building rotors

40m delta loop - Building a 40m (7MHz) horizontal delta loop

3 element Yagi for 50 Mhz - Plans for building your own 3-element beam for use on 6m.

Building a sextuple ratio balun - Article on homebrew a six separate impedance settings out of a triple radio balun

How to Build a UN-UN - Building a 1:1 balun, aka un-un, with an Amidon Ferrite toroid core T 200

Building UHF Antennas - This method of construction can be used on most UHF through \"low\" microwave Yagis, and is especially useful for the 33, 23 and 13 cm bands

Full wave loop antennas - Measurements for building a full wave loop using wire

Building the T2FD Antena - Building the Balanced Termination Folded Dipole

Vertical Antenna for 15 Meters - Building a vertical antenna for 15 meters band

Double Extended Zepp Antenna - Building a Double Extended Zepp Antenna

G5RV experience by VK4MDX - What VK4MDX learned from building his own G5RV antenna and the ZS6BKW variant.

NJ2X.COM - Adventure in Amateur Radio - NJ2X is a licensed amateur radio operator (FCC Amateur Extra) who enjoys casting electromagnetic waves into the ether. NJ2X pursues many aspects of the hobby including chasing DX, participating in mini-DX expeditions, building equipment and antennas, and papering his shack walls with ARRL awards. NJ2X dedicates this amateur radio oriented site to helping others who also enjoy the greatest of scientific hobbies. The site is suitable for all readers - families, the young, and the young at heart.

SPID Elektronick Rotors - Rotors and rotor controllers for amateur radio polish manufacturer.

Building a Go-Kit - A portable amateur radio station which the radio amateur can take when asked to go to an event which needs support with radio communication.

Omnidirectionnal antenna for the 23 cm band - Building an omnidirectionnal antenna for the 23 cm band

Homebrew a 3 Tube GI-7B-T HF Amplifier - Build a 3 tube, GI-7B-T amplifier using an old prototype box that was meant for 4, 572-B

4-1000A Homebrew HF Amp - Building an HF power amplifier based on a 4-1000A

HF Amplifier using 4-1000A - Homebrewing HF amplifier capable of doing the legal limit plus using a 4-1000A

Building a portable 12 Volt DC power source - Project with pictures and descriptions for building a portable 12 Volt DC power source by N1KXR.

Building a Dummy Load - Building a Dummy Load and Measuring Power Accurately by Ken, K4EAA

Speaker Building - DIY speakers, resources for custom speaker hombrewing

Lightning and Surge Protection - Interesting PDF Document on Lightning and Surge Protection

Ten-Tec 1225 peak reading wattmeter - Building the Ten-Tec 1225 peak reading wattmeter

0-30V 10A adjustable power supply - Building a microprocessor controller power supply, capable of delivering 0-30V output at 10 A.

0-20V 5A adjustable power supply - This project describe building an adjustable power supply, capable of delivering 0-20V output at 5A.

Antenna Scope - Do you want to measure antenna impedance at resonance? With this Antenna Scope, you have a simple RF Bridge for getting started in an exciting part of Ham Radio, building your own Antennas that work well