wide range oscillator

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VHF/UHF Wideband Portable Dipole - A portable dualband dipole robust and compact antenna usable for horizontal and vertical polarisation by ON6MU

Icom AH-4 wide range antenna tuner - This document attempts to compensate for a rather sparse instruction manual by providing information on how to interface the AH-4 with any HF radio.

Sidemount VHF/UHF Antenna - This antenna is designed to be mounted off the side of a tower. Works on 136-153 Mhz range but also on 70 cm band

Phased vertical antennas - Phased vertical antenna system in french

CQ World Wide Contest Log - Windows shareware contest log program for the CQ WW contest. Offer a Network version capable to run over a lan in order to allow several pc to update a single shared contest log file.

GM3HAM Lothians Radio Society - Amateur Radio Club in Edinburgh. Founded in 1949 with twice monthly meetings and a range of activites including talks, DF hunts, vists and contesting.

Moapa Valley Amateur Radio Club - A club of approximately 20 Members. Interests range from Emergency Preparedness to seeing how many countries we can contact from local radio stations.

YouTube - What the HELL? - Hellschreiber is an interesting ham radio mode developed back in the 20s. It is a bit strange and different, but fun. I'll explain what it is, then I make a couple contacts during the Hellschreiber contest.

Fortis Wind Energy - Fortis is the world leader in design and manufacturing of high performance stand alone and grid connected wind turbines in the range from 800 watt up to 10 kw.

Entegrity Wind - Wind Turbines - Entegrity wind systems is a leading manufacturer of commercial-scale wind turbines with installations worldwide.

TRAK Microwave Corporation - Signal generatos, oscillators, direct and indirect synthesizers, exciters custom oscillators

Signal Forge - The signal forge 1000 signal generator is a portable, high-performance digital and rf signal source with a 1 ghz frequency range. features include digital, differential and ac coupled outputs

A Guide to Test Equipment - That just about sums up many peoples’ attitude towards test equipment. Multimeter, SWR/Power Meter, Dip Oscillator, RF Signal Generator, Cathode Ray Oscilloscope

DStarForum.com - Discussion board for all Keen on Dstar radio. Skeds arranged, bugs and software fixes discussed too

W4UNC Orange County D-STAR Group - Welcome to the D-STAR page of the website of the Orange County Radio Amateurs (OCRA), a group of ham radio operators who enjoy radio communication and the fellowship it provides, and serve Orange County North Carolina with emergency radio support during disasters

Low Frequency Transmission Modes - Article by W1TAG on operating modes used on low-banding. The 2200 meter band (135.7 - 137.8 kHz) is only 2.1 kHz wide, so voice work on SSB or AM is out. Find out the best modes on LF

D-Star Repeaters - Worldwide jFindU d-star repeaters map

Long Range Wi-Fi - Long range Wi-Fi antennas you can build. Helicals, parabolics, and biquads discussed. How to add external antennas to WUSB54GC and F5D7050 usb wireless adapters for long range connections.

WideBand for Yaesu 817 857 897  ^pop - This software will allow you to extended TX for the Yaesu FT 857 FT 817 FT 897 and reset back to standard factory defaults.

Bob's Electronics - Bob’s Electronics serve a wide market of customers throughout the Midwes, supports brand names such as Bendix King, ICOM, Relm, Uniden, Antenna Specialist, Antennex, Cushcraft, DB Products, Maxrad, Sinclair, and numerous others.

Radiospares - Established in 1991, specialist distributor of Two-Way Radio Communication Accessories. Products are suitable for most of the worldwide manufacturers including Icom, Kenwood, Tait, Maxon, Motorola, Philips/Simoco, Vertex-Standard/Yaesu and more besides.

Test Tone Generator  ^updated - This Test Tone Generator (TTG) turns your PC into a function generator and enables you to demonstrate, test and tune sound systems, create sound effects and a whole range of other uses to suit your needs. It can also be used for educational purposes.

Tone Sound Frequency Sweep Generator - Generating of up to eight independent oscillatory processes per each channel with separate frequency, initial phase and amplitude controls.

Batteries and QRP - Thanks to the popularity of cell phones, laptops and other personal electronic devices, the battery industry has been market-driven to produce higher capacity batteries in lighter weights than previously possible with yesterday's chemistries.As a result, a wide variety of battery types are available to the outdoor QRP operator.