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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


The SOTABEAMS bandpass filter  Voir?

New 2 metre filter stops interference
(01/01/1970 : 01:00)
The Best Amateur Radio Links of 2019  Voir?

Some of the best amateur radio links we reviewed during the 2019
(01/01/1970 : 01:00)
Top Amateur Radio Websites - Issue 1940  Voir?

80 Meter Shortened Ground Plain Antenna, LogHX freeware logger software, Antenna Calculation Software , Arduino ACCU Keyer , The Arrow Antenna Portable VHF antenna, Anytone Tech Web Site, Frequency counter project, OQRS Hints and Tips Explained, One-turn loop inductance Online Calculator, BKLog - log book and contest program

... / ... Lire la suite

(01/01/1970 : 01:00)
Red Pitaya STEMlab 122.88-16 SDR Kit Basic  Voir?

SDR Kit Designed for HF+50MHz and RF applications that requires DAQ systems with high precision.
(01/01/1970 : 01:00)
Top Amateur Radio Websites - Issue 1939  Voir?

Micro24 Cigarette Pack SSB QRP Transceiver for 20m , Moxon Antenna for 7 MHz, 9 Circle RX antenna, A Moxon Antenna for Satellites, Top Band Receive Loop Antenna, A Cheap Portable Mast Support, NanoVNA, Homebrew a High Performance SSB RTX for 14 MHz, NanoVNA Saver , The Micro20 III Pocket Size SSB RTX for 20m

... / ... Lire la suite

(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)
Optocoupled Transceiver-PC Audio Isolator project  Voir?

Technical Reference/Sound Card Radio Interfacing
An optocoupled audio interface between PC and Transceiver for digital modes. Schematic of complete board and buid instruction
(01/01/1970 : 01:00)
The Spectrum Monitor  Voir?

Shortwave Radio/SWL DX Newsletters
The Spectrum Monitor, amateur, shortwave AM FM TV Scanning Satellite magazine, is edited and published by Ken Reitz KS4ZR, former managing editor, features editor, columnist and feature writer for Monitoring Times.

... / ... Lire la suite

(01/01/1970 : 01:00)
6m and 4m Vertical Dipole Antenna  Voir?

Antennas/4M
The two dipoles are parallel with a distance of 12 cm and are also fed in parallel. The total length of the 4 m dipole is 208 cm and the 6 m dipole is 280 cm.
(01/01/1970 : 01:00)
Raspberry Pi and Automatic NOAA Satellite Reception  Voir?

Technical Reference/Raspberry Pi
How to receive automatically NOAA wather satellite images with a Raspberry Pi and a RTL SDR. This project requires a Raspberry Pi 3 Model B a common NooElec SDR Dongle and a QFH Antenna in the attic. Article explains how to setup and configure software but no instructions on antenna.

... / ... Lire la suite

(01/01/1970 : 01:00)
Milcom Monitoring Post  Voir?

Shortwave Radio/SWL Resources
A blog dedicated to military communications shortwave intercepts, sponsored by the Teak Publishing
(01/01/1970 : 01:00)
Weak Signals - Reduce volume to reduce noise  Voir?

Operating Modes/Weak Signal
This article discusses how volume reduction can help in the reception of weak signals by reducing the noise level. It is commonly known that reducing the volume also reduces the background noise, and especially in the reception of weak digital signals it can be beneficial

... / ... Lire la suite

(01/01/1970 : 01:00)
2m Quad Turnstile Antenna  Voir?

Antennas/2M
The loops are made of 10 mm round aluminum tube. No bending pliers was used to gently bend 90 degrees to obtain a square with 53 cm inner sides. Each loop has an impedance of approximately 100 Ohm. To connect both radiators in phase, a quarter wave long feeder of 100 Ohm is required.

... / ... Lire la suite

(01/01/1970 : 01:00)
HamClock - Ham Radio Desk Clock  Voir?

Technical Reference/Raspberry Pi
Keep track of much more than the time with this Wi-Fi enabled device. HamClock is a desk clock that could show accurate time, geography, time zone, solar activ- ity, sunrise and sunset times, Maiden- head locators, beam heading,

... / ... Lire la suite

(01/01/1970 : 01:00)
70 MHz 4m Slim Jin Antenna with Ladder Line  Voir?

Antennas/4M
An experimental slim jim antenna for 70MHz band made with a wireman slotted line.
(01/01/1970 : 01:00)
E44RU log online  Voir?

DX Resources/Logs
Online log for E44RU DXpedition to Palestine 2020
(01/01/1970 : 01:00)

Dernière mise à jour : 21/01/2020 : 09:52

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