An elongated element for the frame of a panel system comprising a flexible sheet material includes a main profile to which an auxiliary profile is associated. A housing for housing a float has a through-hole in the sidewall of the side opposite from the sidewall that faces the movement of the oil dipper. High speed digital signal processing enables on-depth, high quality data for all azimuths at each depth to be obtained, processed, normalized and either sent to the surface in real time for each 20 Hz firing cycle, as the CBL tool is pulled toward the surface, or stored in a memory module in digital form for later retrieval. Algorithms choose at most two chunk requests per chunk period to be sent to the arbiter, which queues up to roughly 24 requests per output port.