| OPUS | INST | LOCATION | CITY | STATE | COUNTRY | STYLE |
| 977 | C | RB STATION KFPY | SPOKANE | WA | USA | SP 3M |
| 977 | D | RB ROLLADIUM SKTG RK | SEATTLE | WA | USA | SP 3M |
| 977 | E | RB BILL CARSON | TUKWILA | WA | USA | SP 3M |
| 977 | F | JERRY GOULD RS | SEATTLE | WA | USA | SP 3M |
| 977 | FB | + 32' DIAPHONES FROM OP 344 | SEATTLE | WA | USA | SP 3M |