The DXZone.com Amateur Radio Internet Guide

Latest articles, reviews and links posted to The DXZone.com, an amateur radio, cb radio, scanning and shortwave radio, reference site

07/16/2018 02:37 PM
IARU HF Championship 2018
July 14-15, 2018 - Objective: To contact as many other amateurs, especially IARU member society HQ stations, around the world as possible using the 160, 80, 40, 20, 15 and 10 meter bands.

07/16/2018 02:37 PM
Yaesu FT-4XR / FT-4XE VHF/UHF HT
Yaesu FT-4X 5W VHF / UHF Handheld Transceiver at a very affordable price

07/16/2018 02:37 PM
Phonema Speakers

07/16/2018 02:37 PM
INRAD Microphones
INRAD Desk Microphone System is an exciting line of great sounding microphone models. Each INRAD microphone has an attractive stage-style body and a unidirectional cardioid element with unique audio characteristics to accommodate every operator's voice, radio and preferences. INRAD micrpohones can be connected to most popular amateur radio transceivers, including ICOM, Yaesu, Kenwood, FlexRadio, Elecraft, Ten-Tec products.

07/16/2018 02:37 PM
Elecraft XV Transverters XV50 XV144 XV222 and XV432
Four state-of-the-art transverters are included in Elecraft's new XV Series: the XV50 (6 Meters), XV144 (2 Meters), XV222 (222 MHz) and XV432 (432 MHz). The transverters can be used with nearly any transceiver that covers the 28 to 30 MHz frequency range

07/16/2018 02:37 PM
ICOM IC-R20
IC-R20 by Icom. Wideband Receiver Professional radioreceiver, allow double receiver, from HF to Microwave, digital recorde, DTCS, Memories and 11 hours countinuous reception.

07/16/2018 02:37 PM
Calculate Antenna Lenght in feet, inches and meters
Antennas/Antenna Calculators
Inches and meters Javascript Wavelength Calculator allow to input a frequency in MHz and calculate wavelenght in several units considering also fractions of wavelenght and the velocity factor. Includes an usefull inch to meter converter

07/16/2018 02:37 PM
Bobcalc 2.0 Air Coil Calculator
Software/Circuit Design
Bobcalc is a simple windows software to calculate the air core coils, the most widely used in RF circuits and may use the software to determine the data to build a coil, knowing that the inductance of this coil.

07/16/2018 02:37 PM
End Fed Half Wave Antenna Coupler
Antennas/End-Fed/End Fed Half Wave Antenna
A home made end-fed half-wave antenna coupler with antenna lenght calculator and counterpoise calculator based on center frequency. Includes pictures and drawings along to antenna homebrewing instructions with a home made on air wound transformer

07/16/2018 02:37 PM
DIY LiFePO4 Battery power for Amateur Radio portable operations
Technical Reference/Batteries
An interesting article about a homemade LiFePO4 battery pack for ham radio operations, a 10Ah LiFePO4 based on Headway 38120 Cells

07/16/2018 02:37 PM
RadioSet-Go - Innovative QRP Radio Design
Manufacturers/QRP Kits
Portable, outdoor, trail friendly, low power HAM radio transceivers and kits for sale

07/16/2018 02:37 PM
WRTC World Radiosport Team Championship 2018
Contesting
World Radiosport Team Championship, Germany July 12-16 2018

07/16/2018 02:37 PM
Jabra 9450 / 9460 PRO Wireless Headset for Ham Radio
Technical Reference/Headsets and Speakers
Interfacing the Jabra 9450 flex wireless headset to the Icom IC 7300 ham radio trasceiver.

07/16/2018 02:37 PM
End-Fed HalfWave Matching Unit for SOTA operations
Antennas/End-Fed/End Fed Half Wave Antenna
An end-fed half wave antenna matching unit made of 3:24 turns ratio on a FT140-43 toroid with a 150pF capacitor across the input.

07/16/2018 02:37 PM
Ameritron AL-80B Amplifier Pics
Radio Equipment/HF Amplifiers/Ameritron AL-80B
A page with pictures of the Ameritron AL-80B Amplifier, including the inside box where is possible to see the 3-500ZG tube capable to provide 800W in CW.

07/16/2018 02:37 PM
Icom HM-36 Mod for ICOM IC-7200 and IC-7600
Radio Equipment/HF Transceivers/Icom IC-7600
HM-36 Modification to make it work with an IC-7200 and the IC-7600