S4 @ 1715, sounded like a canned commercial broadcast ID.
1718 - "98.6" Keith. Best around 6930.020
1726 - recording of old WNBC ID, seems to be audio from an old WNBC broadcast, from the mid-1980's.
1834 - S5 peaks with Elton John tune
2020 - S7 with WNBC ID, then "The Game Of Love"