Evaluation of a Low Cost Hand Held Unit with GNSS Raw Data Capability and Comparison with an Android Smartphone. - Gérard Lachapelle; Paul Gratton; Jamie Horrelt; Erica Lemieux; Ali Broumandan (Sensors, 2018)

Kinematic Zenith Tropospheric Delay Estimation with GNSS PPP in Mountainous Areas. - Paul Gratton; Simon Banville; Gérard Lachapelle; Kyle O'Keefe (Sensors, 2021)