Amateur Radio News

DX Code for DXpeditions

DXZone News - Sat, 09/29/2012 - 13:53
Operating Aids/Travelling
A guide to help maximize the fun for all participants.


Categories: Amateur Radio News

Sending QSL to Russia

DXZone News - Sat, 09/29/2012 - 13:53
DX Resources/QSLing
There are some aspects in regards to mailing QSL letters to Russia which you should know


Categories: Amateur Radio News

Highpass filter calculator

DXZone News - Sat, 09/29/2012 - 13:53
Technical Reference/Filters
Butterworth Highpass Filter Designer


Categories: Amateur Radio News

CQ WW DX Contest Rules

DXZone News - Sat, 09/29/2012 - 13:53
Contesting/Rules
Rules of the CQ WW DX Contest in different languages


Categories: Amateur Radio News

Homebrew Crystal Filter Design

DXZone News - Sat, 09/29/2012 - 13:53
Technical Reference/Filters
Desgining crystal filters and find out crystal data by measuring it.


Categories: Amateur Radio News

Audio filters and speakers

DXZone News - Sat, 09/29/2012 - 13:53
Technical Reference/Audio
Review of common audio speakers for mobile setups


Categories: Amateur Radio News

Using cheap tetrodes in amplifiers

DXZone News - Sat, 09/29/2012 - 13:53
Technical Reference/Amplifiers/RF Amplifiers Theory
This article is written to dispel some of the misconceptions and misunderstandings about some of the tetrode based linear amplifiers, which are currently available on the amateur market.


Categories: Amateur Radio News

CAT5e Wiring Diagram

DXZone News - Sat, 09/29/2012 - 13:53
Technical Reference/Coax Cables and Connectors
CAT5 T-568B Colour Code for RJ-45 Plug


Categories: Amateur Radio News

Antique Radio Parts and Tubes

DXZone News - Sat, 09/29/2012 - 13:53
Links to antique radio parts dealers and makers of antique radio parts like decals dial scales, knobs but also Tube dealers, for amp tubes and antique radio restoration


Categories: Amateur Radio News

Notch Filter Designer

DXZone News - Mon, 09/24/2012 - 22:54
Technical Reference/Filters
Online calculator, Butterworth Bandstop (Notch) Filter Designer


Categories: Amateur Radio News

HF Amplifier using 4-1000A

DXZone News - Mon, 09/24/2012 - 22:54
Technical Reference/Amplifiers/HF Amplifiers
Homebrewing HF amplifier capable of doing the legal limit plus using a 4-1000A


Categories: Amateur Radio News

Constant k Lowpass Filter Design

DXZone News - Mon, 09/24/2012 - 22:54
Technical Reference/Filters
Online Constant - k Lowpass Filter calculator


Categories: Amateur Radio News

Lightning Protection Corporation

DXZone News - Mon, 09/24/2012 - 22:54
Manufacturers/Lightning and Surge Protection
Lightning & Surge Protective Devices from Lightning Protection Corporation


Categories: Amateur Radio News

ADIF2CABR

DXZone News - Mon, 09/24/2012 - 22:54
Software/Log Converters
Convert ADIF into Cabrillo log file format by SP7DQR


Categories: Amateur Radio News

Balanced Line Tuner

DXZone News - Mon, 09/24/2012 - 22:54
Antennas/Tuners
A small Z-Match tuner, BLT, Balanced Line Tuner is a simple Z-Match tuner that works from 10-40 meters


Categories: Amateur Radio News

Log Periodic Antenna Calculator

DXZone News - Mon, 09/24/2012 - 22:54
Antennas/Log Periodic
Online calculator for Logarithmic Periodic Dipole Antenna LPDA


Categories: Amateur Radio News

Circuit Improvements for the TS-440S

DXZone News - Mon, 09/24/2012 - 22:54
Technical Reference/Radio Mods
Some improvements for the Kenwood TS-440S, including distortion level in SSB in transmitted signals, Lack of crispness in the RX audio and Limited transmit frequency coverage.


Categories: Amateur Radio News

Radio Mods

DXZone News - Mon, 09/24/2012 - 22:54
Ham Radio, CB Radio, Scanner radio modifications sites


Categories: Amateur Radio News

ADIF2QSL

DXZone News - Mon, 09/24/2012 - 00:54
Software/QSL
This free program by SP7DQR is designed to print QSL Cards using Mail Merge Tool in MS Word from ADIF file.


Categories: Amateur Radio News

Area Wide Amateur Radio Association

DXZone News - Mon, 09/24/2012 - 00:54
Ham Radio/Clubs/North America/USA/Tennessee
AWARA Area Wide Amateur Radio Association located in Gibson County, TN is an active club that provides training for local Ham operators.


Categories: Amateur Radio News
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