The RRC3 Sport Altimeter is a barometric dual-deploy altimeter, with the features of high-end units, at the cost of those with a more modest feature set. In addition to basic dual-deploy capability, the RRC3 Sport is a multi-flight recording unit, allowing you to fly all day, without the need to stop and download data in between flights. The RRC3 Sport also provides a third, highly flexible and programmable 'Auxiliary' output which can provide staging, airstarts, backup events, and a host of o…