This was DefaultTimeSeriesBrowse until it became clear that it didn't properly parse and reformat the URIs like vap+inline:ds1=getDataSet('http://emfisis.physics.uiowa.edu/Flight/RBSP-A/L3/$Y/$m/$d/rbsp-a_magnetometer_4sec-sm_emfisis-L3_$Y$m$d_v$(v,sep).cdf?Mag&slice1=1&timerange=2014-02-23')&ds2=getDataSet('http://emfisis.physics.uiowa.edu/Flight/RBSP-A/L3/$Y/$m/$d/rbsp-a_magnetometer_4sec-sm_emfisis-L3_$Y$m$d_v$(v,sep).cdf?Mag&slice1=0&timerange=2014-02-23')&ds2&timerange=2014-02-23 These should have been escaped, but it's probably too late.
create the TimeSeriesBrowse with the initial URI which may contain the parameter "timerange." The timerange may also be specified using the second parameter.