Source: stream/rate/Ratio/ratio_rate_stream__get_idf_info.pro
ratio_rate_stream::get_idf_info Return idf information for a ratio stream Usage: val = strref -> get_idf_info(<key>) Keywords: sectors If set return the number of sectors (always 1) unit If set, return the unit of the stream (nT or degrees) History: Original: 7/7/00; SJT Added _extra key to swallow unused items: 24/7/01; SJT Attempt to return correct units: 29/5/02; SJT