Fringe test for Urumqi at 4 Gbps.
20 March 2025
Mode:
6 cm, 4096 Mbps, 32 BBC channels, 32 MHz filters, 2-bit sampling
Participating antennas:
Onsala 25m (O8), Tianma 65m (T6), Urumqi (Ur).
With 2 s integration times on 0234+185, grabbed from scans 2 and 7.
Notes:
-- Ur: First time testing 4 Gbps recording. Succesful test, with strong fringes.
-- Sampler statistics for Urumqi are acceptable, with some flattening mostly in LSB channels.
-- Edge sub-bands show expected amplitude roll-off due to local oscillator range limitations at high data rates.
scan02
2 s integration, 0234+185, 13:38 UTC (all baselines)
scan07
2 s integration, 0234+185, 14:18 UTC (all baselines)