The European segment of the KiwiSDR network has a number of SDRs with good 100 kHz reception. There is even a crude Loran-C display of sorts (use the “extensions” menu). http://sdr.hu/?q=kiwiSDR A good example, Haparanda, Sweden: http://sm2byc.ddns.net:8073/?ext=loran The great historical record is available with LoranView from Markus, DF6NM Anthorn is the second and third columns from the left. Seems to be running at the moment. http://www.df6nm.bplaced.net/LoranView/LoranGrabber.htm