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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

Top Amateur Radio Websites - Issue 2311  Voir?

Spiral Dipole Antenna for 40m, End fed half wave antenna 40/30/20m, Six Meter Yagi, Microvert Antenna for 40m by ON7IR, 70MHz transverter, A 7 elements 144MHz yagi antenna, Morse key and buzzer project for Scouts, ARRL - Radio Scouting
(01/01/1970 : 01:00)
Top Amateur Radio Websites - Issue 2310  Voir?

KD5RVX MicroVert Antenna, Capacitive Antenna by DL7JV, FT8WW Crozet DXPedition, Can Antenna Calculator, Antenna too long! Capacitive couple with transformation to TRX., Microvert antenna calculator, FT5/W Crozet 2022,
(01/01/1970 : 01:00)
Homebrew HF Radio Made Easy: The uBITX v6 RTX Kit  Voir?

The uBITX v6 is a compact and versatile single board transceiver that covers the entire HF range with minimal controls. It features an Arduino Nano controller, Si5351 oscillator, and a double conversion superhet architecture. Simple to build and align, it offers up to 10 watts pep on lower HF bands.

... / ... Lire la suite

(01/01/1970 : 01:00)
Top Amateur Radio Websites - Issue 2309  Voir?

A compact 5 bands remote switchable BPF , DJ9PK SWR Meters, Zen and the Art of Radiotelegraphy, KC9ON CW Morse Products, FOC Guide to Morse Code Proficiency, ITU International Morse Code Recommendation,
(01/01/1970 : 01:00)
The Art of Telegraphy: Learning Morse Code with a Practice Oscillator  Voir?

The importance of having a Morse practice oscillator for those who want to learn Morse code. Options for buying or building one.
(01/01/1970 : 01:00)
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.
(01/01/1970 : 01:00)
Shortened 40 meter Vertical for POTA SOTA  Voir?

Build A Shortened 40 Meter Vertical antenna For POTA / SOTA Activations. A project for a portable wire antenna for 40 meters band suitable for POTA or SOTA operations.
(01/01/1970 : 01:00)
CY0S Log Online  Voir?

DX Resources/Logs
Online Log CY0S Sable island DX Pedition 2023
(01/01/1970 : 01:00)
Drive-On Antenna Mast For POTA  Voir?

Antennas/Masts and mounts
This antenna mast mount uses two Reese hitch extensions that are welded on to a piece of 2 inch square tube. It comes apart in two pieces. The vertical pipe on the left is welded on to a 2 inch piece of square tube that fits into the Reese hitch extension.

... / ... Lire la suite

(01/01/1970 : 01:00)
RF Toroid Calculator  Voir?

Antennas/Antenna Calculators
This RF Toroid Calculator provides graphical calculator used to determine the inductance and other parameters of ferrite and powdered-iron toroids. It simplifies the process of selecting the appropriate toroid for use in radio frequency (RF) circuits

... / ... Lire la suite

(01/01/1970 : 01:00)
Stop RFI from Solar PV Systems  Voir?

Technical Reference/Radio Frequency Interference
Stop EMI RFI Interference in Off Grid Solar PV Systems, in this article the author provides hints on tracking down the EMI or RFI source, shielding and grounding in order to eliminate interferences on the whole HF and VHF ham radio bands

... / ... Lire la suite

(01/01/1970 : 01:00)
9X5RU Rwanda  Voir?

DX Resources/DX Peditions/2023 DXpeditions
DX expedition to Rwanda by RUDXT March 20, 2023 - April 3, 2023
(01/01/1970 : 01:00)
JJY  Voir?

Shortwave Radio/Broadcasters/Time Signal Radios
JJY is a time signal transmitter operated by the National Institute of Information and Communications Technology (NICT) in Japan. It broadcasts on two frequencies, 40 kHz and 60 kHz, and is used for time synchronization in Japan.

... / ... Lire la suite

(01/01/1970 : 01:00)
BG2FX Amateur Radios  Voir?

Manufacturers/Software Defined Radio
Yu produces miniaturized amateur radio transceivers for portable usage. Yu designed and sold the FX-2, FX-4a, and FX-9A. Other products includes the FX-4C, an 80 m through 10 m transceiver that fits in the palm of your hand.

... / ... Lire la suite

(01/01/1970 : 01:00)
Countries with CEPT Licence  Voir?

Ham Radio/Licensing
A document that includes a list of all countries implementing CEPT licence, with detailed information on licence types like standard CEPT, CEPT Novice and HAREC. A full list of frequencies, and call signs schemas to be used by foreign operators, compiled by Hans Schwarz, DK5JI

... / ... Lire la suite

(01/01/1970 : 01:00)
JBOT QRP linear amplifier  Voir?

Technical Reference/QRP Projects
JBOT stands for Just a Bunch of Transistors. It is a simple, stable and easy to build 5 watts linear amplifier build out of a bunch of ordinary low power NPN transistors.
(01/01/1970 : 01:00)

Dernière mise à jour : 24/03/2023 : 19:00

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