Assertion: radio wave's frequency | /r/HasProperty | allocated at 20 channels
Facets:
value: in november
type: TEMPORAL
value: after high-profile public demonstrations
type: TEMPORAL
value: on 934 mhz
type: LOCATION
Source sentences:
text: However, in November 1981 (after high-profile public demonstrations) 40 frequencies unique to the UK, known as the 27/81 Bandplan using FM were allocated at 27 MHz plus 20 channels on 934 MHz