DZ1A – Siargao Island OC-235Apr 12, 2019 | 0 Audie, DU1ZDR and Gazelle DU1ZDQ will be active from Siargao Island OC-235 as DZ1A on May 4-5 at Patrick’s on the Beach. QRV on the main IOTA frequencies 14.260 and 7.055Mhz; SSB & CW.