WABB
| Frequency | 1130 khz (266 meters) - frequency shared with WBAK |
| Original owner | Dr. John B. Lawrence |
| Original location | 2006 Market St., Harrisburg |
| Power | 10 watts |
| First broadcast | 4-19-1923 |
| Other owners | Harrisburg Sporting Goods Co. (as of June 30, 1924, per Dept. of Commerce records), Harrisburg Radio Co. (as of June 30, 1926, per Dept. of Commerce records) |
| Other frequencies | 1470 khz (as of June 30, 1926, per Dept. of Commerce records) |
| Dark | 1926? |
4-19-1923 article - Speech to be given by actress Madge Bellamy at official opening; station was formerly known as 3CDO. (Contributed by Jack Danner)
4-20-1923 article - Second "official" station in Harrisburg opens on 266 meters; WBAK credited as first station; both stations must share the frequency. (Contributed by Jack Danner)