New: Tuesday, May 13 2008

We have added 23 new links to our pages

Home : New : Tuesday, May 13 2008

Coil loaded dipole for 80 meters ^new - Coil loading of an 80m Dipole for restricted space. Here's a method that may allow you to fit that 80m dipole into your suburban backyard by VK3JEG
[Hits: 75 | Votes: 0 | Rating: 0.00]

Balun for folded dipoles ^new - A 1:4 balun suitable for folded dipole antennas
[Hits: 71 | Votes: 0 | Rating: 0.00]
Magnetic longwire balun ^new - Magnetic longwire baluns 1:9 combined with ground, a 1:2 and 1:1 balun connections by ON6MU
[Hits: 51 | Votes: 0 | Rating: 0.00]
QRP Magnetic longwire balun with VHF-splitter ^new - This Magnetic Longwire Balun (MLB) makes it possible to efficiently use a coaxial lead-in cable with all forms of longwires, T-forms or other types of wire antennas, without the need for an antenna tuner.
[Hits: 35 | Votes: 0 | Rating: 0.00]

HF VHF mini antenna tuner ^new - A small antenna tuner project that cover from 3 to 150 Mhz with a max power of 50 watts by ON6MU
[Hits: 47 | Votes: 0 | Rating: 0.00]

Homebrew a dual band antenna for handhelds ^new - A project by DL5DBM for a VHF UHF antenna suitable for handheld transceivers
[Hits: 58 | Votes: 0 | Rating: 0.00]

QSL Cards - How to Make Your Own ^new - If you have a computer with word processing software and a printer, you can make your own custom QSL cards, with each card individually printed for the ham you just contacted. WA7S show you how.
[Hits: 70 | Votes: 0 | Rating: 0.00]

5 Amp power supply for portable usage ^new - A 13,8v/5Amp 78H05 based power supply for portable use. In this example used to power up a Yaesu FT-817
[Hits: 13 | Votes: 0 | Rating: 0.00]

Panel and Dial ^new - Freeware windows and linux tools to design front panels and dials labels for your home-brew projects.
[Hits: 51 | Votes: 0 | Rating: 0.00]

QSL Maker ^new - Windows QSL card printer software. This freeware tool will let you create you own QSL cards importing pictures and customizing colors and other cards aspects. Print directly to your inkject or laser printer.Runs on windows 98 by wb8rcr
[Hits: 60 | Votes: 0 | Rating: 0.00]

Covert a Zetagi Amplifier for 50 Mhz ^new - Schematics and instruction to convert a ZetaGi CB linear amplifier to 50 mhz band
[Hits: 19 | Votes: 0 | Rating: 0.00]
RF Amplifier basics ^new - Introduction to RF power amplifiers. Basics and guidelines. by wb0nni
[Hits: 32 | Votes: 0 | Rating: 0.00]

A GS-35B Amp For HF ^new - The Show and Tell amp, a GS-35B RF power amplifier for HF being built by W4ZT
[Hits: 16 | Votes: 0 | Rating: 0.00]

Build yourself an RF Ammeter ^new - An Easy way to Monitor RF, AC or DC current with one instrument by W5JGV
[Hits: 29 | Votes: 0 | Rating: 0.00]

12/20 Ampere power supplies ^new - Two types of home-brewed 12/20 Ampere 13,8volt power supplies, including detailed part lists by ON6MU
[Hits: 19 | Votes: 0 | Rating: 0.00]
30 Volt Computer Power Supply Stack ^new - What do you do with a bunch of old computer power supplies?
[Hits: 15 | Votes: 0 | Rating: 0.00]
Convert PC Power Supply to Ham Radio power supply ^new - 9W2CBL post in his blog how to convert an ATX PC power supply to a convenient ham radio usage.
[Hits: 25 | Votes: 0 | Rating: 0.00]
DC to DC (12 to 24 V) Voltage Converter ^new - This page describes a DC to DC voltage converter, pretty simple, for currents up to 500 mA by sv1bsx
[Hits: 16 | Votes: 0 | Rating: 0.00]
HV power supplies ^new - WV0NNI 2,800 VDC @ 2 Amps Continuous Variac adjusts filament voltage. A voltage doubler circuit, well suited for smaller, compact linear amplifiers.
[Hits: 7 | Votes: 0 | Rating: 0.00]
Multi-functional Power Supplies ^new - Two types of multi-functional Home-brew 6/8Amps - 20 Ampere variable power supplies by ON6MU
[Hits: 8 | Votes: 0 | Rating: 0.00]
Power Supply Design ^new - A home learning tutorial on the basics of designing simple power supplies for radio projects by VK2TIP
[Hits: 10 | Votes: 0 | Rating: 0.00]
Power supply from 3 to 30 V with an L200 IC ^new - This was written by dl5dbm, Anwar von Sroka
[Hits: 18 | Votes: 0 | Rating: 0.00]

Television Interference - TVI ^new - VR2XMT article on TVI and how to solve interference problems
[Hits: 15 | Votes: 0 | Rating: 0.00]