microphone pre amp

161SD012 Mario - Home Page of 161SD012 Mario, member of Special DX'ers Radio Group SD, Poland Vice President & Magazine Editor. QSL Gallery, logs, QSL cards and many more useful informations about DX-ing.

Call Sign Prefix Allocations - Table of allocation of international Call Sign series

Tampa Amateur Radio Club - Since 1922 Tampa's largest Ham organization. Dedicated to hams by hams. Classes in theory, code, and experimentation are a regular event.

Central New Hampshire Amateur Radio Club - ARRL special service club

Mt. Airy VHF Radio Club - "Better known as the ""Pack Rats"" W3CCX, Southampton PA"

XE1YJS Joaquin - Ham radio, Mir contact samples in Real audio, packet and some links

IZ8DDJ Aspreno - Personal radioamateur home page of IZ8DDJ Aspreno.

Logikey K-3 - CW keyer by Idiom Press

K-Com - comprehensive line of products for rejection of Radio Frequency Interference (RFI) to telephone equipment.

Magnecor - Finally auto ignition noise suppressor wires that really work.

Ten Tec  ^pop - HF, VHF, transeivers kit's, amplifiers and more.

10 GHz Where, Why and How - Truth and some Mythãs about 10 GHz by David Minchin VK5KK.

ISS Realtime tracking - 5 Day prediction table for ISS and find when the ISS will be visible from your QTH by N2YO

AMPRNet IP address coordinators - The people listed here have volunteered to issue IP addresses for their areas

The AM stereo page - A comprehensive listing of AM Stereo radio stations in North America with listening tips, news, AM mono to stereo radio conversion information, sources of AM Stereo receivers and a history of AM Stereo broadcasting.

Freeware for Amateur Radio Priority listing - Programs for hams written by Alex Shovkoplyas

Voice Shaper - Voice Shaper is a freeware windows speech pre-processor for SSB transceivers. It receives the voice signal from the microphone connected to the soundcard, and sends the processed audio back to the soundcard in real time by Alex Shovkoplyas, VE3NEA

PROADIKON - Converts your logs into ADIF (Shacklog, EasyLog, PC-Profilog, LogPlus, DXLog, Log-Projekt, QW, UKWTEST, DAS LOG, HAM-LCT, Eurowinlog, StationMaster, Catlog, ARMAP95/98/2000, SPRINT, WinFD32, WAG, Fivenine, Excel Spreadsheet, CSV or TXT file; also ADIF to ASCII, import into RXCLUS DXCC and IOTA database, *.upf import file for IOTAMEM2 and many other features)

Zelscope  ^pop - Zelscope is a Windows software that converts your PC into a dual-trace storage oscilloscope and spectrum analyzer. It uses your computer's sound card as analog-to-digital converter, presenting a real-time waveform or spectrum of the signal - which can be music, speech, or output from an electronic circuit.

Amplifier Simulation Program - ASP 4.0 - Design weak signal GaAs FET or bipolar PreAmps. Automatically designs for optimum gain, NF, VSWR or all.

AAVoice digital voice processor  ^updated Priority listing - "Digital voice processor for amateur radio operators. It use prepared ""wav""-files for transmition. Can work in the beacon mode. Optionally you can use simple circuit for PTT-control. It has a lot macros for tramsmitting. Can cooperate with RZ4AG AALog logger."

BBA-C1 Amplifier Card - This versatile broadband amplifier is used in several DX Lab projects.

100W HF QRO linear amplifier - Based on Motorola MRF454, schematics and component list

SSB and CW Filter - A pdf file with schematics of an ssb and cw filter AF amplifier

RS232 Interface - This simple circuit is intended for older Kenwood radios and was presented in chapter 22 of the ARRL Handbook.