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HF Propagatie


   Bezoekers online


RSS lezer - The DXZone.com

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 1933  Kijk naar?

Antuino - Antenna Test Equipment, WA3TFS Projects, Circuit Boards and Kits for Amateur Radio , miniVNA PRO Modifications, The Cubical Quad is Beautiful, Daki Funkversand, Bergendorffs Radiomuseum, TE Systems 6 Meter Amplifier Review, A Collins 75A-4 Restoration, Quad Antenna On-line Calculator, Icchipword

... / ... Lees meer...

(01/01/1970 @ 01:00)
A class-leading lightweight carbon-fibre mast from SOTABEAMS  Kijk naar?

A new carbon-fibre portable telescopic mast.
(01/01/1970 @ 01:00)
RSPdx by SDRPlay  Kijk naar?

The SDRplay RSPdx is a complete redesign of the popular RSP2 and RSP2pro multi-antenna receiver. It is a wideband fullfeatured 14-bit SDR which covers the entire RF spectrum from 1kHz to 2GHz.
(01/01/1970 @ 01:00)
Top Amateur Radio Websites - Issue 1932  Kijk naar?

Second floor grounding, Field Day Vertical Antenna by KN5L, Ground Systems as a Factor in Antenna Efficiency, IC-705 English Brochure, W9GF GAP TITAN DX Antenna Installation, Win4IcomSuite ICOM Radio Control Software, Challenger DX Antenna Review by NK7Z, Win4YaesuSuite - Yaesu Radio Control, Balun_cmr Calculate common-mode impedance, Online Helical Coil Calculator

... / ... Lees meer...

(01/01/1970 @ 01:00)
The Adalm Pluto SDR Active Learning Module  Kijk naar?

A self contained RF lab in your hand by Analog Devices
(01/01/1970 @ 01:00)
ICOM IC-R20  Kijk naar?

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)
PJ5 St. Eustatius DXpedition by SP6IXF and SP6EQZ  Kijk naar?

DX Resources/DX Peditions/2019 DXpeditions
All HF Bands CW/SSB/DIGI CQ WW CW anb Online log St. Eustatius DXpedition
(01/01/1970 @ 01:00)
TX7X Marquesas Islands DX Pedition  Kijk naar?

DX Resources/DX Peditions/2019 DXpeditions
TX Marquesas 2019 Nov 6 - 2019 Nov 19, 60-10m; CW SSB FT8 QSL via LoTW official web site
(01/01/1970 @ 01:00)
A35JP Tonga  Kijk naar?

DX Resources/DX Peditions/2020 DXpeditions
I will QRV again from Tongatapu Island (OC-049) as A35JP from 24th November 2019 to November 2020. This time, I will be stationed there as a resident supervisor of the international coorporation project. From 24th November 2019 to November 2020 160m-6m. CW, SSB, FT8

... / ... Lees meer...

(01/01/1970 @ 01:00)
American Radio History - Publications Digital Archive  Kijk naar?

Operating Aids/History
The history of radio documented in thousands of publications including copies of popular US and UK amateur radio magazines and newsletters since 1930s
(01/01/1970 @ 01:00)
A Compact 600W Broadband HF Power Amplifier  Kijk naar?

Technical Reference/Amplifiers/HF Amplifiers
A 600W 1.8 MHz to 54 MHz power linear amplifier made using rugged MRF300 transistors featuring output power between 580W and 750W depending on band, power supply: 48V, 18A typical, 20A max

... / ... Lees meer...

(01/01/1970 @ 01:00)
Using a Baofeng handheld to work Satellites  Kijk naar?

Operating Modes/Satellites
How to program Baofeng handheld transceiver with satellite frequencies, and how to get alerts when satellites are visible by using a smartphone app. A beginners guide to work satellites with a common VHF handheld radio.

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(01/01/1970 @ 01:00)
Antenna Tuner Basics - In search of the perfect antenna  Kijk naar?

An article that explain with simple concepts and basic theory the correct usage of antenna tuners. It covers some aspects of common questions newcomers have on what antenna tuners are for, and what antenna tuners will never do.

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(01/01/1970 @ 01:00)
VHF-UHF Long Boom Very High Performance Antenna Designs  Kijk naar?

Antennas/VHF UHF
Experimental Long Boom Antennas - CP, LPDA, multiband with several NEC Files for 50MHz 144MHz 222 MHz 432MHz but also 902MHz and 1296 MHz Antenna projects. Includes also for each antenna model, in a general comparison table each antenna characteristics including Directive Gain, G/T, E-F/R, H-F/R abd Boom Length. This is a great value comparison table of several commercial and home made VHF UHF antenna projects.

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(01/01/1970 @ 01:00)
W8S Swains DX Pedition 2020  Kijk naar?

DX Resources/DX Peditions/2020 DXpeditions
W8S Official web site of the Swains Island March 2020. Information about the Team, plans, frequencies and info on the Swains island
(01/01/1970 @ 01:00)
QRP Portable Station Winter Configuration  Kijk naar?

Operating Modes/Portable Operations
An article describing equipment needed to make portable operations evenin winter cold times. The article is completed by a nice video describing not only the radio setup but even the tent and power supply equipment

... / ... Lees meer...

(01/01/1970 @ 01:00)

Laatst import : 14/11/2019 @ 06:41

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