CSDS RTN VRS Subsurface Utility Locating – 1 Year Access reliable real-time GNSS corrections across the CSDS Real-Time Network with a 1 year CSDS RTN VRS subscription for Subsurface . Designed for  GNSS positioning for compatible utility locating and subsurface mapping workflows , the service delivers GNSS correction data directly to compatible field equipment over a cellular/IP connection, eliminating the need to establish and maintain a local GNSS base station. Key Benefits Real-time GNSS corrections provide accurate positioning for compatible [application] workflows. No local base station required, reducing equipment requirements and setup time in the field. Extensive Northern and Southern California network coverage supported by more than 60 reference stations. Simple Connect – Correct – Measure workflow lets crews begin collecting accurate positioning data quickly. Subscription Details Service: CSDS RTN VRS Subsurface Term: 1 Year Billing: Prepaid Delivery: Real-time GNSS corrections via cellular/IP connection