1 INTRODUCTION

2 OBSERVATIONS AND DATA PROCESSING  
2.1 The GPPS survey and other observations  
2.2 Data analysis  

3 NEW DISCOVERIES  
3.1 Galactic transient sources with merely few pulses  
3.2 Newly discovered proto-RRATs  
3.3 Newly discovered extremely nulling pulsars  
3.4 Weak pulsars with sparse strong pulses  
3.5 Polarization of new sources  

4 OBSERVATIONS OF KNOWN RRATS  
4.1 Known RRATs as normal pulsars  
4.2 Known RRATs as extremely nulling pulsars and pulsars with sparse strong pulses  
4.3 Polarization of known RRATs  
4.4 Sparse Strong pulses and polarization  

5 DISCUSSIONS AND CONCLUSIONS