low power amp

7 Elements YAGI for 144 Mhz  ^{updated  pop} - The QM7 antenna is a simple 7 elements Yagi with 3.7 m boom length for the lower 144 MHz SSB/MGM band, in PDF Format

Quarter Wave with radials - VHF quarter wave antenna mainly for scanner usage, The quarter wave antenna is an easily designed and constructed antenna for whatever frequency you want, although with the following design, you may to limit it to the VHF and UHF bands due to the physical size.

Amateur Radio at NHC - WX4NHC - Amateur Radio Station at the National Hurricane Center located on the campus of Florida international University

Saddleback Repeater Association - Southeast New Hampshire W1SRA / 147.000Mhz / Negative Offset / 100.0 PL Tone Welcome to the Sunday Night Net each Sunday evening at 8:00 PM.

Oregon Live - Follow the news as it happens. Listen live as the police and fire service do their jobs

Elcom Research - Small enough to carry it in your shirt pocket and powerful to fit your needs. It will be your companion for years, thanks to the "FirmwareLiveUpdate" feature. Use it for everyday packet, for APRS, as a Tracker with a GPS or as APRS digi.

Low Power Radio Modules - Low power radio modules - supplying rf modules, rf transceivers, radiometrix transmitters receivers, low power radio modules, scada, frequency hopping, 900 mhz, wireless data transmission, data telemetry, gps modules & receivers and more

Spectra Engineering - Manufacturer of high performance rack mountable MX800 and MX920 Radio Base Stations and Repeaters. Also supplies 2RU rack mounted 13.8V DC power supplies. Based in Australia.

Power Line Noise - I have a shortwave radio, but I get nothing but a loud buzzing on it. What's wrong?

Radio waves below 22 kHz - Exploring ULF-ELF and VLF radio band

Polish radio direction finding - IARU region 1 RD championship

Amateur Radio Slow Scan Television by N8GCD - SSTV web site by N8GCD, tips and tricks, getting started and related links

Manualserver - Manuals for receivers, amplifiers, antennas and much more

Frequency Guide Victoria - A site for every scanner enthusiast but especially for people living or visiting the lower Vancouver Island Area and Victoria B.C. Canada. This page has pictures with aerial pictures.

WinAmp Railroad stream - Southcast railroad radio streaming

Myottes Scanner frequencies Northeastern states Plus - Maryland,Massachusetts,New Hampshire scanner frequencies by County

LZ1YE Print service - Produce QSL & post cards, stickers, ID cards, calendars, certificates, awards, membership applications, log and call-books, rubber stamps,T-shirts, brochures, advertising materials.

How to Receive SSB Broadcasts With an AM Only Receiver - Iyou want to learn a little about how SSB works, or you absolutely cannot afford a more sophisticated shortwave receiver, try the following

VOAnews.com - VOA Special English uses a limited vocabulary and a slower rate of speech to help people become familiar with American English through programs on radio, television and the Internet. At the same time people also learn about world news, science, American culture and other subjects.

Rádio Nacional de Angola - Provides broadcast times, frequencies and power of the network emissions. Airs mediumwave, FM, shortwave and RealAudio broadcasts

BR-universal-Filt - Freeware real time DSP filter particularly for applications of amateur radios , IIR, FIR filter, low-pass, high-pass, band-pass filter, band suppressor (notch filter) individually adjustable

UR5FCM Log - UR5FCM Log a powerful Ham Logbook. It is a working center on radio station on daily realization of radio communications, and also, since version 1.1.61 new features of work in digital aspects of connection

ScanControl - ScanControl is the only low cost, easy to use software that supports programming and control & monitoring of the Uniden BC245XLT, BC895XLT, BCT8, BC780XLT, BC250D, BC785D, BC296D, BC796D Digital Scanners and the Radio Shack PRO2052

RF and Microwate Power Amplifiers - RF and Microwave Power Amplifier and Transmitter Technologies, amplifierlinearity, efficiency and available RF power devices.

WV7U.com - Hank's Amp Pages - WV7U's YC156 and 3CPX800 amplifier projects. Everything you wanted to know about using the YC156 or 3CPX800 in a ham radio linear amplifier. See pictures, schematics, test data, links, and more!