curtain quad

A Collapsible 2-Element Delta Quad - This easy-to-build and inexpensive 2 meter antenna is also made to store easily. It's designed for hand held use, so it's great for fox hunting! By Charles Scharlau, NZØI

10 Meter 4 Element Quad Antenna - Dimension and formula for a 4 element QUAD antenna for the 10 meters band

2 meter cubical quad antenna - W7SIR cubical quad antenna for 146 mhz

Swiss Quad for 2 meters - 144-146 Mhz swiss quad project, in japanese

The VHF Quad Beam Antenna - Homebrew a 4-element VHF adjustable antenna built entirely of wood by ka1fsb

Portable 70cm Quadruple Quad Beam - A suitable high gain 70cms antenna for SOTA operation was sought that did not have the drawbacks of a long Yagi antenna, principally a narrow beamwidth and bandwidth.

Quadrifilar helicoidal calculator - Calculate design for a quadrifilar helicoidal antenna

Online Antenna Calculator - Java script antenna calculators for ground planes, half wave verticals, quad antenna, 5/8th wave vertical antenna, dipole and inverted vee antennas

The Curtain Quad - The Curtain Quad is a broadside array of 7 to more than 200 elements using a very powerful but seldom used method of power distribution

LNA & Quadrifilar helix for GPS - From a S53MV, Matjaz Vidmar, project

The Quadix Antenna - The Quadix is a circularly polarized parasitic array, a hybrid between a helix and a quad or loop yagi

160m to 10m Sterba Curtain Antenna - Even if using a tuner this multiband antenna will let you operate from 160 to 10 meters. If you could only put up one antenna, this would be it. Project by N0KHQ.

Homebrew 6m quad - Homemade quad for 6m band, simple and cheap project by SA7AKE

The Grid Yagi for 144 Mhz - The Grid Yagi (or Grid Quad) is a high performance yagi antenna that can be built with readily obtainable inexpensive materials. Described here is a 6 element 2 meter version with a boom length of about 1 wavelength, shown

Quad Antenna for 144 Mhz - A VHF Quad antenna for teh two meters band in italian

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

My Quad Project - My Quad Project. Simple to build in a weekend. 2 Element vertcal polarity. 99 percent off the shelf parts. Light weight.

Homemade Quad Antenna - A two element quad antenna for 10-15-20 meters by hs0zee

VHF/UHF Quad Antenna - Article by N6JSX on homebrewing quad antennas for VHF and UHF.

The VHF Quagi - There have been many half-hearted attempts to combine a Yagi and a Quad. Most have produced questionable results. Well, here are the "true" facts, the real dope, the hot scoop. K6YNB in QST April 1977

F6ITS ham blog - F6ITS ham blog with detailed description of quad antennas for 432, 144 and 28MHz band

K9WM Green River Valley Amateur Radio Society - The Green River Valley Amateur Radio Society was organized in August of 1995. The organization was formed not only to promote amateur radio in the Quad Cities and surrounding area of Illinois and Iowa

Quad County Amateur Radio Club

Degen Design - Multi band mini quad antennas, log periodic and stacked antenna for 144 MHz and 70cm

Long Range Wi-Fi - Long range Wi-Fi antennas you can build. Helicals, parabolics, and biquads discussed. How to add external antennas to WUSB54GC and F5D7050 usb wireless adapters for long range connections.