Extremely inexpensive gps modules

Paul Theodoropoulos paul at anastrophe.com
Thu Aug 16 19:07:18 UTC 2018

On 8/16/18 11:55, Gary E. Miller wrote:
> Yo Paul!
> On Thu, 16 Aug 2018 11:26:39 -0700
> Paul Theodoropoulos <paul at anastrophe.com> wrote:
>> Followup. Much probing in uCenter, no configuration will 'take' - set
>> stationary mode, survey-in, blah blah - all lost at the next
>> powercycle, no evidence that almanac/ephemeris data is saved, so it's
>> a fifteen minute slog at each startup. Blech.
> What the u-blox will save is very model dependent.  Did you save
> using the UBX-CFG-CFG message to save your config?
I need to spend more quality-time with the board and uCenter. With 
hundreds of configs and subconfigs, it kind of turned into a haze before 
my eyes. I did not do this with any rigor, mainly poking and prodding. 
So it's probably worth investigating more deeply.

I did convince the ebay vendor to refund $5 of the $13 it cost, for 
selling counterfeits. What a deal! Too bad ebay has utterly no interest 
in cracking down on this sort of thing though.
>> Was getting pretty poor performance in the original build on the Pi
>> Zero W, so switched the board to an existing RPI 3B+, dramatic
>> improvement:
> Wow.  Nice comparison.  Thanks.
Yeah, I was expecting an incremental improvement, nothing like that. 
Glad I had the 3B+ handy to test with, otherwise I'd probably have just 
thrown out the module.

Paul Theodoropoulos

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