| Affiliation: |
| AA(National Radio Astronomy Observatory, P.O. Box 2, Green Bank, WV 24944; , , , , ), AB(National Radio Astronomy Observatory, P.O. Box 2, Green Bank, WV 24944; , , , , ), AC(National Radio Astronomy Observatory, P.O. Box 2, Green Bank, WV 24944; , , , , ), AD(National Radio Astronomy Observatory, P.O. Box 2, Green Bank, WV 24944; , , , , ), AE(National Radio Astronomy Observatory, P.O. Box 2, Green Bank, WV 24944; , , , , ), AF(National Radio Astronomy Observatory, P.O. Box 2, Green Bank, WV 24944; , , , , ) |