下载 APKPure App
可在安卓获取Compass Survey的历史版本
指南针调查应用程序（用户测量的距离）
How to Use
1 Set file name from selection or type New name
2 Move to SURVEY or DATA
3 At SURVEY
(1) Set Distance
(2) Set Angle
(3) Tap RECORD
4 At DATA
(1) Top for moving or deleting data
(2) Long tap for editing the data
(3) Retrieve CSV file from menu