low power

Low band antennas for 80 and 160m  ^pop - Antennae for the Low Bands, 80 and 160m

The Hustler 5BTV Conversion to 160 Meters - The prototype vertical is a modified Hustler 5BTV. The conversion allows the vertical to retain five-band operation by trading 80-meters for 160-meters

Homebrew Travel Antenna - This is a low cost homebrew two band travel antenna for 20 and 40 meters. It is based on the B&W Travel Antenna concept with a telescoping whip and a loading coil

FVR Spitfire Array - The Powerpoint presentation below was given by Fred Hopengarten, K1VR, at the 1998 Dayton Hamvention Antenna Forum

K7EM 80m 4-Square Array - This array has been in use since 1989 The SWR from 3.5 to 3.9 is below 1.5:1

How To Make A Homebrew 4:1 Balun  ^pop - I built a homebrew 75 meter Double Extended Zepp Antenna, And I needed a 4:1 Balun So I decided to Homebrew the Balun also. Here is how I did it!

Petlowany Three-Band Burner Antenna - a simple, low-cost, trapless short vertical antenna which amazingly works on three HF bands (20, 15 and 10 meters)

Christian Amateur Radio Fellowship (CARF) - CARF combines the wonderful world of amateur radio with Christian fellowship and service.

KC5ORO Echolink Internet Linking System - Echolink is software that allows amateur operators to communicate via the internet. It works by VoIP or Voice over IP technology

Hidden and stealth antennas  ^pop - Antenna Restrictions, Power Restrictions, RFI Problems, or Limited Space keeping you off the air?

ScannerWorld.com - Radio Scanners Uniden Bearcat, Antennas, CB_Radios, Ni-Cad Batteries, Frequency Books, Accessories, Power Supplies and Cords, FM Two Way Radios, and other Related Merchandise

Difona Communication GmbH - Transceivers, anntennas, PA, power supplies, accessories from Kenwood, ICOM, Yaesu, MFJ, ACOM, DAIWA, Diamond, DXSR, Alinco, Ameritron, ETM, Fritzel, UKW Technik, AOR, Bencher, Create, G.B., Heil, Hotline, Maldol, Tonna, Titanex, Outbacker, Hy-Gain, Mirage, SCS, SGC, SSB Elektronik

iSpectrum Analyzer - Macintosh audio spectrum analyzer that allows the user to view live audio in a standard frequency plot, a stereo oscilloscope view and a waterfall display

ISSTV - ISSTV is a freeware software for amateur radio that allow sstv connections via internet and radio waves

QRO via Russia - Power amplifiers from amateur radio operators around the world which are designed/built using Russian tubes.

2 m. Band VHF PA 5 Watts - A VHF power amplifier made with two cheap RF transistors, 2N3924 as driver and a BFS22A for final stage, giving an unexpected output power of 7-8 watts maximum

Six Meter Heliax Duplexer Construction - Duplexer capable of handling a high power 500khz split six meter repeater.

Radio QRP - The Art of Low Power - QRP is The Art of Low Power Radio where the challenge is to operate and/or build AM radio transmitters usinga bare minimum of components, money and construction skill.

Z Match for Higher Power - Single coil Z match witch handles the power of the linear amplifier

IK4AUY Sergio - Advanced QRP Low Cost Mosfets HF Linear Amplifier with schematics, IMD, gain data and more. Six articles about amateur radio.

converting Philips FM-828E to 6 metres - conversion of low band VHF Philips FM-828 E band down to 6 metres

converting Philips FM-92 E to 6 metres - conversion of low band VHF Philips FM-92E to 6 metres

converting AWA RT-85 E band to 6 metres - conversion of low band VHF AWA RT-85 transceiver down to 6 metres.

converting AWA 25M-22 to 6 metres - conversion of low band VHF AWA 25M-22 carphone onto 6 metres.

converting AWA 25M-1 to 6 metres - conversion of low band VHF AWA 25M-1 carphone onto 6 metres.