BBC British Antarctic Survey Annual Midwinter broadcast, June 21

U.K.(non)   BBC British Antarctic Survey Annual Midwinter broadcast, June 21:
2130-2145 on  5985 WOF 300 kW / 184 deg to Antarctica English special program
or alt.freq.  7230 WOF 300 kW / 184 deg to Antarctica English special program
2130-2145 on  6035 DHA 250 kW / 203 deg to Antarctica English special program
2130-2145 on  7360 ASC 250 kW / 207 deg to Antarctica English special program