antena 80 metros isotron

N4IS - New Waller Flag - Hi performance 160/80m rotatable RX antenna

Trapped dipole for 80 and 40 m - This article explores a theoretical model for the losses of an 80m / 40m trapped inverted V dipole antenna system using a bootstrap coax trap, but does not examine the pattern of the antenna.

40M Inverted Vee - This simple antenna can be used in various configurations for 40/80/20 or any WARC band or a combination of them

Coaxial cable dipole for 80m - Here are some simple antennas you can build along with calculators to help you get the right length.

2 elements U Beam for 80 meters - An U Beam antenna for 80 meters band by ik2egl

A Wire Beam Design for 80 meters - by Dave Robbins, KY1H

W7CY 80 Meter Yagi - A new concept in big yagis

EH antenna for 80 meters F8APF - Based on IZ5CCS design F8APF describe the homebrewing of an EH antenna for 80 meters band

Mobile 10/80 dipole antenna setup - A mobile setup using a dipole antenna for 10 to 80 meters band in italian

Multiband HF antenna - A multiband hf antenna for restricted spaces covering 80 40 20 15 meters Based on the VK2ERG shortened 80M dipole

IC706/FT817 portable whip antenna - Suitable antenna for owners of an IC706 or FT817, 857 and other HF portable transceivers. You can an be QRV in a few minutes on all ham-bands from 80m to 6m and even on 2m by PA0FBK

Vertical antenna for Vacation - Vertical Vacation Antenna for 80, 40 and 20 Meter-Band, by Herbert OE3BMB This antenna is a full size λ/4 for 20m and 40m band, and a shortened λ/4 for the 80m band. Generally on the 40m band the SWR is under 1,6. In 80m and 20m band at the resonant frequency the SWR is about 1,1.

QRP Antenna 80-40-20-15 End Fed Antenna - A long wire antenna that will load up on 80, 40, 20 & 15 meters without an antenna tuner and without balun coils

BiQuad Antenna for 144/440 - This is a vertically polarized Broadside and Collinear Array each Loop is a vertically polarized Broadside Array both the right and the left side of the Loop is a bent 1/2 wave dipole working 180 degrees out of phase with the other one and that gives you 4.15dbi of gain by KE4UYP

IK4DCS 80-160 mt Sloper antennas - My Sloopers antennas for 80 and 160 meters

160 80 40 Meter Vertical Array - A 6-element vertical array which is designed for 40 and 80 meter operation, and receive-only operation on 160 meters by W8WWV

SM5HUA/B - Voodoo beacon 28.294MHz JP80wa Uppsala Sweden

Norfolk police radio feed - Norfolk police department live radio by oceanviewcommunications HRConnect

Dauphin co. PA live feed - Dauphin County Pennsylvania (PA) PD Fire Scanner

Suffolk police and fire dispatch - Suffolk police department

Santa Barbara, CA Police Scanner - Listen to live scanner traffic from Santa Barbara, CA for Police, Fire, EMS, Sheriff, CHP.

Fortis Wind Energy - Fortis is the world leader in design and manufacturing of high performance stand alone and grid connected wind turbines in the range from 800 watt up to 10 kw.

Portal de la Banda Magica - Six meters spanish portal by EA3GLJ

Ham Radio for HanDBase - PocketPC mobile logging database for Amateur Radio operators for HanDBase

LY1GP software defined radios - TinySDR for 80m band and ZetaSDR for 40m band