On 16 October Radio New Zealand International (RNZI) transmitters will be off-air from 1135-1700 NZDT (2235-0400 UTC) to allow for changes to the antenna combiners. New frequencies 7440 and 17675 will be used after this work is complete. A complete schedule is on the RNZI website.
(Source: RNZI)

on Sep 30th, 2009 at 19:36
Note that the 16 October schedule is valid for only one week until the end of A09! Why not make the change when B09 starts? 7440 is ex-7280-7285-7290 both DRM and AM depending on time.