Galileo Hits the Spot: Testing GNSS Dual Frequency with Smartphones - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design
Trimble TDC600
Geometer International LLC Handheld GNSS receiver Walker RTK | Geo-matching.com
PDF] Urban Positioning on a Smartphone: Real-time Shadow Matching Using GNSS and 3D City Models | Semantic Scholar