If you are interested in those aircraft that don't transmit full ADS-B information, such as military flights, light aircraft, helicopters and older airliners - then you need to filter out the aircraft that are showing their position.
Set the MyLog Quick Filter to:
Latitude = 0
Then click the Filter button
To view all aircraft in the MyLog list, click the Show All button
To see only ADS-B aircraft with valid position information, click the ADS-B Only button to the right of the Show All button. Note that this might be hidden from view depending on how you have you map set up.
Also note that it is quite usual for new live tracks not to show position information when you first pick them up. After a few seconds, position information will be decoded and these aircraft will disappear from your Latitude = 0 filtered list.
