1 INTRODUCTION

2 DATA  
2.1 Wide Field - Boötes Field  
2.2 Deep Field - COSMOS  
2.3 Flagging of Known X-ray Sources and Known IR/Optical AGN

3 PHOTOMETRIC REDSHIFT METHODOLOGY  
3.1 Template Sets  
3.2 Photometric Zeropoint Offsets  
3.3 Fitting Methods

4 RESULTS  
4.1 Overall Photometric Redshift Accuracy  
4.2 Relative Photo-z Accuracy for Radio and Non-Radio Sources  
4.3 Photometric Redshift Accuracy as a Function of Radio Power  
4.4 Accuracy of the Redshift PDFs

5 OPTIMIZED REDSHIFTS THROUGH HIERARCHICAL BAYESIAN COMBINATION  
5.1 Hierarchical Bayesian Combination of Redshift PDFs  
5.2 Optimized Photometric Redshift Properties

6 DISCUSSION  
6.1 Radio Surveys for Studying Galaxy and AGN Evolution  
6.2 Radio Surveys for Cosmology

7 SUMMARY