Advanced Notice... W0RW @ Ice Station Zebra… http://tinyurl.com/zgss4yu Date: 11 Dec. 2019. Time: 1800z, (1300 EST). Freq: 7030 kHz +/- 1. Then at 1900z (1400 EST), on 14061 +/-1 kHz. Then at 2000z (1500z), on 14285 +/- 5 kHz SSB. The QSL card for this operation will be of the Observatory (LBO). Paul W0RW Colorado