| CALL | WXXI-TV |
| City of license | Rochester |
| Channel | 21 |
| Frequency | 512-518 mHZ |
| Offset | None |
| File No. | BLET-19800813KE |
| Location (N-LAT) | 43° 8' 7" |
| Location (W-LON) | 77° 35' 3" |
| Location | Pinnacle Hill |
| ERP | 1230 kW |
| Polarization | Horizontal |
| HAAT | 152 meters |
| HRCAMSL | 299 meters |
| Antenna Type | RCA TFU-25G |
| Directional | No |
| Tilt | Yes |
| DTV Channel | 16 |
| Other Information |
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