98. 在業餘無線電數位傳輸的“APRS”是什麼的縮寫？
(A) Automatic Packet Reporting System
(B) Associated Public Radio Station
(C) Auto Planning Radio Set-up
(D) Advanced Polar Radio System

答案：登入後查看
統計： A(29), B(2), C(1), D(0), E(0) #2508323