15 element

5 Elements 28 MHz Monobander - A 5 elements yagi antenna for 10 meters band project, plane and picture of the EF105A by YU7EF

4N1SM 5 elements yagi for 15 Meters - EF155A1 21 MHz monobander antenna by YU7EF

3 Element yagi for 17 meters band - 17 Meter 3 element TA33 junior mono band yagi antenna conversion project by K6TC

Endfed 20/30 Mtr Antenna - Article with detailed pictures of an endfeed antennna for 20 and 30 meter band

Build your own 20m vertical  ^pop - Build your own 50ohm coax fed 20m vertical antenna, so easy a 9 year old can do it, or at least help! And the budget? You may already have the materials on hand, or worse case spend $15 by Andrew Daniel - KI4QFY

Portable yagi antennas - A 3 and 5 element portable yagi antennas for 2 meter band

A Hairpin match for 5 el. Tonna - How to improve the gain of your 5 element Tonna yagi for 50 MHz by roughly 3 db! by PA2HJS

6 Meter 5/8 Wave Vertical Antenna - The G3JVL 6 Meter ground plane vertical is a compact antenna that is ideal for portable operations. If needed, it can be disassembled into a very small bundle no longer than the longest element.

4 el yagi for 50 Mhz - The EF0604S a 4 elements yagi antenna plan for six meters band by YU7EF

KC0TKS Antenna Calculators - Allow calculation of a dipole, 3 element yagi and a vertical antenna

Hex Beam by K4KIO - This site provides guidelines to build a G3TXQ broad band hex beam RF antenna for the 5 ham radio bands, 20, 17, 15, 12 and 10 meters. The G3TXQ hex beam is a new development and actually easier to build than the classic hexbeam.

Super J-Pole for 435MHz - The Super J Pole antenna is a co-linear vertical consisting of a number of half wave length vertical elements separated with half-wave length stubs (Tuning stub) feed with a folded matching stub by vk6ysf

Log Periodic Antenna Design  ^pop - calculates the dimensions and spacings of the elements needed to build a log periodic antenna, given tao, sigma and the lower and upper cutoff frequencies.

160 m Balanced Coaxial Receiving Loop Antenna - KN4LF explanation of the 160 meter balanced coaxial receiving loop antenna, easily adaptable to a 40 and 80 meters band

8 Element Quagi Antenna for 70cm - Quagi 8el 70cm improved 13.77dBi by IK1HGE

Building Coaxial Traps - This page describes the design and construction materials W8WWV used to build a coaxial cable trap. A coaxial cable trap is a parallel resonant circuit that is usually inserted in an antenna element to enable multiband operation.

ARRLWeb: A Study of Amateur Radio Gender Demographics - A Study of Amateur Radio Gender Demographics. How many ham radio operators in the usa ? Estimated Number of Hams in Each State, by Gender

Northern Illinois Radio Portal Priority listing - Amateur Radio web based forum

HB9Z Internet Remote Base - A controllable TS2000 made available at HB9Z in switzerland. Antennas are Carolina Windom 160 for 160-10m, a 5-Element Beam for 20-15-10m a G5RV for 80-10m and a V2000-Vertical for 6m, 2m, 70 cm.

ICOM 746 Temperature Measurements - The ICOM 746-Pro has acquired a history of NEC 1678G (IC-151) MMIC and driver transistor 2SK2975 failures. The failure of IC-151 appears to be a combination of ESD damage from electrostatic charge on the antenna entering IC-151, and perhaps thermal heat.

PalmProp - PalmProp is a software for PalmOs dedicated to the forcast of HF radiowave propagation by f5hla

TK-150 - tk150 experimental Software for the Standard VR-150 Receiver

DL9VF Exam Trainer - Franks US license exam trainer, a PC program to prepare yourself for the written test (element 2,3 and 4) of the amateur radio exam performed by the FCC/VEC

AM-6154 FAA Amplifier circuit conversion - AM-6154 222MHz grid Conversion Information by N0UK

AM6155 / 64 modifications - KF0M's mods for the AM6155 AM6154 RF amplifier