When: May 29-30, 2013
Where: Memphis, Tennessee
Proposed Conference Facility:
Doubletree Hotel Memphis Downtown (subject to verification)
185 Union Avenue
Memphis, Tennessee 38103
The National Geodetic Survey (NGS) welcomes real-time GNSS vendors, RTN operators, managers and users to Memphis, Tennessee on May 28-29, 2013 to examine how local GNSS augmentations interact with each other, with NGS, with the National Spatial Reference System (NSRS) and with users, vendors and operators.
There are currently more than 100 GNSS Real Time Networks (RTNs) operating in the United States. These RTNs provide a valuable service and include a variety of operational formats, procedures and techniques. Situated between the Continuously Operating Reference Stations (CORS) and the local practitioner, RTNs offer significant cost-effective positioning for a wide variety of users. Due to their cost-saving potential, they are becoming the primary control basis for many local projects and applications.
The Real Time GNSS Network Symposium will include invited and contributed presentations from federal and state agencies, RTN operators and RTN users. However, the emphasis will be on panel and interactive discussions among attendees and representatives from NGS.
Symposium topics in Panels and Presentations may include:
RTN Operations: Operator’s Perspective
Reference Frame, Coordinate Basis, Reliability, Spacing, Communications, NTRIP
RTN Operations: User’s Perspective
Precisions/Accuracies, Criteria for Data Collection, Redundancy, Multipath, Localizing to Passive Marks
Surveying/Engineering, Machine Guidance, Precision Agriculture, GIS, Scientific/Academic
The Federal Role in Support of RTNs
Using NSRS Updates in RTN, Streaming Near RT CORS Data from Federal CORS, NGS Guidelines For RTN Adherence to NSRS: Obtaining Coordinates for RTN Stations, NGS Tools for RTNs
If you plan to attend this important Symposium in May, please contact Bill Henning: firstname.lastname@example.org 301-713-3196, ext. 111
Symposium registration is free and the draft agenda can be found below.
A registration page will be set up soon – details to follow.
Conference hotel is awaiting final administrative approval, but the symposium will be held in Memphis on the given dates.
Reservations for rooms should be made directly with your hotel of choice.
National Symposium for Real Time GNSS Networks
There are currently over 100 GNSS Real Time Networks (RTN) operating in the United States. These RTN provide a valuable service and include a variety of operational formats, procedures and techniques. Sitting between the CORS and the local practitioner, they offer significant cost effective positioning for a wide variety of users. Because of this, they are becoming the primary control basis for local projects and applications. The National Geodetic Survey (NGS) is inviting representatives from these networks to a two-day symposium to discuss various issues of mutual concern.
The Symposium will include invited and contributed short presentations from federal agencies, RTN operators, and RTN users, followed by panel discussions. Please see the following draft agenda for some possible discussion topics:
Day 1 – Operating & Using RTN
• Registration/coffee [7:30 – 8:00]
• Welcome & Introduction [8:00 – 8:15]
• Updates to the NSRS Affecting RTN [8:15 – 9:00] – 2 speakers
o Readjustments of NAD 83- NAD 83(2011)
o New hybrid geoid models – geoid 12a
o New datums in 2022 – geometrical/geopotential
• RTN Operations – Operator’s Perspective [9:00 – 10:00] – 3 speakers
o Reference frame- coordinate basis, epoch
o Reliability – empirical field results, site requirements
o Important planning-Reference station density, software, comms
o User base – formats, number, applications
o Use of RTCM 3.x and NTRIP – message types, interoperability
• Break [10:00 – 10:30]
• RTN Operations – User’s Perspective [10:30 – 11:15] – 2 speakers
o Precisions/Accuracies- criteria for data collection
o Reliability – necessary redundancy, multipath
o Procedures – localizing to passive marks, MAC vs. VRS
o Interoperability of RTNs – equipment
o Importance of RTCM 3.x at the rover
• RTN Applications [11:15 – 12:00] – 2 speakers
o Machine guidance
o Precision Agriculture
• Lunch [12:00 – 13:30]
• Panel Discussion of the day’s topics with the attendees [13:45 – 17:00]
Day 2-The Federal Role in support of RTN
• Coffee [7:30 – 8:00]
• Recap of salient points from Day 1, Intro Day 2 [8:00 – 8:30]
• Provide streaming near RT CORS data [8:30 – 9:15] – 2 speakers
o The need- federal users, IGS, NSF recommendations, public, private
o Legality – Precedents, NGS mission, strategic plan
o How – current set up, future foundation CORS
o Decisions- public/private/federal only?
• NGS Guidelines for RTNs [8:30 – 9:15] – 2 speakers
o NGS goals for RTN
o Adherence to NSRS – how, why
o Obtaining coordinates for RTN stations- OPUS-Projects – RTN station, Reference stations in NSRS – CORS weighting in RTN adjustments adjustment
o Validation of precision/accuracy- measurable criteria, NGS tools
o Basic Information for users/administrators- what more is needed in the draft?
• NGS Tools for RTNs [9:15 – 10:00] – 2 speakers
o Geoid models ˜ 2022 = 2 cm ortho accuracy to a project site
o On line tool for NSRS validation by RTN operators
o Archive history of reference station positions?
• Break [10:00 – 10:30]
• Panel Discussion of the day’s topics with the attendees [10:30 – 12:00]
• Lunch [12:00 – 13:30]
• Panel Discussion of both day’s topics with the attendees [13:30 – 16:00]
• Symposium Summary- actions forward [16:00 – 16:45]