide more "punch" and to limit the peak output. -
This will show you how to add a RF power amplifier to your Proxim Symphony for under $50. The cost is reduced by using the existing components on the Symphony, such as the PIN diode switch, and just inserting a higher power final amplifier. Increase the RF output power of your wireless network card to 1 Watt. -
Testing the Icom IC-7700 on the mediumwave broadcast reception by VA7OJ -
Echelford amateur radio society is based in ashford, middlesex, uk. has about 80 members. -
S.C.A.R.T is a club based in the Southampton area of the UK open to everybody who is interested in amateur television and video related subjects. -
A very essential j-pole antenna for 144 MHz. To adjust the SWR you will have to play with the 40mm distance between the coax feed and the braid inner conductor connection
