SmsLoc 文件传输 应用 为 Android 描述
SmsLoc is an application that queries the location of contacts without the use of mobile network. It uses GPS to retrieve current position and SMS for requests/responses.
SMS request format:
Loc?
SMS response format:
Loc:LAT,LON,ASL,UTC_S,V_KMH,ACC_M,BAT_PCNT, where:
- LAT, LON are latitude and longitude in degrees rounded up to 4 decimal places.
- ASL or Above Sea Level is the absolute altitude as reported by the GPS in meters.
- UTC_S is the timestamp of the GPS fix in seconds. The timestamp corresponds to the time of the actual fix, and not when SMS was received.
- V_KMH is the speed in kilometers/hour.
- ACC_M is the accuracy reported by the GPS chip in meters.
- BAT_PCNT is the battery percentage of the device sending the response.
