29ltd classic problem

The HB9CV antenna - Gain of this two element antenna is the same like gain of classical three element antenna of the YAGI type. Dimensions for 7-14-21-28 Mhz by pa3dlp

Balun construction - problems with iron cores - Lots of information and measurements relating to HF baluns and transformers constructed using Iron Powder cores

Some Aspects of the Balun Problem - Why all the mystery surrounding baluns ? To use or not to use baluns

N5ESE's 1:1 Current Balun - classic 1:1 current balun

Dipoles versus Verticals - One of the classic arguments in amateur radio is whether a dipole or vertical is the best antenna

Gamma Match Article - A working analysis of the gamma-match problem that gives usefull practical results. New light on the question of when it will and when it won't give a perfect match to the coaxial transmission line.

Video of a W3DZZ Trapped Antenna - Video construction of a multiband HF trapped dipole antenna based on a variation of the classic W3DZZ design

Efficient Feed for Offset Parabolic Antennas for 2.4 GHz - Possible solutions to the problems of efficiently illuminating SAT TV offset parabolic antennas in the use on WLAN frequencies of 2.4 GHz..

Amateur Radio Miniature Rigs - Article abuot Minitature rigs, basics common features and common problems of Icom IC-7000 IC-7200, Yaesu FT-100, ICOM IC-706, Kenwood TS50S, SGC2020, Kenwood TS-480, Yaesu FT-450 by K0BG

Icom IC7000 Tuner Connector Warning! - Problems using the tuner interface in the ICOM IC7000

Modifications for the Kenwood TS-570 - Problem width the memories, TS-570 Batteries, MARS/CAP Modification

Kenwood TS570 Battery problem - The lithium battery problem in the Kenwood TS-570

Kenwood TS-570 DGE Mic Gain Slider Problem - HamRadio Deluxe and kenwood ts-570 mic gain slider problem kenwood

Kenwood TS-570 Back-up battery - Battery problem with TS-570

The Orion II A9 Power Distribution Fix - The Orion II A9 Power Distribution Board Problem and Fix by N6IE

Yaesu FT-2000 Review Trouble Problems - A collection of complaints and problems experienced with Yaesu FT-2000 transceiver.

Yaesu VX-8R - Audio Problem Solved - Videos and details on a audio problems of yaesu VX-8R

Northern Connectors Priority listing - Specialist distributor of Electronic Connectors and Components that provide simple solutions for technical problems.

Classic International - Ham Radio Shop from the netherlands offer a wide range of ham radio related products of major brands.

HamMorse for iPhone - Ham Morse allows you to practice morse code on your iPhone or iPod Touch. It is designed particularly for Ham radio operators and others who wish to achieve or maintain a high level of proficiency in this classic mode of communication.

Power Gride Tubes - Article on tubes and their usage in power amplifiers design. Explain failures of tube in RF power amplifiers, a common problem in the SB-220 SB-221, TL-922 and other amplifiers.

Key Click Correction FT-1000 and FT-1000D - How to correct keyclick problem in ft1000 and ft1000d radios.

The Classic Micro TO Keyer - K8CU builds a classic 1967 QST semiconductor project during the 40th anniversary year of the original project publication.

A Ham's Guide to RFI, Ferrites, Baluns, and Audio Interfacing - Understanding and solving RF interference problems using ferrite

N5ESE's Classic RF Probe - Special test lead that converts your regular DC voltmeter to a RF reading voltmeter