Random triples
| Subject | Object |
|---|---|
| gptkb:NTSC-J | 59.94 Hz |
| gptkb:PAL-N | 50 Hz |
| gptkb:EIA_RS-170 | 59.94 fields per second |
| gptkb:EMI_405-line_system | 50 Hz |
| gptkb:Marconi-EMI_405-line | 50 |
| gptkb:CCIR_System_B | 50 Hz |
| gptkb:PAL-B | 50 Hz |
| gptkb:625-line_PAL | 50 Hz |
| gptkb:PAL-M | 59.94 Hz |
| gptkb:PAL_television_standard | 50 Hz |