13 element

CB antennas  ^pop - Lots of information on fabricating CB antennas

3 Element Antenna for 28 Mhz  ^pop - The DF9CY three-element antenna for 28 MHz by Christoph Petermann DF9CY

PV4 4 element Yagi antenna - PV4, W2PV 4 element Yagi antenna as described in ARRL antenna handbook 15th edition for 20 meters band by T93M

50 MHz Antennas by DF9CY (4 & 6 Element)  ^pop - Two well performing 50 MHz antennas designed with W7EL EZNEC along to many other antenna projects and related articles

T-Hunting Antennas  ^pop - 4 Element Cubical Quad, Yagis, LZA Circular Quad, Shrunken Quad , quarter wave, J-Pole, beam mounting , changing polarity

Cutting Jig for VHF/UHF yagi elements  ^pop - If you want a top-performance VHF/UHF Long Yagi, you will probably have to build it yourself.

A simple Wi-Fi Yagi - Add two parasitic elements to the sleeve dipole of a Netgear Router

DF9CY - ZX15/4 extended 10/4 - A 4 element addition for 10m to an existing 4 element yagi (ZX antennas)

Homepage 19LD113 - Lima Delta International DX Group

13AT213 Martin - Online QSL gallery & 11m recordings/ sounds. Various Pictures, Activation reports

XR0YG Online-Log - XR0YG Log On-line Easter Island 2013

ISWL G-13038 Pete - Pete's home Pages, with several links to all sorts of useful sites. Including the ISWL's DX newsdesk run from Pete's shack.

PCDealer DealerLinks DealerEmail - 1300+ Ham Radio related business links in 75+ categories, plus DealerEmail.

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

NSI-N Systems, Inc. - Triple-band (2-2.5 GHz, 6.5-7 GHz, 12-13 GHz) central receive systems with automatic airborne tracking.

Celes Trak - NORAD Two-Line Element Sets, FAQ, and related informations.

Keplerian Elements - Keplerian elements are the inputs to a standard mathematical model of spacecraft orbits.

Orbitessera - Orbitessera provides a mosaic of orbital information. Information is provided for the Space Shuttle, the International Space Station , Mir Space Station , and general Satellite Keplerian Elements information

AMSAT orbital elements - HR AMSAT orbital elementsfor OSCAR satellites

Radio 11 know-how - CB Radio guide by International Radio Dx Group. Only available for members of this group.

Military Radio Manuals - RS-6,ARC-5,ART-13, ART-13A and ART-13B, BC-348, FM 24-24

Irae 2 - Italian amateur and commercial radio dealer

MEI Software - The file MEI-10.ZIP contains educational software to evaluate antenna arrays of up to 8 elements. Two types of arrays may be studied: 2D planar arrays (Yagi-Uda, Circular, etc., up to 6 elements) and colinear arrays (up to 8 elements.)

Orbitel - Utility program to verify, merge, and sort standard 2-line orbital elements files

Bearcat 210 Scanner Conversion for Weather Satellite - Modification to the Bearcat 210 scanner for reception of 137 Mhz FM is a fairly simple process.