make trap cover

Shortened dipole for 10 & 40m bands - A shorten Dual-Band Dipole with overall length of about 11 m. For this antenna traps are substituted by inductors, in order to cover the 10 & 40 m. Bands.

Trapped dipole for 40 80m - I0SJC trapped dipole for 40 and 80 meters, traps done with 170 turns 1 mm diam, on a 3.2 mm cilinder in Italian.

GW8IZR - A simple 70MHz antenna - A simple way to make a four metre antenna

QRP Magnetic longwire balun with VHF-splitter - 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.

Baluns by Dan N5AR - There is considerable confusion about the various types of baluns, this article try to make it clear.

HF Magnetic loop antenna - VK3YE magnetic loop antenna plan that cover 7 Mhz to 20 Mhz and shortening loop can work on 21 Mhz.

The Thick Loop - The performance of a small magnetic loop can be improved constructing it larger, thicker or both. The antenna is covering from 12 Megahertz to 32 megahertz and adding a 156 Pico farads ceramic capacitor it resonates on the 40 meters band. by PY1AHD

Building the G3TXQ Hex Beam - This site provides guidelines to build a G3TXQ broad band hex beam R.F. antenna for the five amateur radio bands, 20, 17, 15, 12 and 10 meters. The G3TXQ broad band hex beam is a new development and actually easier to build than the classic hexbeam by K4KIO

Weatherproof Vertical Antennas - Slim Jim - How to make a Weatherproof Vertically Polarised Omnidirectional Aerial, The Slim Jim Antenna

Polarization, lines of force - While polarisation may seem insignificant compared with other considerations in setting up a communications system, choosing the right type can make significant improvement in performance.

Traps for 40/80 m dipole - I6DVX article on hoembrewing traps, using vetrnonite instead of common coax cable.

HF VHF mini antenna tuner - A small antenna tuner project that cover from 3 to 150 Mhz with a max power of 50 watts by ON6MU

How to make an HB9CV - A two meter version of the HB9CV beam antenna at G3VRE

Making the W3DZZ Video - A video guide of how to make a high performance,low cost HF multiband antenna for the radio amateur and shortwave enthusiast. Fantastic performance and low cost. Video made by Mike (M0RRQ)

W3DZZ multiband dipole - The multi-band trapped dipole is resonant on approx 3.7, 7, 14, 24 7 28.5 Mhz. The overall top length needs to be approximately 32.9 Meters

W7AIA, Clark County Amateur Radio Club - Clark county amateur radio club serving sw washington for 75 years! come find out how our local ham club offers programs that cover everything from the history of morse code and call signs to ham radio antennas

YouTube - What the HELL? - Hellschreiber is an interesting ham radio mode developed back in the 20s. It is a bit strange and different, but fun. I'll explain what it is, then I make a couple contacts during the Hellschreiber contest.

Green Heron Engineering - Makers of universal digital rotor controllers including wireless controllers

wb4bcr Receive 4 Square Control Unit - Build a Receive 4 Square Array! Make your own 160 meter 4 square receive antenna.

DXer of the Year Award - Each year the NCDXC makes an award to the most outstanding member of the club who has consistently and actively participated in DX and club activities. The award is given at the International DX Convention.

The Hellschreiber a rediscovery - This article has been cut from Ham Radio, December 1979.

Repeater and Broadcast Transmitter Database - Searchable database of amateur repeaters and broadcast transmitters. The database covers the fifty U.S. states, the District of Columbia, and the ten Canadian provinces.

Panel and Dial - Freeware windows and linux tools to design front panels and dials labels for your home-brew projects.

Covert a Zetagi Amplifier for 50 Mhz - Schematics and instruction to convert a ZetaGi CB linear amplifier to 50 mhz band

Rig - Computer CW Interface - Make your own interface, two schematics for building an interface using the RTS line by N3UR