Radio amateur activities of LX4SKY
Introduction
Introduction to the world of amateur radio
Files to download & Ham Links
How to become an amateur radio? (en français)
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, WSPRNet, 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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