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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 2144  Voir?

2 meter Magnetic Loop Antenna, Receiving Cubesat Telemetry , Speech Processor, L-Match Tuner Build for QRP Operation, Power and VSWR Indication on the FT-817, MOTA Mines On The Air, 3DA0RU Swaziland
(01/01/1970 : 01:00)
ICOM ID-52E  Voir?

The ID-52E is a VHF/UHF dual band radio with D-STAR and FM dual mode functions. The ID-52E succeeds the popular ID-51E PLUS2 and is the latest Icom model to work on the D-STAR
(01/01/1970 : 01:00)
Yaesu FT5D  Voir?

FT5DR - FT5DE the new 5W C4FM/FM 144/430MHz Dual Band Digital Transceiver with advanced and innovative features
(01/01/1970 : 01:00)
Top Amateur Radio Websites - Issue 2143  Voir?

20m Indoor Loop Antenna, Small HF Antennas, 20 meter short loaded vertical antennas, World of Receivers and Transmitters, A Foot Switch for the Future, Aurora Forecast, Kuhne Electronic
(01/01/1970 : 01:00)
Top Amateur Radio Websites - Issue 2142  Voir?

Coax Stubs for 20m and 40m, How to Blow Up Your Balun, Ferrite and common-mode choke, Make a Compatct Dipole for 7 MHz, Optimizing Harmonic Attenuation Stubs, Panoramic Adapter for the Yaesu FTDX-9000, BAFARA Award
(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)
Troubleshooting Reversible Beverages  Voir?

Antennas/Beverage
It is very worthwhile to understand how Beverages of all types work. Without that understanding it can be quite difficult to interpret what you hear and what you measure.
(01/01/1970 : 01:00)
Keys to Good Code  Voir?

Operating Modes/Morse code/Morse operating guides
Article appeared on 73 amateur radio today in 1999 on how to unlock the secrets of sending precise Morse Code. Article contains hints on how use the stright key and the sideswiper key, but even the electronic keyers or the semiautomatic keys.

... / ... Lire la suite

(01/01/1970 : 01:00)
Adjusting HF Yagi Gamma Matches  Voir?

Antennas/Theory/Impedance matching
There are many feed systems used in yagis over the years. Gamma matches are not as common as they once were. More typical are beta matches and T matches to convert the low impedance of a yagi to 50 ohm.

... / ... Lire la suite

(01/01/1970 : 01:00)
Quad Loop Antenna for 50 MHz  Voir?

Antennas/6M
Building A Full-Wave Quad Loop Antenna for 6 Meters. This is an easy antenna to build and the materials cost about $15-20. It exhibits 1.8dB gain over a 1/2-wave dipole. Using an open-wire parallel feedline (commonly called ladder line) with an antenna tuner, it tunes up on the 10m band as a 5/8-wave loop as well

... / ... Lire la suite

(01/01/1970 : 01:00)
A simple NonDirectional Antenna for 10 meter  Voir?

Antennas/10M
This article is about a simple vertical end-fed-half-wave wire antenna for 10 meters that can be used in case of restricted space.
(01/01/1970 : 01:00)
Homebase 10  Voir?

Antennas/10M
The Homebase-10 is a simple to make wire halo antenna for 10m (28MHz) built using parts available from the local DIY store. The resulting antenna is very effective on 10m despite its small size and light weight. Also shown is a dual-band version for 10m and 6m.

... / ... Lire la suite

(01/01/1970 : 01:00)
A Low Profile 10 Meter Antenna  Voir?

Antennas/10M
A simple vertical whip antenna for 28 MHz with three radials made of 8 foot pieces of scrap wire and a 102 inch whip
(01/01/1970 : 01:00)
Icom IC-R8600 Review  Voir?

Radio Equipment/Receivers
Review of the excellent ICOM IC-R8600 Wide Band SDR communications receiver. Featuring Direct Sampling SDR below 30 MHz Hybrid Superhet / SDR above 30 MHz.
(01/01/1970 : 01:00)
Ferrite Rod TX Antenna for 40m  Voir?

Antennas/Indoor
No exotic claims are made for this antenna. Author just tried a few WSPR experiments on 40 meters and was surprised with the results. What appears below may inspire you to try something equally off-the-wall, to see what happens.

... / ... Lire la suite

(01/01/1970 : 01:00)
2 Element Wire Yagi for 10 meters band  Voir?

Antennas/10M
A page with an embedded video about a two elements yagi antenna for 28 MHz based on the original antenna design by VE7CA
(01/01/1970 : 01:00)

Dernière mise à jour : 26/11/2021 : 22:33

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