Nova 100 was #1 FM, as well as overall, for two consecutive surveys in 2/2002 & 3/2002, and was #1 FM in 7/2004 & 8/2004, as well as for a single survey on 2/2005. More recently, they were also #1 FM in 7/2013.
By comparsion, the last time Nova 96.9 was #1 FM was way back in 5/2005, which was the end of their 13 consecutive survey wins for that position, which included being #1 overall for the first 3 surveys of 2004 before 2GB took over the #1 overall position, which is still unbeaten to this day.