Need to improve the call quality of the Gotjawal and Oreum sections of the Olle road

It was pointed out that the call quality needs to be improved on the Olle trails around Gotjawal and Oreum. Jeju Radio Management Center (Director Choi Hyun-ho) announced on the 15th that this result was found as a result of conducting a second round of call quality surveys for all sections of Olle by forming … Read more