HedgeTrimmer
First Officer
United States
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Tornado12 Posted at 5-9 08:19
The problem with your theory as presented here is that if hardware was failing in this way, it would most certainly present with much more severe side effects. The biggest problem with all of the GPS issue discussions is that they have largely been driven by ignorant voices. People who know little or nothing about electronics and micro solder IC's and the like.
The most likely culprit of the GPS slow acquisition is still, based on all evidence that has come to light, software / configuration. While it is possible for IC's to come out of manufacturing and be bad, it is extremely rare. The type of GPS modules used in the Mavic 3 are incredibly abundant in the market. They are in everything from handheld devices, to drones, to vehicles and marine devices. This isn't like a brand new Intel CPU that is fresh out of engineering or something. These IC's are also not all that complex. So this is a known, long standing design, its a very simple design, and it has large market saturation. All that said, it doesn't rule out hardware malfunction, as I've always said, but it certainly makes it much much less likely, and the fact that we still have no evidence of hardware issues that has come to light.
You are confusing bad batch or bad run of ICs or modules with an engineering design defect of ICs or modules. A bad batch or bad run of ICs can (has, and does) happen with perfectly well engineered ICs or modules.
To my thinking, a software problem or configuration problem is less likely. For a few reasons you laid out against it being hardware.
DJI has plenty of experience with GPS module (chip set) being used. Even if problem was due to DJI introducing use of all of different GPS satellite systems, once DJI realized there was a software problem with introduction; DJI could have fallen back to known / proven GPS module code. Possibly adding a user software switch: Old-n-Fast Lock code or New-n-Slow Lock code.
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