PY1AA your callsign, the big event of the UN in Brazil
RIO +20. Whoever contacts during this period will be
receiving a commemorative QSL card. see: RIO+20
80, 40, 20, 15, 10 meters
CW, SSB, Digital
QSL Via PY1AA - bureau or direct SASE.
Keep track of your contacts by HRDLog - contacts also paid by LoTW