Waltham transmitting station

Columns: Frequency | UHF | kW | Operator | System
514.000 MHz | 26 | 5 | LTVmux | DVB-T | 538.000 MHz | 29 | 25 | COM4 ( SDN ) | DVB-T | 554.000 MHz | 31 | 10.2 | COM7 ( ARQ C ) | DVB-T2 | 602.000 MHz | 37 | 25 | COM5 ( ARQ A ) | DVB-T | 698.000 MHz | 49 | 50 | PSB1 ( BBC A ) | DVB-T | 737.833 MHz | 54- | 50 | PSB2 ( D3 & 4 ) | DVB-T | 754.000 MHz | 56 | 1.4 | COM8 ( ARQ D ) | DVB-T2 | 762.000 MHz | 57 | 25 | COM6 ( ARQ B ) | DVB-T | 770.000 MHz | 58 | 50 | PSB3 ( BBC B ) | DVB-T2

Example questions:
How many Finnish channels belong to the 10.2 kW system ? | How many people are employed by the 49 UHF operator ? | What is the date of the first transmission of LTVmux ? | What is the primary asset of the 31 UHF operator ?

Answers:
21 channels | 22,000 staff | February , 1998 | A network of over 1,000 radio and television transmission sites