[time-nuts] Trimble Resolution T versus Motorola Oncore UT+

Bob Camp lists at rtty.us
Sun May 12 19:33:33 EDT 2013


Hi

They have been through a number of re-do's since the original Motorola designs. I suspect they will keep making software compatible parts as long as people keep buying enough of them for it to make sense. I'm sure that at some point the tooling cost will indeed exceed the expected revenue. Without a look at their books, no idea how long that will be….

Bob

On May 12, 2013, at 7:02 PM, Magnus Danielson <magnus at rubidium.dyndns.org> wrote:

> On 13/05/13 00:13, Bob Camp wrote:
>> Hi
>> 
>> Is the M12 going away or they just going through (another) parts change?
> 
> You are correct. I read it sloppy, but I did recall that there was something going on (easy to check by just reading the link I did provide - so brown paper bag on my head this time).
> 
> Regardless, one has to be a bit careful in expected lifetime.
> 
> Cheers,
> Magnus
> 
>> 
>> Bob
>> 
>> On May 12, 2013, at 5:15 PM, Magnus Danielson<magnus at rubidium.dyndns.org>  wrote:
>> 
>>> Hi Bert,
>>> 
>>> On 12/05/13 22:31, EWKehren at aol.com wrote:
>>>> With the availability of Motorola Oncore products and the Synergy pin
>>>> compatible it would make sense that some one does a board design that allows
>>>> plug in and saw tooth correction. We use a  14 pin PIC and a DS 1023 with
>>>> good results. Should also add a survey command. With the increasing cost of
>>>> Tbolts this is a nice alternative. The latest Shera makes it a nice GPSDO for
>>>> OCXO's and Rb's. The list price for a DS 1023 is just at $ 19 (lot of
>>>> silicon)  but if some one does a group buy if the interest is there a $ 25 kit
>>>> price would  be attainable. Right now I found a source $ 10 plus shipping I
>>>> paid just over $  6, three month ago. using one of these in a Rb application
>>>> because of the  long filter time may not even need saw tooth
>>> 
>>> If it where that simple.
>>> 
>>> Regarding availability of the iLotus M12M see this on Synergy:
>>> 
>>> http://www.synergy-gps.com/index.php?option=com_content&task=view&id=104&Itemid=138
>>> 
>>> Availability: Get it while you can, it's going away.
>>> 
>>> It looks like you will have to consider using LEA6T or something like that soon enough.
>>> 
>>> I like the "openness" of the Motorola and Novatel receivers. Which modern receivers provide the same level of openness into states and details?
>>> 
>>> Oh, we should make sure to backup documentation on the Oncores. The early ones is already fuzzy.
>>> 
>>> Cheers,
>>> Magnus
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