All changes to tower
| Date | Change | Source |
|---|---|---|
| 15 Jan 2024 | 1-3: nominal added. | From Taylor tuning book 27/417-419, transcribed by George Dawson via Bill Hibbert #006190 |
| 22 Sep 2018 | PN info added | TimJ(info from S-A Caunter TowerCapt via REMRKS233) via e-mail |