GPS FAQ – Page 3 – Inventek Systems

What voltage does the ISM420 and ISM480 support?

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The ISM420 and ISM480 require 1.8V to run. The I/O inputs are 3.3v tolerant, however the I/O output is only at 1.8v. If you micor does not support 1.8V you will need a translator chip.

How do you connect to the ISM480?

The ISM480 has an Ipex 12 pin connector header and you need to put the same mating connector on your board and connect via a flex ribbon cable. Inventek supplies a two length ribbon cables and the Ipex connectors on the … Continue reading “How do you connect to the ISM480?”

Can the GPS be flashed in System?

Yes, the ISM300x and the ISM480x family of GPS can be flashed in system. You need to control the flash enable pin and you can upgrade teh flash through the UART.

What information is available to indicate the degree of accuracy of the GPS data at any given time?

What information is available to indicate the degree of accuracy of the GPS data at any given time? What is the criteria used to establish HDOP, is it only related to satellite location and signal strength? We provide HDOP and … Continue reading “What information is available to indicate the degree of accuracy of the GPS data at any given time?”

What does the GPS firmware do with the acceleration / speed at high altitude build for us to 135k feet?

The high-altitude change was simply setting the upper limits on a solution from the Kalman filter. It had no effect on how we report altitude or speed or how we handle acceleration. Therefore, with such a build we still make … Continue reading “What does the GPS firmware do with the acceleration / speed at high altitude build for us to 135k feet?”

How do I choose the best GPS for my application?

The newest GPS technology we have today is the SiRF IV GPS modules and we offer two products, the ISM420 and the ISM480. The ISM420 is a ROM based solution with no antenna attached, while the ISM480 is a Flash … Continue reading “How do I choose the best GPS for my application?”

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The Air Force Research Laboratory selected Zephr.xyz to receive a $1.74 million Small Business Innovation Research Direct-to-Phase II contract. The post Zephr.xyz to enhance GNSS resilience for US military operations first appeared on GPS World.

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Thank you for registering February 20, 2025

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Topcon Positioning Systems has become an authorized distributor of Pix4D’s photogrammetry software portfolio. The post Topcon and Pix4D advance photogrammetry solutions first appeared on GPS World.

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UAS updates: Advancements in integration, new UAV approvals and more February 19, 2025

Tony Murfin highlights significant advancements in UAV integration into the National Airspace System (NAS) through Unmanned Traffic Management systems. The post UAS updates: Advancements in integration, new UAV approvals and more first appeared on GPS World.

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Eos Positioning Systems launches eco-friendly cases for Skadi GNSS receivers February 18, 2025

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