http://www.etsi.org/deliver/etsi_ts/145000_145099/145002/12.03.00_60/ts_145002v120300p.pdf http://www.etsi.org/deliver/etsi_ts/145000_145099/145002/12.03.00_60/ts_145002v120300p.pdf http://www.etsi.org/deliver/etsi_ts/145000_145099/145005/12.04.00_60/ts_145005v120400p.pdf http://www.etsi.org/deliver/etsi_ts/145000_145099/145005/12.04.00_60/ts_145005v120400p.pdf http://www.etsi.org/deliver/etsi_ts/145000_145099/145005/12.04.00_60/ts_145005v120400p.pdf http://www.gnuradio.org http://www.gnuradio.org http://www.nuand.com/ http://www.nuand.com/