Angus transmitting station

Columns: Frequency | UHF | kW | Operator | System
727.25 MHz | 53 | 100 | Channel 4 | PAL System I | 753.833 MHz | 56- | 2 | Arqiva ( Mux C ) | DVB-T | 759.25 MHz | 57 | 100 | BBC One Scotland | PAL System I | 777.833 MHz | 59- | 4 | SDN ( Mux A ) | DVB-T | 783.25 MHz | 60 | 100 | STV | PAL System I | 801.833 MHz | 62- | 4 | BBC ( Mux B ) | DVB-T | 807.25 MHz | 63 | 100 | BBC Two Scotland | PAL System I | 825.833 MHz | 65- | 2 | Arqiva ( Mux D ) | DVB-T | 834.166 MHz | 66+ | 4 | Digital 3 & 4 ( Mux 2 ) | DVB-T | 850.000 MHz | 68 | 4 | BBC ( Mux 1 ) | DVB-T

Example questions:
For the operator who 's sister channel BBC Two Scotland , what does it have its own team of ? | Among the television stations that uses 100 kW , which operator employs over 22,000 ? | What system that is also used the US by Amateur television operators , where is its operator from ? | What is the system used by the television station who 's operator celebrated its 60th birthday in 2017 ?

Answers:
continuity announcers | BBC | Crawley Court | PAL System I