Rowridge transmitting station

Columns: Frequency | UHF | kW | Service | System
471.25 MHz | 21 | 500 | Channel 4 | PAL System I | 495.25 MHz | 24 | 500 | BBC Two | PAL System I | 519.25 MHz | 27 | 500 | ITV1 | PAL System I | 530.166 MHz | 28+ | 20 | BBC ( Mux B ) | DVB-T | 545.833 MHz | 30- | 20 | SDN ( Mux A ) | DVB-T | 551.25 MHz | 31 | 500 | BBC One | PAL System I | 562.166 MHz | 32+ | 20 | Digital 3 & 4 ( Mux 2 ) | DVB-T | 570.166 MHz | 33+ | 20 | Arqiva ( Mux D ) | DVB-T | 578.000 MHz | 34 | 20 | BBC ( Mux 1 ) | DVB-T | 602.166 MHz | 37+ | 20 | Arqiva ( Mux C ) | DVB-T

Example questions:
The Southern England transmitting station TV service running on DVB-T at the lowest UHF frequency is mostly funded by a fee charged to who ? | The Southern England transmitting service station operating at 30- UHF is owned by which company ? | The Southern England transmitting service station running at the highest UHF rating uses a frequency names after which person ? | The earliest Southern England transmitting service station to to use the PAL system was started in which year ?

Answers:
British households | ITV plc | Heinrich Rudolf Hertz | 1936