kit audio fm

Balloon Antennas - Launching a balloon or kite supported tall vertical or protracted inverted L.

ZL SPECIALE for 10 M - A drawn of a ZL Special antenna for the 10 meter band or 28 Mhz

Beverage transformer notes - Notes on beverage transformers collected by N1EU

Rodeo City Radio Club - Ellensburg, Kittitas County, Washington, USA

KC7Z North Kitsap Amateur Radio Club - Promoting Amateur Radio in Kitsap County Washington

WR7UKC Upper Kittitas County Amateur Radio Club - First started in the early 80's by a small group of Hams that resided in Cle Elum, Washington.

N7IG South Kitsap ARC - ARRL affilitated club and a Washington Sate nonprofit corporation.

Hamnet - Listen to the SARL Hamnet weekly audio report transmitted on Amateur Radio Mirror International Sundays at 10 CAT Sunday

HexKit.com Hex Beam Base Plates - Fabricates baseplate components, and provides hardware kits for DIY hex beam antennas.

FMI - FMI provides superior solutions in the design and manufacture of frequency control devices including Voltage Controlled Temperature Compensated Crystal Oscillators (VCTCXO), voltage controlled crystal oscillator (VCXO), Temperature Compensated Crystal Oscillators (TCXO), crystal clock oscillators, high temperature oscillators, surface mount and crystal oscillator products, phase locked sources and more.

KD1JV Designs - QRP Kits and Projects for the low power Amateur Radio enthusiast

Shell Engineering : E-Z-TY - Ezty rope clamp manufacturer making your rope and anchor line tasks simpler. Custom made products for all your boating needs. ropes lines, rope clamps, dock lines, end tips, sleeves, sliding locks, clamps, hooks, plastic hooks, tie down kits

FM Repeater Database - Via this interface you have access to one of the biggest databases on amateur radio voice repeaters.

Mid-Latitude Sporadic-E (Es) - This article was originally written in response to a brief review of the basics of sporadic-E

Technology Systems - Supplier of Heathkit documents, full high quality manuals fom NEW manuals, full catalogs all pdf format. Schematics and 1000 pictures

2 kW HF Amplifier Rebuild - Heathkit SB-220 amplifier repaired at W8UM

RF Stuff - Online shop for two way radio communications and amateur radio products, antennas, coax and cables, adapters and mounts, accessories and audio parts

Cupeles Electronics LLC - Two way radio communication services for Kenwood Icom Yaesu radio and ameritron drake cliperton henry heathkit amp yaesu kenwood linear amplifiers based in Harrisburg, PA by WB3M

Spectrum Analyzer Real-time FFT - Eight-channel Audio Spectrum Analyzer is a set of Real-Time Multi-Channel Gauges for investigation of data accepted from any ADC you will want or 16-, 24- and 32-bit ADC of sound card. WDM drivers support. FFT Spectrum Analysis, OscilloScope, Frequency counter, AC/DC voltmeter, Signal-to-Noise Ratio, Signal-to-Noise and Distortion, Spurious-Free Dynamic Range, Effective Number Of Bits, Total Harmonic Distortion, Inter-Modulation Distortion, Phase Shift. Special modes of dual-channel FFT spectral analysis: Separate channels spectra, Spectra of digital sum, difference, product of two signals, Spectrum of digital product of original signal and its fundamental, Spectrum of Real and Complex Transfer Function, Cross Spectrum. Standart weighing of spectra according IEC and CCIR. Oscilloscope modes (for dual-channel ADC) are: original signals, sum, difference, dependence of one channel on another, amplitude distribution of input signals.

Microwave RF Amplifier Design Tutorial - This tutorial will set out the design stages required to design a theoretical microwave amplifier

Antenna Coupler - Schematics of antenna couplers in french

What's a diplexer? - It's a network that splits a signal to two or more loads, dependent on frequency. It is the simplest form of a multiplexer, which can split a signal into many different signal bands.

Bluetooth Audio and Amateur Radio - Bluetooth headsets are very common with cell phone users. As such, many amateurs may already own a Bluetooth (BT) headset. So why not use it with amateur radio?

Tools and Links for RF Power Amplifier Builders - This document lists a few tools, documents and websites which are valuable in the design and construction of amateur RF power amplifiers. The list is small but it represents a good starting point for the amateur amplifier builder.

SoftRock SDR Interest Group - 5000+ member discussion group for the low-cost series of SoftRock SDR receiver and transceiver kits.