[time-nuts] New GNSS chipsets

[Bob kb8tq]

Hi

Ahhhh….. but ….. 

The uBlox parts are available with the existing chip sets pretty easily today.
That has not always been the case with uBlox. Back when the chips were
new / unique / hard to support it was significantly more difficult to get anything
out of them (at least at a rational price). 

Broadcom …. yikes … I’ve sat in around in meetings where giant telecom 
companies can’t get adequate information on chips they are using from 
those guys. Even simple stuff like “what does this register do”. Three years
later back comes “the XXX register must be set this way for the chip not to
lock up intermittently” …. gee … maybe it wasn’t Bob’s fault :)

It *is* a big bet so I can’t say any of this with certainty. It’s simply my guess 
that on something this complex, we are back to the way things worked a 
decade or two ago. 

Bob

> On Apr 1, 2018, at 8:06 PM, Joseph Gray <jgray at zianet.com> wrote:
> 
> Bob,
> 
> If it was a glass of good bourbon, I'd take you up on that offer :-)
> 
> The Broadcom chipsets are touted as being specifically for phones. Whether
> we'll be able to buy stand alone modules, I don't know. The uBlox chipsets
> have in that past been widely available at rational prices. Hopefully the
> new "9" series will be, also. As for the ST Micro, I haven't a clue, but
> considering how their microcontrollers are so widely available from China,
> who knows what will happen.
> 
> Joe Gray
> W5JG
> 
> 
> On Sun, Apr 1, 2018 at 9:37 PM, Bob kb8tq <kb8tq at n1k.org> wrote:
> 
>> Hi
>> 
>> I’d bet a warm glass of beer  ( pick up only, no free delivery ) that you
>> will not see them in user level
>> modules ( = something you can fire up)  at a rational price ( < $500)  for
>> quite a while ( = years …).
>> The target market is integration in self driving / autonomous vehicles. If
>> you are GM or Toyota,
>> they will gladly support you. For the rest of us …. go to the back of the
>> line ….. That’s been the pattern
>> on this stuff like this for quite a while.
>> 
>> Bob
>> 
>>> On Apr 1, 2018, at 1:04 PM, Joseph Gray <jgray at zianet.com> wrote:
>>> 
>>> Magnus,
>>> 
>>> When I can buy one of these new, multi-frequency receivers, I'll remember
>>> to thank you :-) I wonder if any of the three will be available this
>> year.
>>> The Broadcom chipset in phones will be nice, but I'd also like a
>> standalone
>>> module from anyone. More fun stuff to play with.
>>> 
>>> Joe Gray
>>> W5JG
>>> 
>>> 
>>> On Sun, Apr 1, 2018 at 3:15 AM, Magnus Danielson <
>> magnus at rubidium.dyndns.org
>>>> wrote:
>>> 
>>>> Hi Joe,
>>>> 
>>>> On 03/31/2018 01:16 PM, Joseph Gray wrote:
>>>>> I've been reading announcements by Broadcom, uBlox and ST Micro for new
>>>>> chipsets that will use L1, L2, L5 to provide significantly more precise
>>>>> positioning for every day applications like cell phone, autonomous
>>>>> vehicles, UAV, etc. Broadcom is claiming 30 cm, uBlox just says
>>>> "centimeter
>>>>> level". The next few years ought to be very interesting, as these
>>>> chipsets
>>>>> become available in consumer products.
>>>> 
>>>> I have advocated for receivers able to handle multiple frequencies and
>>>> multiple GNSS for some time, sneaking it into documents, so there should
>>>> be some preparations for this now.
>>>> 
>>>> The benefit is naturally redundancy, but also higher precision.
>>>> 
>>>> Natural I would enjoy cheap multi-frequency receivers myself, but I
>>>> would never admit that this would be a reason for advocating it. ;-)
>>>> 
>>>> Cheers,
>>>> Magnus
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