- March, 2010: Geodetics awarded a firm-fixed-price contract for real-time enhanced network global positioning systems units. Work is to be performed in San Diego with an estimated completion date of Aug. 21, 2012. U.S. Army Test & Evaluation Command, Mission Support Contracting Activity, Fort Hood, Texas, is the contracting activity (W9115U-08-D-0001).
- August, 2009: Long Beach Gas and Oil Department awards contract to provide Real-Time Network software and services.
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High Accuracy TSPI for Dynamic Platforms
A test program was sponsored by the Office of the Secretary of Defense, to assess the performance in real time of EBE technology on realistic Advanced Range Data System (ARDS) maneuvers.
The RTD (“Real Time Dynamics”) software package with Epoch-by-Epoch® (EBE) positioning was tested using four high-dynamic simulations based on realistic ARDS maneuvers developed as part of the TSPI study. An omni-directional antenna simulation was utilized for each of the maneuvers. The maneuvers and antenna model were programmed into the Guided Weapons Evaluation Facility (GWEF) satellite simulator.
The NovAtel OEM4 was selected as the test receiver. For three maneuvers, reference data were collected from both a near and far reference receiver. The near reference receiver was located at distances of less than 10 km The RTD software package was tested using four high-dynamic simulations based on realistic ARDS maneuvers developed as part of the TSPI study.
The test configuration is illustrated below:
Three high-dynamics test scenarios were run On the GWEF simulator at Eglin AFB:
Split S – Cuban 8 – Split S
Post Hole
9g Turns
The flight path and dynamics profile for the Split-S – Cuban 8 – Split S scenario
The horizontal and vertical plots for the Post Hole near scenario are shown in the figures below:
The horizontal and vertical plots for the Post Hole far scenario are shown in the figures below:
Real-time accuracies (1 standard deviation):
| Baseline up to 10km: | ||
| Horizontal | 0.18-7.10 cm | |
| Veritcal | 1.10-21.0 cm | |
| Baseline up to 96km: | ||
| Horizontal | 6.10-12.80 cm | |
| Veritcal | 6.00-29.40 cm | |
