Technical & Featured Articles

QSL-ing via the Bureau and more

There may be many ways to confirm a QSO with another station (LoTW, E-qsl, etc.), but the top way, in my opinion, is the QSL card and especially the one we will receive for free […]

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Analysis of Spots reported by the SZ1A Skimmer

You may have read a previous article of mine (Greek), here on SZ1A, about skimmers. How do we put all this into practice? How will this technology be useful in our daily lives? How can […]

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SSB QSO via Qatar OSCAR-100 - The First Geostationary Satellite carrying Amateur Radio

A Practical Guide to Getting on Qatar OSCAR-100 (video)

An Introduction Qatar OSCAR 100 launched on November 15, 2018, and is the first geostationary satellite with an amateur radio transponder on-board. It is a joint project of the Qatar Satellite Company (Es’hailSat), the Qatar […]

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6m (50.1MHz) Far Field Plot of End-Fed Half Wave Antenna

End-Fed Half Wave (EFHW) Antenna Modeling with MMANA-GAL

I wanted a quick & easy to install high-power multiband wire antenna for field-day and temporary operations and I’ve been hearing a lot about End-Fed Halfwave antennas lately. So I recently purchased the EFHW-8010-2K from Myantennas.com which […]

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Make your own propagation forecast with W6EL

Written by Kostas Stamatis, SV1DPI Carl Luetzelschwab, K9LA back in 2004, wrote an article called “An Introductory Tutorial to W6ELProp – Running Your Own Propagation Predictions”. This file helped me a lot to understand how […]

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