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Table 2
Summary of the large-area surveys of point sources used in this work.
| Frequency | Catalogue | Slim (mJy) | Dec range | Angular resolution | ||
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| GB6 | 18 | 0–+75 | 3.5′ | Gregory et al. (1996) | ||
| PMNE | 40 | −9.5–+10 | 4.2′ | Griffith et al. (1995) | ||
| 4.85 GHz | PMNT | 42 | −29–−9.5 | 4.2′ | Griffith et al. (1994) | |
| PMNZ | 72 | −37–−29 | 4.2′ | Wright et al. (1996) | ||
| PMNS | 20 | −87.5–−37 | 4.2′ | Wright et al. (1994) | ||
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| 1.4 GHz | NVSS | 2.5 | −40–+90 | 45′′ | Condon et al. (1998) | |
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| 0.843 GHz | SUMSS | 18 | −50–−30 | 45′′ cosec( | δ |) | Mauch et al. (2003) | |
| 8 | −90–−50 | 45′′ cosec( | δ |) | ||||
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