vertical 25

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.

Shortened vertical antenna for 7 Mhz - A simple drawing of a shortened antenna for 40 meters by using a PVC tube

Full 1/4 wave vertical for 40m - Pictures and assembling description of a homebrewed vertical antenna for 40 meter band by ON7AMI

The ZigZag Vertical Beam - Six metre enthusiasts might like to experiment with this ‘Zig-Zag’ four-element vertical for lofts. Brian Williams, GW0GHF

Multiband Open Wire Antennas - Why Multi-band Dipoles Need HEAVY Open Wire Line by Tom, K1JJ

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.

A Q&D Multiband Antenna - A brick, some PVC tubing and a few other common hardware store items can be transformed into an effective Quick & Dirty RF-launcher—for less than $25! By Michael Atlas, N7FC

HF Vertical antenna on a magnetic mount - A portable hf vertical antenna setup on a magnetic mount by I1UWF

Homebrew Pac-15 Vertical - This page shows a homebrew vertical antenna based on the Pac-12 antenna design.

Vertical amtennas among the trees - Experiments on vertical antennas among the trees by ik2egl

Vertical and Above - Using vertical on six meters band and above, by Peter Schleuss, HB9RUZ

VHF/UHF Folded Diplole - This is a two element colinear design for vertically polarized radiation. It may be constructed for use on either 2m or 70cm

Vertical trapped antenna - An HF multiband trapped antenna in french

Phased vertical antennas - Phased vertical antenna system in french

ATCC Club - Amateur Tosno contest club Russia ATCC was founded 25.08.2008. ATCC invites everyone who loves ham radio, CW, dx, ssb, digi and contesting, to become a member.

K5DDJ's 10 Meter Beacon - Operating 24/7 on 28.2485 Mhz transmitting 500mw into a 1/4 wave GP vertical antenna. Location is in San Antonio, Texas

K0KP 10 Meter QRPp Beacon - At 28.2125 MHZ here's "the Little Beacon that could!" This little homebrew 500 Milliwatt QRPp beacon has been heard around the world

ODXA The Ontario Award - The "Ontario Award" is sponsored by the Ontario DX Association. We launched this award in 1999 in celebration of our organization's 25th anniversary.

Columbia-Montour Amateur Radio Club - CMARC has been serving the greater Columbia and Montour region for over 25 years.

Boston Police Radio Scanner - Broadcastify listen live audio feed from Boston Radio Police Fire and EMS

Windsor Exports - Supplier and exporter of generator, diesel generator, petrol generator, industrial generator, silent generator, power generator, electricity generator, gas generator, air cooled generator, gensets 1kva, 2kva, 5kva, 10kva, 50kva, 100kva, 250kva

Deree Electrical - Specialized in manufacturing measurement instruments for more than 25 years. Clamp meter, digital multimeter, analog panel meter, thermometer, and led panel meter

144 Mhz power amplifier 4CX250B - This page provides information on the design and practical implementation of a rather inexpensive 144 MHz high power amplifier using a pair of ceramic tetrodes type 4CX250B by LA0BY

A 20W Amplifier for 2 meters - VU2RAR basic VHF power amplifier suitable for 144-146 Mhz output power can vary from 3 to 25 Watts.

HRIS2 Priority listing - This program can be used for statistics of sending QSL. Also it is possible to use her as the help data on DX-ing (DX VIA, ADDRESS MNG, IOTA-ped.) The information is brought in base delivery of the program on " DX via " and " Address QSL mng " from bulletins 425 (with 205 on 858) by US7IB