The seven-minute video explains in simple terms how important GPS has become to everyday life — for aircraft and ship navigation, global financial transactions, precision agriculture, weather forecasting, disaster relief, and, of course, smartphones.

The recent testing of GPS III space vehicle 1 (SV 1) bus — the portion of the space vehicle that carries mission payloads and hosts them in orbit — assured that all bus subsystems are functioning normally and ready for final integration with the satellite’s navigation payload. Systems tested included: guidance, navigation and control; command and data handling; on-board computer and flight software; environmental controls; and electrical power regulation. The SV 1 satellite’s network communication equipment subsystem that interfaces with the ground control segment and distributes data throughout the space vehicle also passed all tests as expected.

This milestone follows February’s successful initial power-on of SV 1, which demonstrated the electrical-mechanical integration, validated the satellite’s interfaces, and led the way for functional and hardware-software integration testing.

“The successful completion of the SV 1 bus functional check out validates that the spacecraft is now ready to begin the next sequence of payload integration and environmental testing, prior to delivery,” explained Keoki Jackson, vice president of Lockheed Martin’s Navigation Systems mission area.

GPS III SV 1′s navigation payload, which is being produced by ITT Exelis, will be delivered to Lockheed Martin’s GPS Processing Facility (GPF) near Denver later in 2013. The hosted nuclear detection system payload has already been delivered and mechanically integrated. The satellite remains on schedule for flight-ready delivery to the U.S. Air Force in 2014.

GPS III is a critically important program for the Air Force, affordably replacing aging GPS satellites in orbit, while improving capability to meet the evolving demands of military, commercial and civilian users. GPS III satellites will deliver three times better accuracy and — to outpace growing global threats that could disrupt GPS service — up to eight times improved anti-jamming signal power for additional resiliency. The GPS III will also include enhancements adding to the spacecraft’s design life and a new civil signal designed to be interoperable with international global navigation satellite systems.

The U.S. Air Force has produced a video about the GPS satellite modernization program:

Lockheed Martin is under contract for production of the first four GPS III satellites (SV 1-4), and has received advanced procurement funding for long-lead components for the fifth, sixth, seventh and eighth satellites (SV 5-8).

The GPS III team is led by the Global Positioning Systems Directorate at the U.S. Air Force Space and Missile Systems Center. Lockheed Martin is the GPS III prime contractor with teammates ITT Exelis, General Dynamics, Infinity Systems Engineering, Honeywell, ATK and other subcontractors. Air Force Space Command’s 2nd Space Operations Squadron (2SOPS), based at Schriever Air Force Base, Colo., manages and operates the GPS constellation for both civil and military users.

Headquartered in Bethesda, Maryland, Lockheed Martin is a global security and aerospace company that employs about 118,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration, and sustainment of advanced technology systems, products, and services. The corporation’s net sales for 2012 were $47.2 billion.

The NexNav Circuit Card Assembly (CCA) will integrate with FreeFlight’s upgraded automatic dependent surveillance-broadcast (ADS-B) avionics to fulfill the requirements of the second phase of the FAA Capstone Project.

“This is an excellent example of how we are working closely with FreeFlight Systems to create state-of-the-art NextGen solutions that are not only meeting upcoming mandate requirements but doing it in a cost effective manner,” stated Hal Adams, Chief Operating Officer for Accord Technology, LLC.

The Accord Technology NexNav product line revolves around two key receivers, NexNav mini and NexNav MAX. The receivers are at the heart of embedded customer solutions whether as a Circuit Card Assembly (CCA) or embedded in the Line Replacement Unit (LRU) as a stand-alone GPS solution.

NexNav mini was the industry’s first GPS receiver and sensor qualified to fully support the known worldwide and U.S. FAA ADS-B GPS source requirements The NexNav mini and MAX are compatible with EGNOS and other Satellite Based Augmentation Systems (SBAS) to the extent they are is compatible with WAAS.

Update: The launch window for the liftoff has been adjusted slightly to  21:38-21:56 UTC.

The United Launch Alliance (ULA) Atlas 5 rocket’s rollout to the pad  took place Tuesday. Weather forecasters have predicted an 80
percent chance of favorable conditions for launch.

Updates on the mission and live video coverage of the launch is available.

Live video will also be available here and on this satellite feed (for those of you still with backyard dishes): SES 2, Transp. 21, C-band, 87° West

ULA is also posting to Facebook and tweeting to Twitter at twitter.com/ulalaunch; look for the #GPSIIF-4 hashtag.

The next GPS satellite launch is scheduled for May 15 with the launch window extending from 21:39 to 21:58 UTC. An Atlas 5 rocket will be used to place the satellite, GPS IIF-4, into orbit from Cape Canaveral Air Force Station.

This is the first time in almost 28 years that an Atlas rocket will be used to launch a GPS satellite. All of the prototype or Block I satellites were orbited with Atlas rockets. Since then, Delta rockets have been used exclusively for GPS launches. The IIF satellites are being launched with a mixture of Atlas and Delta rockets.

The IIF-4 satellite, also known as SVN66, will operate as PRN27. SVN66/PRN27 will eventually occupy the C-2 slot, replacing SVN33/PRN03, a Block IIA satellite launched in 1996. Reportedly, SVN66/PRN27 will go through an extended period of testing following launch, and is not expected to be set healthy until August. SVN33 will become a reserve or backup satellite.

Ground Stations: ER = Eastern Range; BOSS = Call sign of New Hampshire Station, New Boston Air Force Station, New Hampshire; LION = call sign of Telemetry & Command Station, Royal Air Force Oakhanger, Hampshire, U.K.; Diego Garcia = Diego Garcia Station (call sign REEF), British Indian Ocean Territory; Guam = Guam Tracking Station (call sign GUAM), Dededo, Guam.
TDRS: Tracking and Data Relay Satellite
MES1: Centaur first main engine start
MECO1: Centaur first main engine cutoff
MES2: Centaur second main engine start
MECO2: Centaur second main engine cutoff
At spacecraft separation, the GPS satellite’s orbit will be circular with a height of 11,047 nautical miles or 20,459 kilometers and an inclination of 55 degrees.

(Courtesy of SpaceFlight Now) This is the 45th Launch Support Squadron crew patch for the GPS 2F-4 mission, which is Boeing’s Space Vehicle (SV) #5. Each SV is a named for a navigation star and its constellation. SV-5 is named Vega, with constellation Lyra. On the patch, they are the large star and constellation in the background of space. The United Launch Alliance Atlas 5 rocket is shown lifting the satellite from the Eastern Launch Site at Cape Canaveral Air Force Station. The Squadron mascot is a gator, and a lyra is a Greek harp. SSgt Thomas Hogan drew a “Toga-Gator” and Lt Ken Stuart did the patch design.

Applanix AP50 GNSS-inertial system.

The Applanix AP50 GNSS-inertial system is a GNSS-inertial sensor plus inertial measurement unit (IMU) in a compact form factor. It features a high-performance precision GNSS receiver and the Applanix IN-Fusion GNSS-inertial integration technology running on a powerful, dedicated inertial engine (IE) board.

Riegl’s VQ-820-G airborne laser scanner.

On board an unmanned aerial vehicle (UAV), the system is capable of penetrating areas that may be too dangerous for piloted aircraft or ground patrols. This can provide additional safety and security for its users.

“We really appreciate the professional and amicable cooperation with Applanix, which allows us to offer user-friendly and powerful, fully integrated solutions for dynamic data acquisition to the marketplace,” said Jürgen Nussbaum, Riegl director of international sales.

In addition, Applanix will be a Gold sponsor at Riegl LIDAR 2013, Riegl’s international user conference taking place in Vienna, Austria, June 25-27.

Unmanned Innovation’s os-Series Autopilots, made commercially available for the first time in November 2012, combine modular hardware with an open architecture, making each autopilot a development platform.

The os-Series Autopilots are offered in multiple form factors with features tailored for various vehicles, payloads, and applications. Each os-Series Autopilot is a complete integrated solution and contains an INS/GPS with air data incorporating the VectorNav VN-100, a datalink radio, payload interfaces, and a Linux computer within one miniature package, starting at 32 grams. The os-Series Autopilots come with professionally written flight control and mission software that Unmanned Innovation provides under a royalty-free license that allows for easy modification, extension, and inclusion in proprietary products.

The partnership between the two companies began during AUVSI’s Unmanned Systems North America 2012 conference in August, where Unmanned Innovation was introduced to VectorNav’s VN-100 and recognized it as an attractive alternative to its existing inertial measurement sensors due to its small form factor, low-cost, and high-precision calibration. Unmanned Innovation’s flexible architecture allowed for quick integration of the VN-100 and VectorNav provided custom firmware with a faster update rate to make the IMU compatible with Unmanned Innovation’s requirements.

The VN-100 IMU, calibrated for bias, scale factor and misalignment errors at room temperature or over the entire thermal operating range of the sensor increased the accuracy of the os-Series Autopilot navigation solution. After a short development cycle, testing and verification, VectorNav’s VN-100 IMUs are now fully integrated within Unmanned Innovation’s os-Series Autopilots. The complete os-Series product line is shipping to customers in the USA and abroad and is free of ITAR restrictions.

“We are very pleased to be working with Unmanned Innovation on their os-Series Autopilot, which we find to be a very unique and high-value product that fills a significant gap in this market,” said John Brashear, VectorNav’s president. ”We hope that the VN-100 adds to this value by allowing Unmanned Innovation to focus on its strengths improving the os-Series while securing a long-term, dependable sensing solution and partnership with our company.”

The Garmin GTN series features intuitive touchscreen controls and a large-screen display that give Learjet pilots unprecedented access to high-resolution mapping, graphical flight planning, and geo-referenced charting, among many other features. The installation also features new GPS roll-steering that allows seamless navigation operations with turn anticipation and waypoint sequencing interfaced to the autopilot.

“This approval offers a significant and economical avionics upgrade for the Lear 30 series airplanes,” said Clark Stewart, president and CEO of Butler. “The STC for the new Garmin GTN series allows us to tap into a sizeable upgrade market for retrofit of flight management systems. The Garmin GTN upgrade provides significant functionality upgrades, including WAAS GPS approaches and roll-steering interface to the autopilot.”

“We have designed the installation to provide cost-effective options to meet the various Learjet operator requirements. We will be offering the GTN Learjet installations through our avionics facility Kings Avionics starting under $100,000,” commented Craig Stewart, Aerospace division president.

Butler National Corporation operates in the Aerospace and Services business segments. The Aerospace segment focuses on the manufacturing of support systems for commercial and military aircraft including the Butler National TSD for the Boeing 737 and 747 Classic aircraft, switching equipment for Boeing McDonnell Douglas Aircraft, weapon control systems for Boeing Helicopter, and performance enhancement structural modifications for Learjet, Cessna, Dassault, and Beechcraft business aircraft.

Today at Intergeo, NovAtel Inc., NovAtel announced the addition of a new commercially exportable single-enclosure SPAN MEMS receiver to its line of SPAN GNSS/INS products. Available in the first quarter of 2013, the low-power, lightweight SPAN MEMS enclosure incorporates a diminutive Micro Electromechanical Systems (MEMS) Inertial Measurement Unit (IMU) and a NovAtel high-precision OEM615 GNSS/INS SPAN receiver to provide continuously available position, velocity and attitude (roll, pitch and yaw) in a small, single-unit form factor, the company announced.

“This product ensures we meet crucial price/performance and size/weight requirements for our customers,” Jason Hamilton, director of Marketing at NovAtel, said. He added, “By integrating this IMU with our powerful OEM6 GNSS/INS SPAN engine, which provides many advanced positioning options such as AdVance RTK, ALIGN heading technology and RAIM, we are able to offer a GNSS/INS solution for a wide range of applications.”

The lightweight SPAN MEMS enclosure provides a rugged housing for demanding applications. Serial and USB communication interfaces plus several I/O options support additional peripherals. An embedded wheel sensor interface is also available to enhance GNSS outage bridging capabilities. Tight coupling of the GNSS and inertial technologies enables continuous, robust positioning in difficult environments where satellite signals are unreliable or unavailable for short periods of time.

This product will be available as an integrated single-enclosure SPAN solution, enclosed standalone IMU for use with external SPAN-enabled receivers, and as an OEM component.

Shipments of the new receiver start Q1 2013 with OEM availability Q4 2012. A limited supply of enclosure evaluation units will be available in Q4 for integrators looking to get a head start on their projects.