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Article Contents

ABSTRACT

1.INTRODUCTION

2.OBSERVING TECHNIQUES AND MAP INTERPRETATION

2.1.Single Dishes versus Interferometers

2.2.Special Techniques in Radio Interferometry

2.3.Mosaicing

2.4.Map Interpretation

2.5.Intercomparison of Different Observations and Pitfalls

2.6.Linear Polarisation of Radio Emission

2.7.Cross-Identification Strategies

3.RADIO CONTINUUM SURVEYS

3.1.Historical Evolution

3.2.Radio Source Nomenclature: The Good, the Bad and the Ugly

3.3.Major Radio Surveys

3.4.Surveys from Low to High Frequencies: Coverage and Content

3.5.Optical Identification Content

3.6.Galactic Plane Surveys and Galactic Sources

3.7.Modern Large-Scale Discrete Source Surveys: NVSS, FIRST, WENSS and SUMSS

3.7.1.The ``WENSS'' Survey at 325-350MHz

3.7.2.The ``NRAO VLA Sky Survey'' at 1.4GHz (NVSS)

3.7.3.The ``FIRST'' Survey at 1.4GHz

3.7.4.The ``SUMSS'' 843MHz Survey with ``MOST''

4.INTEGRATED SOURCE PARAMETERS ON THE WEB

4.1.The Evolution of Electronic Source Catalogues

4.2.Searching in Radio Catalogues: VizieR and CATS

4.3.Object Databases: NED, SIMBAD, and LEDA

5.MISCELLANEOUS DATABASES AND SURVEYS OF RADIO SOURCES

5.1.Clusters of Galaxies

5.2.VLBI and Astrometric Surveys

5.3.Gravitational Lens Surveys

5.4.Variable Sources and Monitoring Projects

5.4.1.Solar Radio Data

6.RAW DATA, SOFTWARE, IMAGES AND SPECTRAL LINE DATA

6.1.Radio Observatories and their Archives

6.1.1.Archives of Centimetre- and Metre-wave Telescopes/Arrays

6.1.2.Archives of (Very) Long Baseline Interferometers

6.1.3.Millimetre Telescopes and Arrays

6.2.Software for Radio Astronomy

6.3.Radio Images on the Internet

6.3.1.Images from Large-scale Surveys

6.3.2.Image Galleries of Individual Sources

6.4.Spectral Lines

6.4.1.Neutral Hydrogen (HI)

6.4.2.Molecular and Recombination Lines, and Pulsars

7.FINDING LITERATURE, ADDRESSES, AND PROPOSAL FORMS ON WWW

7.1.Relevant Literature on the Internet

7.2.Finding Radio Astronomers around the World

7.3.Proposing Observations with Radio Telescopes

8.THE NEAR AND FAR FUTURE OF RADIO SURVEYS AND TELESCOPES

8.1.Continuing or Planned Large-scale Surveys

8.2.Very Recent Medium-Deep Multi-Waveband Source Surveys

8.3.Extending the Frequency Range of the Radio Window

8.4.Spectral Line and Pulsar Surveys

8.5.CMB and Sunyaev-Zeldovich Effect

8.6.Radio Telescopes: Planned, under Construction or being Upgraded

8.6.1.Low and Intermediate Frequencies

8.6.2.Where the Action is: Millimetre Telescopes and Arrays

8.7Space Projects

8.8.Nomenclature and Databases

9SUMMARY OF PRACTICALS

10.CONCLUSIONS

REFERENCES