40 metre traps

A 40m Vertical - This antenna is intended as a simple, inexpensive solution for the newcomer to experiment across the 40m band (7.0–7.2MHz) when only restricted space is available

The Monoband HF dipole antenna - If you are looking for an easy antenna for your favorite band, you can't go wrong with an halfwavelenght dipole, all you need is 3 insulators and some wire

To Trap or Not to Trap - An interesting article on traps, pros and cons of trapping by W4RNL

A Horn Antenna for 2.4 GHz. - This Antenna is not really practical for AO-40 reception, but horn antennas have a number of qualities useful in microwave antenna testing and noise figure measurements.

G4AON portable 6m J-Pole antenna - Ribbon cable J-Pole antenna for 6 Metres, with antenna picture and construction detail

A 5 band log periodic dipole array - Modified version of the Telerana antenna which was orginially featured in the July 1979 issue of QST. The array is suspended within a framework made of fiberglass poles emanating from a central hub with the ends tied together with light weight rope around the perimeter. 10-15-20-30-40 meter band coverage

Loop Antenna Design - Full-wave loops are very popular antennas. They are especially useful on 80 and 40 meters where they perform well at modest heights

HF portable antenna - 40 to 6 meters  ^pop - Phil Salas AD5X 40 through 6 meter HF portable multiband antenna, construction article, plans, and photos

408 Mhz Quagi Antenna - PDF file on building the SARA 408 Mhz Quagi antenna

Trap antennas, coaxial trap, coax dipole antenna loss resistance - Testing and comparison of traps and trap antennas

About trap antennas - Negatives sides of using trap antennas

Installation of a Utility Pole - There are many ways to support an amateur radio antenna. Installatio of a utility pole will provide an antenna height of approximately 13 meters (40 feet) and will require no guy wires.

Coaxial Traps for multiband antennas - A new perspective on the analysis and design of this popular antenna element. By Karl-Otto Müller, DG1MFT

Link Coupled Tuner - Legal Limit Link Coupled Balanced Tuner,for the amateur ham radio HF bands. This Tuner uses plug-in Coils sets for 40, 80, & 160 meters

A low cost fishing pole vertical antenna  ^pop - This antenna is based on a 10 Metre long fibreglass fishing pole, by G4AON

A Quadruple Helix for AO-40 - A homebrew project of a quadruple helix antenna system based on G3RUH 16 turn helix antenna for 2.4 GHz.

VK1AA - Ham radio BLOG - QSL information for AX1AA VK1AA/M VK1AA/2 VK1AA/4 VK9LX VK9LX/MM VK9LX/9 H44XX H40XX

Meridian Fire/Lauderdale County MS EMS/Fire Stream - This stream covers the whole County of Lauderdale Mississippi including the City of Meridian's Fire Dept.

A Little Mobile Information - Alan Applegate (K0BG) article on mobile oprtations

Yaesu FT 857 specifications - Yaesu FT 857 technical details and pictures

R7 Vertical Maintenance and Repair - How repair the traps, and then homebrew the rest of the antenna, including the matching box

Icom V8000 mobile amateur transceiver - Universal radio IC-V8000 page includes accessories and photos

Recycled Equipment Company - Recycled Equipment Company buys and sells quality used electronic test equipment.Over 40,000 square feet of inventory. Dealers in used electronic test equipment since 1993.

Kitmondo: used test equipment - Kitmondo is an online marketplace for used test equipment and measurement equipment including analyzers, oscilloscopes and generators equipment.

A low pass filter circuit - A simple 7 element, Chebyshev low pass filter, rolls of at 30MHz. Attenuation is better than -40dB at 60MHz, -65dB at 90MHz, -80dB at 120MHz.