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Nouvelles des Amis - DxZone

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

IARU HF Championship 2018  Voir?

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.
(22/07/2018 : 00:00)
Yaesu FT-4XR / FT-4XE VHF/UHF HT  Voir?

Yaesu FT-4X 5W VHF / UHF Handheld Transceiver at a very affordable price
(22/07/2018 : 00:00)
(22/07/2018 : 00:00)
INRAD Microphones  Voir?

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.

... / ... Lire la suite

(22/07/2018 : 00:00)
Elecraft XV Transverters XV50 XV144 XV222 and XV432  Voir?

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
(22/07/2018 : 00:00)
ICOM IC-R20  Voir?

IC-R20 by Icom. Wideband Receiver Professional radioreceiver, allow double receiver, from HF to Microwave, digital recorde, DTCS, Memories and 11 hours countinuous reception.
(22/07/2018 : 00:00)
Repeater Temperature Monitor with Raspberry Pi  Voir?

Technical Reference/Raspberry Pi
A simple and cheap solution to monitor temperature of your repeater implementing a Raspberry Pi device with a set of popular tools made in python a database and RRD tool
(22/07/2018 : 00:00)
The Near Vertical Incident Skywave (NVIS) antenna  Voir?

Introduction to NVIS antenna and NVIS propagation. A simple NVIS antenna can be constructed as shown in this article
(22/07/2018 : 00:00)
Batteries for portable use  Voir?

Technical Reference/Batteries
Batteries for portable radio operation are always an interesting subject for discussion. Review of some LiPo (Lithium-ion polymer ) batteries for amateur radio use.
(22/07/2018 : 00:00)
Calculate Antenna Lenght in feet, inches and meters  Voir?

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

... / ... Lire la suite

(22/07/2018 : 00:00)
Bobcalc 2.0 Air Coil Calculator  Voir?

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.

... / ... Lire la suite

(22/07/2018 : 00:00)
End Fed Half Wave Antenna Coupler  Voir?

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

... / ... Lire la suite

(22/07/2018 : 00:00)
DIY LiFePO4 Battery power for Amateur Radio portable operations  Voir?

Technical Reference/Batteries
An interesting article about a homemade LiFePO4 battery pack for ham radio operations, a 10Ah LiFePO4 based on Headway 38120 Cells
(22/07/2018 : 00:00)
RadioSet-Go - Innovative QRP Radio Design  Voir?

Manufacturers/QRP Kits
Portable, outdoor, trail friendly, low power HAM radio transceivers and kits for sale
(22/07/2018 : 00:00)
WRTC World Radiosport Team Championship 2018  Voir?

World Radiosport Team Championship, Germany July 12-16 2018
(22/07/2018 : 00:00)
Jabra 9450 / 9460 PRO Wireless Headset for Ham Radio  Voir?

Technical Reference/Headsets and Speakers
Interfacing the Jabra 9450 flex wireless headset to the Icom IC 7300 ham radio trasceiver.
(22/07/2018 : 00:00)

Dernière mise à jour : 20/07/2018 : 04:01

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