1 INTRODUCTION  
1.1 Background  
1.2 This Work  
2 THE 10C SOURCE CATALOGUE  
2.1 Checking the Flux-Density Scale  
2.2 Correcting the Sources’ Flux Densities for Phase Errors  
2.3 Excluding Areas Around Bright Sources  
3 SURVEY FIELDS  
4 COMPLETENESS  
4.1 Simulations  
4.2 Using the Noise Maps to Estimate the Completeness  
5 SOURCE COUNTS  
5.1 Adding in Data from the 9C Survey  
5.2 Comparison with the de Zotti Model  
6 MATCHING WITH 1.4-GHZ SURVEYS  
7 EXTENDED SOURCES  
8 CONCLUSIONS