Examples: starttime=2012-11-29 or 2012-11-29T00:00:00 or 2012-11-29T00:00:00.000 Examples: endtime=2012-11-29 or 2012-11-29T00:00:00 or 2012-11-29T00:00:00.000 Examples: network=BK or network=BK,NC or network=B? Examples: station=BKS or station=BKS,CMB or station=C* or station=?MN? Examples: location=-- or location=?0 or location=--,10 Examples: channel=BHZ or channel=BH1,BH2 or channel=*Z or channel=BH?