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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 2114  Voir?

Hairpin antenna for 40m band, AGWQSLPrint, Improving Gain of the Super J-Pole Antenna, FreePCB, Linear Loaded 40m Dipole, Coaxial Collinear Antenna for 70 CM Band, 40m loaded dipole, VSP Manager,
(01/01/1970 : 01:00)
NanoVNA-H4 Vector Network Analyzer  Voir?

NanoVNA-H4 Vector Network Analyzer - 10KHz-1.5GHz HF VHF UHF Antenna Analyzer with 4-inch LCD touchscreen,portable with 1950mAh battery
(01/01/1970 : 01:00)
Top Amateur Radio Websites - Issue 2113  Voir?

High Performance common-mode chokes, A Practical, 5-Band Homebrew Wire Beam , Morse Code Course by UBA, What is a HAM Mesh Network, Online dBm to watts conversion, Free Virtual Serial Port, mW to dBm Calculator,
(01/01/1970 : 01:00)
Top Amateur Radio Websites - Issue 2112  Voir?

160m Band Loaded Inverted L Antenna, How to evaluate Choke performance, Two elements Triband Yagi Antenna, HW VSP3 - Virtual Serial Port, Ham Goodies, Virtual COM
(01/01/1970 : 01:00)
MFJ-989D ANTENNA TUNER  Voir?

HF Manual Antenna Tuner 1.8-30 MHz, Legal Power
(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)
Ham Radio Clip Art by GoGraph  Voir?

Internet and Radio/Pictures
A collection of ham radio clip art royalty free. Additional amateur radio clip art can be found changing the search terms.
(01/01/1970 : 01:00)
Real-time ionogram  Voir?

Propagation/MUF Indicators
This page displays the current ionogram and tries to determine the nearest digisonde report to your location. Data coming from this sondes are used to determine the MUF for oblique propagation on HF spectrum

... / ... Lire la suite

(01/01/1970 : 01:00)
Home Built 6M J-Pole Antenna  Voir?

Antennas/6M/6 meter J-Pole Antenna
This article provides details on building a 6 Meter J-Pole antenna using PVC pipe for an enclosure.
(01/01/1970 : 01:00)
HF communication prediction tools  Voir?

Propagation/Propagation Forecast
Online HF Communication prediction system provided by the Australian Governament Buerau of Metereology allow to predict usable frequency rage for radiocommunications between two stations allowing to specify frequency and date range. This tool allow calculation with different methods and algorithms

... / ... Lire la suite

(01/01/1970 : 01:00)
Sunspot Index Since 1750  Voir?

Propagation/Sunspots
The yearly, black, up to 1750, and monthly red, from 1750 up to now, sunspot numbers provided by the Royal Observatory of Belgium SILSO
(01/01/1970 : 01:00)
Calculation of the Maximum Usable Frequency  Voir?

Propagation/MUF Indicators
This paper presents the method of calculating the maximum usable frequency (MUF) and field strength of radio waves reflecting 2 times at the F2 ionosphere layer under inhomogeneous conditions of the ionosphere. The comparison between predicted and measured MUF has shown that the proposed method significantly increases the accuracy of calculation MUF.

... / ... Lire la suite

(01/01/1970 : 01:00)
Build your own Windom Antenna  Voir?

Antennas/Windom
Building a Windom HF Antenna. A PDF file presentation about homebrewing a windom antenna for the HF bands with formulas for 40 and 80 meters bands and step by step guide on making a 4:1 balun to feed the antenna.
(01/01/1970 : 01:00)
WebSDR Wismar  Voir?

Internet and Radio/WebSDR
This WebSDR is located in Wismar in the north of Germany JO53RV and operated by Frank Goehling DO7AX
(01/01/1970 : 01:00)
DARC Contest Calendar  Voir?

DX Resources/Contest Calendars
Yearly contest calendar compiled and manteined BY DARC with weekly and montly HF Contest calendar
(01/01/1970 : 01:00)
Moxon Beam for 2m  Voir?

Antennas/Moxon
A home made, dirty and quick moxon antenna for 144 MHz made with PVC pipes.
(01/01/1970 : 01:00)

Dernière mise à jour : 18/04/2021 : 11:31

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