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Deployment-support networks (DSNs) have been proposed as a novel tool for the development, test, deployment, and validation of wireless sensor networks. They are expected to enhance scalability and flexibility in deployment by eliminating cable connections. In this paper, we describe our implementation of a DSN, giving details on the algorithms for topology control and maintenance. We provide various measurements of DSNs spanning up to 71 BTnode rev3 devices, featuring the largest Bluetooth scatternet reported to date. We also discuss our experience gained in the development and experimentation. Our results strongly suggest that our implementation scales well to a large number of nodes.