GPS FAQ – Page 2 – Inventek Systems

How do I confirm my firmware revision on the GPS module?

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The GPS modules do not come marked with the Firmware version. You can poll the software using Sirf Binary for the ISM300fx modules and use OSP (one Socket Protocol) for the ISM4xx version of gps modules. If you want to run … Continue reading “How do I confirm my firmware revision on the GPS module?”

On the ISM300Fx how should I connect my antenna?

The RF in port on the ISM300 connects to the antenna (via the U.fl) or pad 1 and the input of the GPS. It is important to add the external LC circuit shown in the reference schematic on the specification because this will … Continue reading “On the ISM300Fx how should I connect my antenna?”

I need a 3 v or 5 v GPS module?

Use the ISM300f2-x family of GPS’s.

What application do you have to help troubleshoot the GPS design?

Ideally, if you can connect your PC to the UART for any of the ISM300x or ISM400x GPS modules you can run the Sirf Live. Sirf Live will show you all the satellites and C/no and allow you to send commands and … Continue reading “What application do you have to help troubleshoot the GPS design?”

Are your GPS modules ROHS?

Yes, all our modules are ROHS compliant.

Does the Sirf IV GPS modules have FCC/CE?

The FCC does not require that the GPS receiver has FCC or CE. We did perform FCC on the Sirf III for a specific customer request, however it is not required.

Does the ISM300x store Ephemeris data automatically?

Yes, if you use the battery back up feature and keep power alive the unit will store the data and provide warm starts. The ISM400x GPS do not require the battery back up.

Does your GPS support sub meter accuracy?

No, we do not support sub-meter accuracy.

How do you summarize acquisition sensitivity?

Acquisition sensitivity can be summarized in two conditions: ephemeris available from any source, or ephemeris must be obtained from the satellite data stream. For conditions where ephemeris is available, we can acquire a satellite down to about -155 dBm. When we must decode … Continue reading “How do you summarize acquisition sensitivity?”

How does your GPS output the 1 PPS?

For the ISM300x and ISM420 GPS, we output the 1 PPS as follows: The first output starts when we the GPS Kalman filter gets a stellite fix. Thereafter, the 1 PPS continues to be output until the receiver is reset. If we … Continue reading “How does your GPS output the 1 PPS?”

Eos Positioning Systems improves mapping and asset management January 22, 2025

Eos Positioning Systems has become a member of the Municipal Information Systems Association (MISA) Canada's National Partner Program (NPP). The post Eos Positioning Systems improves mapping and asset management first appeared on GPS World.

ANELLO Photonics secures US Navy contract for advanced navigation solutions January 22, 2025

ANELLO Photonics has received a Phase I Small Business Innovation Research (SBIR) contract from the U.S. Navy. The post ANELLO Photonics secures US Navy contract for advanced navigation solutions first appeared on GPS World.

Eos Positioning Systems improves mapping and asset management January 22, 2025

Jesse Khalil

ANELLO Photonics secures US Navy contract for advanced navigation solutions January 22, 2025

Jesse Khalil

First Fix: War, collaboration and elections January 21, 2025

Editor-in-Chief Matteo Luccio writes about how war, international collaboration and the periodic changes in national perspectives and priorities brought about by elections contribute as much as scientific and technical research to the prospects of GNSS. The post First Fix: War, collaboration and elections first appeared on GPS World.

Matteo Luccio

UK leading the West in PNT with clocks, eLoran and quantum research January 21, 2025

Saying the government must focus on “delivering an operational resilient positioning, navigation and timing (PNT) system for the United Kingdom as soon as we can,” the British Science Minister, Lord Patrick Vallance, announced several initiatives to the Royal Institute of Navigation’s UK PNT Leadership Seminar. The post UK leading the West in PNT with clocks, […]

Joey Ciccolini

Slingshot Aerospace advances GPS jamming detection for military intelligence and security January 21, 2025

Space Systems Command has awarded a $1.9 million contract to Slingshot Aerospace to enhance its GPS jamming and spoofing detection. The post Slingshot Aerospace advances GPS jamming detection for military intelligence and security first appeared on GPS World.

Jesse Khalil

CHCNAV unveils rotor UAV for precise aerial applications January 21, 2025

CHC Navigation has introduced the X500 rotor UAV, designed for precision aerial operations. The post CHCNAV unveils rotor UAV for precise aerial applications first appeared on GPS World.

Jesse Khalil

Mapbox, Hyundai AutoEver unveil AI-driven 3D navigation system January 20, 2025

Mapbox and Hyundai AutoEver have developed an integrated AI-driven 3D navigation system with advanced driver-assistance capabilities. The post Mapbox, Hyundai AutoEver unveil AI-driven 3D navigation system first appeared on GPS World.

Jesse Khalil