how to mod. 11m antennas

Hybrid Antennas - Antennas that use a combination of vertical and horizontal polarisation.

The Gain of the Axial-Mode Helix Antenna - by Dr. D.T. Emerson, National Radio Astronomy Observatory (NRAO++). Antenna Compendium Volume 4, pp 64-68, 1995, published by the ARRL.

Short Vertical Antennas and Ground Systems  ^pop - This article describes how an effective ground system can be produced for a short vertical antenna.

N. American Data Communications Museum - Telephony technology from telegraph to digital transmission

Contest Club Finland - Finnish Club dedicated to contest, with awards and reflector

IOTA on 11m - A web site for IOTA reference on 11 meter band.

San Marino - ARRSM - Associazione Radioamatori Repubblica di San Marino

PA3ANG Online Receivers - Control an ICOM PCR-100 and listen to the audio stream. This web controlled receiver si based in the Netherlands by PA3ANG and offer 10kHz - 1300MHz in AM, FM, FMW

Real-Time Internet Radio - All about live Internet Radio Broadcasting, including links to stations throughout the world and articles on the technologies that make Internet Radio possible.

GeoTool - Pickup truck stake pocket antenna mount by geotool

Ant Panel Products - Planar UHF and Microwave Antennas for Hams and WLAN's

FR Radio Lab - Magnetic Loop antennas, also availble in parts from japan

Heros Technology Ltd - HF Radio Preselectors,BCB filters,Low Pass filters,Band Pass filter

Arrow Antennas - Hand held portable, 6 meters and satellite antennas

SDR-Kits.net - USB-Controlled Synthesizer for Softrock RXTX and Local Oscillator Applications

Meteors Q&A - very informative, answers questions like what is forward scatter, how does a meteor reflect radio waves ?

Satellite Tutorial - A good starting point to setup an Amateur Radio Satellite receiving system.

The DXZone Bookstore Priority listing - The DXZone Bookstore in association with amazon.com, here you can find the best titles for amateur radio world, including antenna construction.

Monitoring Times  ^updated - Monitoring Times, SWL, BCL, montly reports, Broadcast band, satellite television, long-wave coverage, Reviews of new products and radio-related software.

Universal Radio  ^pop - Online Catalog. All about Radio comms, HF VHF Scanner CB radios, antennas and accessories

British DX club - Information about the BDXC and how to join, including a club-compiled list giving time and frequency details for all English language dx and media programmes

Weather Satellite FAQ - A comprehensive guide to receive Weather Satellites signals in wefax mode

Antenna Visualization - UNIX Application developped at the University of Texas Department of the Computer Sciences, permit to display the radiation pattern and the current magnitude.

GcmWin : Great Circle Map  ^pop - GCM is a freeware great circle map plotting software for windows, you can choose colours, scale, meridians, fields and or squares from the maidenhead locator system.

J-Track - With J-Track you can quickly and easily keep track of your favorite orbiting objects.