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How to improve performance of your audio using a home made speech processor. In this article the author describes how to make your own speech processor providing a PCB foil pattern and with a 60mm x 60mm board. -
Introduction to homebrewing antenna, for AM FM band reception -
An international non-profit organization dedicated to the perpetuation of the knowledge and traditions of telegraphy -
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2009 Chatham Island, New Zealand dx pedition A multinational team of nine ZL DXers is active from Chatham Island in the South Pacific -
The Traverse Bay Amateur Radio Emergency Communication Group -
Clough-Brengle history, US company manufacturer of test equipment, amplifiers and accessories built and maintained by Ron Lawrence W4RON -
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Information related to the G7IZU Radio Reflection Detection page. The detection of meteors, aurora and other phenomena through the use of signals reflected from ionization in the upper atmosphere. -
The Gippsland Gate Radio and Electronics Club Inc. (GGREC) is a group of amateur radio operators and electronics enthusiasts who promote all aspects of hobby telecommunications, computers and electronics -
An article about building home made Go Kits also using Tac-Comm tactical radio carriers -
BARA is an ARRL affiliated club in Barry County, Michigan, which is located in the southwestern part of the Lower Peninsula. -
P4-A narrowband transponder Operating Guidelines and Band Plan, coverage map of the QO100 geostationary amateur radio satellite -
Design a parallel square stock balanced transmission line with this calculator. -
A review of the Wouxun VHF UHF handheld transceiver KG-UV8D -
Shore Points Amateur Radio Club of Southern New Jersey, Atlantic County, NJ -
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Homebrew Antennas, Transmitters, Receivers, Converters, Keyers and SWR/RF Current Indicators with photographs an excellent blog with many projects by VU2NAN -
The project in this article illustrates how to do this in a simple and low cost way so that you can easily access the microwave bands using the existing HF or HF/VHF transceiver as IF. -
CERT Communications Team Procedures Alinco DJ-191 quick reference in a four pages PDF file -
ARRL National Traffic System, During disasters or other emergencies, radiograms are used to communicate information critical to saving lives or property, or to inquire about the health or welfare of a disaster victim. -
W3FF, N7UN, WD9CMD, N7BF, WF2S, K9CJM,AA4OC, WU1B December 2011 -
CH21A Nauru, IOTA OC-031 11 Jan 2012 to 07 Feb 2012 operated by HA5AO & HA5UK -
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Magane local repeater GB3HI -
Amateur radido station KB1HNZ operator Tim Watson, Gorham, Maine. -
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Remote SDR is a web application allowing to remotely control an amateur radio transceiver between 1 MHz and 6 GHZ. It allows processing of Adalm-Pluto SDR in addition to HackRF or RTL-SD Reception in NBFM, WBFM, AM in addition to SSB Transmission in NBFM or SSB and more -
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A basic YAGI UDA online antenna calculator, accept as input frequency, number of elements, diameter of parasitic element and boom diameter. This online calculator will generate a basic design data including each element length and spacing. -
AARC is an ARRL-affiliated Special Service club with a rich history of service to the Alamance County, North Carolina area. -
This paper presents the method of calculating the maximum usable frequency (MUF) and field strength of radio waves reflecting 2 times at the F2 ionosphere layer under inhomogeneous conditions of the ionosphere. The comparison between predicted and measured MUF has shown that the proposed method significantly increases the accuracy of calculation MUF. -
With my present QTH a beam antenna is no option, but I wanted a multiband antenna which covered as many bands as possible. After some investigations I decided to put my money in the Cushcraft R-8. -
Oberbayern (C) Ortsverbände München-Land (C09) -
This is a compact three transistor regenerative general coverage receiver with fixed feedback. The sensitivity and selectivity is relative good, especially on the LF and MW bands, as can be expected with this simple design. -
If your 756 has lots of noise with crackles and sweeping heterodynes, especially noticeable on AM, it may be due to a faulty electrolytic capacitor in the noise-blanker circuit -
Description and online calculator for Log Periodic Dipole Arrays LPDA are directional antennas featuring a relatively constant characteristics across a wide frequency range. -
This website provide online calculator for several values about a large variety of toroids. Freq/L/C/Z/Turns Calculator, Impedance Matching Network Calculator -
Located in Salisbury NC, the county seat and largest city within Rowan County -
Author experiments end fed half wave antennas using common two conductore speaker wire, this article features a couple of end-fed halfwave wires for the 40M and 20M bands. -
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A dual band vertical antenna for 160 and 80 meters band, on a 18m spiderbeam fiberglass pole. This vertical is a good compromise when you want good performance on these two low ham bands and don't have the space to install two seperate antennas. -
Annual poll for radio amateurs - the good, the bad, the ugly! This is an annual survey conducted among the online community, and it represents the status of amateur radio. The authors ask to hams several questions, from the most used operating modes, to the typical ham radio lifestyle habits. -
Generate APRS Passcode using PHP for use in Amateur Radio APRS Applications when connecting to the APRS-IS Network -
Commercial VHF UHF antenna maker based in Brazil -
The Award is given for two-way QSO or SWL-report with Belarussian places who having old castles and palaces. -
CB station AP from Lieksa Finland -
First italian HamFest in Florence Italy, fleamarket, dx covention and contest price giving 6th April 2013
