antena 80 metros isotron

The Battle Creek 40 80 160 m antenna - 3 Band vertical Marconi-antenna for the bands 40, 80, 160 meters with a ground net of wires as radials.

The Doble L antenna for 160 and 80 m - The antenna has the form of a C, it is fed in the centre of the vertical section which is abt 20 m high by HB9TPL

Multi-Band Super Mini Loop Antenna  ^pop - How to make the Super antenna. To build this antenna you need a lot that is at least 100 feet across. Antenna covers all bands 80-10 meters + 30, 17, 12 meter WARC Bands This antenna works as a Full Wave Loop on 80 Meters and also works as a 2 wavelength open loop or Bi-Square on the 40 Meter band

VENUS 80 EH Antenna Review - GW0RTP review of the Venus 80, and EH antenna for the 80 meters band

Coil loaded dipole for 80 meters - 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

The CobWebb Antenna  ^updated - Building the cobWebb antenna. Construction notes and plans to homebrew a multiband antenna by G0MTD

Inverted V - Described is a simple inverted-V antenna which, when used with a balanced ATU, can be used on all the main Radio Amateur HF bands (80, 40, 20, 15 and 10m). The cental support is made in such a way that the wire can be coiled up for storage when the antenna is taken down.

Choke coax length - Discussion about choke length

Large multiband moxon antenna - This moxon antenna resonate on 80 40 and 10 meters, has been used for CQWW 2006 by a YU team project by YU1QT

Antennas for the Space Restricted - This article shows that it is possible to operate successfully from a confined space with antennas for 2 10 and 80 meters band

W4INF Hidden House Loop Antenna - If you live in a restricted subdivision, you need to make the most out of it. This loop antenna is balanced line fed and works 40m-10m, does decent on 80m.

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

Switched inductor L match tuner - A 10 to 80 meters band qrp antenna tuner by KC8AON, based on Steve Weber, KD1JV "ALT or Altoids L Tuner"

A Z match tuner for HF bands - This small tuner by KC8AON has only 2 controls and will tune almost anything from 10 to 80

High Performance 802.11 Antenna - It is cheap and simple and has a gain of about 17 dBi.

The 80 Meter Inverted Vee - W8WWV Greg Ordy 80 meter inverted vee wire antenna

Walkyworld - The World Largest On-Line Walkie Talkie Museum Vintage Walkie Talkies form the 50's 60's 70's 80's and 90's Find The Ones You Had

Lance Johnson Engineering - Manufacturer of ham radio accessories, D-LAY-5 Rotor Brake Delay, ECP-1 Remote 40-80-160 Preamplifier, GP-1 Radial Buss , Kansas City Keyer Elizabeth CO

80 Meter DXing - With a Very Basic Station - Where to find DX, helpfull resources and more information on having fun on 80 meters band

Homebrew a CW Filter - An home-brewed morse code CW filter with a central frequency of 800hz and a variable bandwidth from 230hz to 26hz by F5RDH in french.

80 meters cw transceiver - The home made transceiver covers 3.5 to 3.6 MHz and is CW only by GW4ALG

HV power supplies - WV0NNI 2,800 VDC @ 2 Amps Continuous Variac adjusts filament voltage. A voltage doubler circuit, well suited for smaller, compact linear amplifiers.

A spectrum analyzer for the radio amateur - Good tools are priceless when you need them. Here’s a piece of test equipment you’ve always wanted for your workbench

A Spectrum Analyzer for the Radio Amateur—Part 2

Greg's Homemade Oscilloscope Page - Time to show your TV who's boss