While 95.8 Capital Radio struggles to cut through according to the latest figures, GCap have also seen a near-total collapse in listening for XFM 104.9.
The station has recorded its lowest audience since June 2002, and its lowest total hours since June 1999. The London-wide station now has a market share of just 0.9 per cent.
The latest results for Quarter 1 2008 show a quarter-on-quarter drop in audience of 26 per cent, from 513,000 to 379,000. Total hours for the station are now 1.957 million, less than Gold London on medium wave, Smooth Radio or Clyde 2 in Glasgow or Galaxy Birmingham.
Meanwhile XFM Manchester showed substantial growth in hours from 859,000 to 1.23 million, while XFM Scotland's hours dropped by 180,000.