receiver atu

A Hairpin match for 5 el. Tonna - How to improve the gain of your 5 element Tonna yagi for 50 MHz by roughly 3 db! by PA2HJS

Dave's Homemade Antenna Tuner  ^{updated  pop} - A multi-use Antenna Tuner

W5AM Museum - Receivers and transmitters by Collins , Drake , Hallicrafters , Hammarlund , National Receivers

MA QSO Party - The contest takes place the first full weekend of May (from 1800Z on Saturday May 5 to 0400Z Sunday May 6, and from 1100Z to 2100Z Sunday May 6). A total of 20 hours contesting!

IARU Ham Radio Pupulation summary - Status summary of radio amateurs and amateur radio stations of the world 2000

ARRLWeb: A Study of Amateur Radio Gender Demographics - A Study of Amateur Radio Gender Demographics. How many ham radio operators in the usa ? Estimated Number of Hams in Each State, by Gender

Find FM AM Radio Stations - Directory of US FM and AM stations featuring mapping.

AOR U.S.A., INC. - Aor u.s.a web site, manufacturer of base and mobile receivers, handheld receivers, digital voice modems, spectrum display units, frequency monitors and antennas

Millenium QSYer - The Universal QSYer KeyPad works with both ICOM and selected Yaesu radios, extends these capabilities to owners of the Yaesu FT-817, FT-897, FT857, and FT-100. Additiona features for Icom Radios

CommsAudit - Commsaudit uk, i/q quadrature , hf receivers, rf, multicoupler, multicouplers, switch matrix, antenna matrices, masthead amplifier,, vhf receiver, uhf,

Harbour Industries - Harbour Industries, the worldwide High Temperature and High Performance cable manufacturer, offers a wide range of Mil-Spec and Commercial designs such as NEMA HP3/HP4 and SAE AS22759

Kings Electronics - Manufacture a wide array of RF interconnect products for operation from 0 to 18 GHz, ranging in size from subminiature connectors to large, high voltage types

Satatuuli Osk Morse Keys - Morse keys, memory keyers, straight keys from Finland

Gateway Electronics - Amateur radio kits, cw keyers, vhf mini receivers, 2 meter preamplifier and more audio related kits, based in St. louis, Mo and San diego, ca USA

Russia ATV Amateur TV - Digital Amateur Television web sited include a D-ATV transmitter, D-ATV receiver, D-ATV modulator D-ATV schematics by RA3TTS

RadioDXCluster - MacOSX configurable terminal software used to control your TNC (Terminal Node Controller) to connect with your local AR-DX Cluster using your radio. This program combines features contained in MacTNC, a TNC control program, and NetDXCluster (formerly MacDXCluster), similar software that accesses DX Clusters via the Internet rather than a radio link.

Ham Office - Professional multi funcion software for ham radio use. Mainlu a logging program with mapping functions, dx cluster module, label printing, award managements, exporting features and more. Currently only in german

Linrad - An open source software defined receiver for Linux, Free DSP and Windows

CwGet PPC Priority listing - A program to decode Morse code via sound input of PDA to text. No additional hardware required - your need only receiver and PDA with sound input. Built-in microphone of device can be used also.

N9ZLE ICOM - CIV Software - IRC is a Free Radio control program for Icom radios using the CIV CT-17 or compatible interface. This program allows the use of different skins to display just about any radio from the IC746 to a secret agent watch. The program uses the new features available with the 746 and 756 to upload or save memories from your rig

CallSign Software - HamStationExtreme, hamradiostation and scopestation makers. CallSign Software provides a variety of Radio Control Packages to drive ICOM, Elecraft, and Ten-Tec's latest DSP based Transceivers and Receivers.

FRG-Controller by Frans Vink - Free prgram to control Yaesu FRG 100 SW receiver with a PC

LA7MI 40W RF Amplifier for 80m - 40W Linear Power amplifier with FETs for 80m Some notes about saturation in ferrite- and iron-cores. Written by LA7MI Stein Torp, N-5005 Bergen

Receiver block diagram - This is a block diagram of a superhetrodyne receiver.

Dual phase Software Defined Radio - Dual phase coherent Software Defined Radio using two K2 Elecraft receivers and programming in Matlab/Simulink.