GBP/USD has broken its short-term declining channel, which is short-term positive. A test of the short-term resistance at 1.6178 is likely underway. An hourly support can be found at 1.6094 (intraday low).
GBP/USD is likely moving in a long-term horizontal range. The resistances given by 1.6302 (30/04/2012 high) and by the long-term declining trendline (linking the August 2009 top with the April 2011 top) favour a consolidation phase.