Antenna presentations by Pekka OH1TVhttp://www.kolumbus.fi/pekka.ketonen/hash%20antenna.pdfhttp://www.kolumbus.fi/pekka.ketonen/why%20baluns.pdf
STOR presentation by Jose EA7KW: https://www.dropbox.com/link/17.GpsFoFJuUF?k=d9fa2f22e654c5f8e03dffcd3eab09f8&eh=dac810d
Cloud Contesting by Tonno ES5TVSolar Topics and High Latitude Propagation Issues by Carl K9LA
Fair Play in Contesting vy Jukka OH6LI
