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From: RAC Headquarters Date: February 19, 2001 Subject: Transatlantic QSO on LF completed On February 19th Laurence Mayhead, G3AQC and Larry Kayser, VA3LK completed a transatlantic QSO between the UK and Eastern Ontario on 136 kHz. The QSO began February 5th and was completed on February 19th with the reception of VA3LK's report by G3AQC. The QSO was made using a visual adaptation of Morse, and using the visual signal receiving program ARGO. The dits were 90 seconds long, the dashes 180 seconds long. Both stations used homebrew transmitters and a mix of commercial and homebrew receiving equipment. At these frequencies a wavelength is about 2200 metres long. The effective radiated power at G3AQC was in the order of 350 milliwatts. To learn more about Amateur Radio on LF, got to the RAC website at http://www.rac.ca/infodx.htm