These are survey data points. You must use Sokkia Link to convert them to CAD (DWG/DXF) before making them an image.
SDR files are audio recordings captured by Samsung Digital Recorders. These files are usually encoded in a proprietary format, making it difficult to play or convert them using standard media players. convert sdr file to jpg online fixed
: Occasionally, users mistake CDR (CorelDRAW) or HDR (High Dynamic Range) for SDR. If it is a CDR file, you can use Zamzar . These are survey data points
Most free online converters that claim to handle SDR to JPG actually: convert sdr file to jpg online fixed