... the drifting birdie was coming from the sbn postamp chassis. it was brought down to the lab 20mar14 15:00 to be worked on. ... We spent 1 month of telescope down time using the 327 receiver for pulsar search.. with this birdie drifting all over the place. p1693 took 327 MHz pulsar search data during the M8-4 cable repair. A birdie was seen to slowly drift from 319 -> 325 MHz over 24 hours. (see dynamic spectra of drifting birdie ). ... it then drifted back to 325 MHz near 6am on 24Feb14. ...