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Radio amateur activities of LX4SKY

The author's QSL

Introduction

Introduction to the world of amateur radio

Files to download & Ham Links

How to become an amateur radio? (en franšais)

Audio and sound files

The ham-spirit from hobby to contests

Traffic and codes

Clusters and packet radio

Ham shacks of dream

Satellites reception

Hams in the sky

Work the world with EchoLink !

Digital Radio Mondiale

Meteor Scatter communications

The time in the world

ISS "ET Shadow" experiment

History

The History of Amateur Radio

The History of Torre Bert

The Titanic tragedy, sunk between CQD and SOS

The future of communications

Technical reviews

How to select a HF transceiver ?

Basics of antennas

Yaesu FT-1000MP Mark-V transceiver review

What directive antenna to select ?

Kenwood TS-570D(G) transceiver review

Equipment for portable HF operations

Ham software review

From Long wire to Yagi

All about Lightning protection

Wire antennas for listeners

Check your transmitter power

G5RV multi-band antenna

Principles of amplification

ALA 1530 active magnetic loop antenna review

How to select a solid-state HF amplifier ?

Assembling your antenna system

How to select a tube HF amplifier ?

Select your antenna rotating system

How to preserve your tube lifespan ?

RFI, troubles and solutions

All about Transmission lines

MFJ-1026 Deluxe Interference & Noise Canceler review

SWR, the radiation resistance

BPL communications & the amateur radio

From dB to S-point : Learn to play with power units

Electromagnetic radiations and your health

The mystery of radials

Propagation

Real-time status of solar, geomagnetic and auroral activities

Review of HF propagation analysis and prediction programs

The radio propagation

What can we expect from a HF propagation model ?

Ionospheric perturbations

VOACAP review

HF Propagation tutorial, by Bob Brown, NM7M

HFProp review

CQ DX for a SWL (and others)

DX ToolBox review

SSN or the short history of the Smoothed Sunspot Number

WinCAP Wizard review

Eclipses and the D-layer absorption

DX Summit, LOTW, DXHeat, WebSDR (links)

Back office activities

DX entities without ham activity

QSL confirmed

QSL and green stamps

Awards and certificates

Chasing QSL cards


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