This might be helpful for anyone setting up SatPC32 satellite tracking. If you know what it is, you Know enough! Add the lines to your file found in the Aux Files via (? tab) M0YKS Latest Doppler.SQF created 25-08-25 This file contains all data required for the CAT tuning to operate. CAT tuning only works for satellites whose frequencies are contained in the file. To use the program's tuning functions during Vfo operation, these data are also needed. It is essential not to modify the file format, when you edit the file. Be careful not to add blanks or blank lines. For decimal markers, the point has to be used. To add another satellite, copy one of the lines, insert the copy into the data section, then modify it for the new satellite. AO-27,436795,0,FM,FM,NOR,0,0,FM AO-7,29450,145900,USB,LSB,REV,0,0,Mode A AO-7,29502,0,CW,CW,NOR,0,0,CW AO-7,145950,432150,USB,LSB,REV,0,0,Mode B C AO-7,145970,0,CW,CW,NOR,0,0,CW AO-73,145960,435140,USB,LSB,REV,0,0,SSB AO-...