mfj 249 analyzer problem

2 Stack Match Yagi Antenna - Solves antenna matching problem with two phased antennas. Stacked rotary beams are popular. However, connecting two 50 Ohm antennas together presents some problems.

About baluns - General information about baluns, aspects of the balun problem

Antenna Matching Coil Adjustment Procedure - Without this basic knowledge, addressing antenna problems, RFI problems, and matching problems, results in a frustrating situation. Procedure which must be followed to properly adjust a shunt matching coil.

Smith Chart Basics - Smith Chart it is a graphic tool for solving transmission lines problems

Bird Technologies - Bird Technologies supplier of RF products, like RF Meters, Bird 43, VNA, Spectrum analyzers, attenuators, transmitters combiners, dummyloads, terminators and replacement parts

WE-030A Antenna Analyzer - Small and simple to use, this antenna analyzer can speed and ease the tuning and adjustment of HF antennas. It measures the fundamental parameters SWR and return loss.

LBA Technology - LBA - DTV & RF test systems; AM antennas; RF shielding; RF compliance, safety, interference, intermodulation services; AM detuning, Antenna SWR Analyzers

TNC troubleshooting - This article help on solving problems related to packet radio and TNC.

MFJ-993B Intellituner Review - MFJ-993B Intellituner automatic antenna matching device review by N4KC

Repairing a Kenwood TS-940S - A page dedicated to fixing problems on the Kenwood TS-940S by G4URH

HF Communication funk-elektronik - Ham Radio Store in Austria, dealer for Flex Radio, Alinco, LDG, MFJ, Wouxun and many more ham radio brands

Avantiradio - Polish amateur radio dealer for Yaesu Icom Motorola Diamond MFJ Daiwa Lafayette

Digital Oscilloscope and analyzer software - PC based mixed signal digital oscilloscope and analyzer software for BitScope. Runs on Windows, Linux or Mac OSX systems.

Fatpigdog's Real Time FFT Audio Spectrum Analyzer - Fatpigdog's Real Time FFT Audio Spectrum Analyzer. User interface has the look and Feel of an HP Spectrum Analyzer. But, in addition to the regular Spectrum Plot, it also produces detailed Waterfall plots. The user can optimize the color map, chosing from a wide assortment of color themes. This analyzer supports multiple traces, trace arithmetic and normalization.

Multimode - A new app for Ham Radio running on IPhone and IPod touch. Multimode is a modem for RTTY BPsk31 & QPsk31, with spectrum analyzer and Macros for easy operations.

Tube-type amplifier FAQs. - This page should help the less experienced users solve common problems and questions about HF tube-type amplifiers by Matt Erickson KK5DR

Connect a frequency counter to MFJ 9406 - Modification to connect a frequency counter to a MFJ-9406 50 MHz transceiver by ON6MU

Resolving 6 Meter Amateur Interference - Transmitting operations in the 50-54 MHz range offer some unique problems that over the past 50 years have stymied station owners, forcing them to tolerate quiet hours and hostility from family and neighbors attempting to enjoy other electronic services.

RFI (Radio Frequency Interference) - This page is meant to be a resource for hams interested in understanding and eliminating RFI problems.

Identifying sources of radio frequency interference - This page describes the results of some tests with a portable spectrum analyzer in attempt to identify the sources of RFI around the house. Radio interference was found in a number of unexpected places.

100MHz Spectrum Analyzer - This Spectrum Analyzer supposes to be a cheap and a useful device for any ham radio by Iulian Rosu, YO3DAC / VA3IUL

100 MHz Spectrum Analyzer - Home made 0-100 MHz spectrum analyzer project

HF Antenna Analyzer - 3 to 30 Mhz antenna analyzer schematic by YO3DAC / VA3IUL

N5EG VNA - This article describes a low-cost vector network analyzer that operates from 200 kHz to 100 MHz, and connects to a personal computer using a USB 1.1 interface By Tom McDermott, N5EG, and Karl Ireland

SARK100 Antenna Analyzer - The SARK100 Antenna Analyzer it is yet another antenna analyzer but available in kit form and designed to be easy to assemble and with an affordable pricing.