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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


WSJT-X version 2.1.0 released  Voir?

The WSJT Development Group is pleased to announce the general availability (GA) release of WSJT-X Version 2.1.0.
(01/01/1970 : 01:00)
Top Amateur Radio Websites - Issue 1923  Voir?

Meteo Beacon in VHF with a Raspberry pi, Designing VHF/UHF Quad Antenna, FT8 Operating Guide - Weak signal HF DXing, PT40 7 MHz Transceiver by AA3SJ, RFzero, HamFM Classifieds, E31A Log Online,
(01/01/1970 : 01:00)
OMEGA+ Portable Radio  Voir?

OMEGA+ radio is a compact and portable HF , 4m + 6m amateur radio Transceiver for QRP, Portable, SOTA operations.
(01/01/1970 : 01:00)
IARU HF Championship 2019  Voir?

IARU HF CONTEST - The second full weekend of July, beginning 1200 UTC Saturday and ending 1159 UTC Sunday (July 13-14, 2019).
(01/01/1970 : 01:00)
Top Amateur Radio Websites - Issue 1922  Voir?

RDF with Raspberry PI and RTL-SDR, Barest of bones APRS RF position reporter, CRkits - manufacturer of ham radio QRP Kits, Coax Loss Calculator Online by K5VR, Radio N9SKN /P QRP Field Operations, Coax Cable Attenuation and Power Handling Online Calculator, MJ/OQ7A/P The Minkies Islands DX Pedition,

... / ... 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)
The End-Fed Half-Wave Antenna - Presentation  Voir?

Antennas/End-Fed/End Fed Half Wave Antenna
A very well done presentation about End-Fed Half-Wave antennas. This PDF document contains a summary of experiences in how to build custom EFHW antennas. Includes an interesting comparison table of UnUn configurations with recommended toroids, Wire size, turns and capacitors. An useful recap on common errors in building homebrew EFHW Ununs completes the document.

... / ... Lire la suite

(01/01/1970 : 01:00)
The Antenna Torque Calculator  Voir?

Technical Reference/Antenna Rotator
This unique online tool helps Ham Radio operators to choose the right rotator for medium and large HF antenna systems. The algorithm implemented in this calculator is the result of 40 years of experience in the HF Antenna sector. Given the Wind Speed, the total antenna square area, and the boom length, it will return the calculated torque value.

... / ... Lire la suite

(01/01/1970 : 01:00)
TYT MD-390 Rx Audio Issue  Voir?

Technical Reference/VHF Radios
Common issue on the TYT MD-390 when the speaker start sounding like it is broken, but it depends by the external mic cover.
(01/01/1970 : 01:00)
1A0C Online Log - 2019  Voir?

DX Resources/Logs
Log Online of the DX-Pedition to The Order of Malta's Italian Relief Corps (CISOM)
(01/01/1970 : 01:00)
Balcony Mounted Buddistick Antenna by KP4MD  Voir?

Antennas/Portable
The antenna handles 250 watts and covers 40 through 10 meters, with an optional add on coil for 80 and 60 meters. The author in this pages includes an interesting video in which describes the antenna setup, and the importance of the shunting coil on lower bands like 40 and 80 meters. SWR curves diagrams are also included and demonstrate the influence on resonating frequency of the shunting coil.

... / ... Lire la suite

(01/01/1970 : 01:00)
Icom IC-756PROIII - Icom UK Discontinued products  Voir?

Radio Equipment/HF Transceivers/ICOM IC-756
A page dedicated tho the IC-756PROIII transceiver. This radio, discontinued, incorporates many of the features that made its predecessors so successful. However, the integration of the latest technology employed in the IC-7800 such as receiver technology, +30dBm class IP3, miniscope makes this new rig the very pinnacle of the IC-756PRO series.

... / ... Lire la suite

(01/01/1970 : 01:00)
3 element Yagi Antenna On-line Caluclator  Voir?

Antennas/Antenna Calculators
This article includes an online calculator for a 3 element Yagi Antenna. The formula and basics theory of Yagi Antenna are also explained with examples.
(01/01/1970 : 01:00)
Ham radio shack desk project  Voir?

Ham Radio/Ham Shack
A new ham radio shack desk made of a solid core oak door.
(01/01/1970 : 01:00)
Omega Radio  Voir?

Manufacturers/Transceivers
Omega Radio is a Polish manufacturer of the QRP portable OMEGA+ transceiver.
(01/01/1970 : 01:00)
The Great Ham Radio Desk Project  Voir?

Ham Radio/Ham Shack
A great amateur radio shack desk done with a second hand solid core door, measuring 32 inches wide by 80 inches long.
(01/01/1970 : 01:00)

Dernière mise à jour : 20/07/2019 : 01:45

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