The Discovery Channel’s Gold Rush Yukon aired its Season 5 Special on February 27, 2015. The program featured work conducted by GroundTruth Exploration in the Yukon using UltraGPR technology to map bedrock profiles over rough terrain atop gold-bearing paleochannels. The entire show can be viewed here: https://www.youtube.com/watch?v=IYGaZXOGpqM
UltraGPR is discussed starting at 9:29 (http://www.youtube.com/watch?v=IYGaZXOGpqM&t=9m28s).