Assertion: radio wave's frequency | /r/CapableOf | use for a total of 80 channels
Facets:
value: at 27 mhz
type: TEMPORAL
value: worldwide
type: LOCATION
Source sentences:
text: On 1 September 1987 the UK added the usual 40 frequencies (26.965–27.405 MHz) used worldwide, for a total of 80 channels at 27 MHz; antenna regulations were further relaxed, and the 934 MHz band was withdrawn in 1998.