[time-nuts] SE880 GPSDO

Ilia Platone info at iliaplatone.com
Tue Apr 26 16:31:06 EDT 2016


Errata..


Il 26/04/2016 22:24, Ilia Platone ha scritto:
> Hi Attila,
>
> This is a hobby project, by now, but if these devices can be versatile 
> and small, they could be used for a work project. till now, hobby and 
> open source.
> I am stuck at the timing issues. After finding a suitable stable 
> clock, on multiple and independent boards, for 8 hours, I'll begin 
> designing the software of these.
>
> I must print each photon event captured by an APD
...each telescope will have an avalanche photodiode ( plus amp )...
> at the focus of more telescopes, these events must be timestamped with 
> an accuracy of 2.5ns, and the expected rate is lower than 10MHz, The 
> overall capture runs will take about 4-5 hours, it depends on the 
> object observed, after capturing I must compare the timestamps logs 
> each other to find if are there common events/timestamps in the 
> various fluxes. I need a stable clock to reduce the software needs, 
> for example if the automated captures of each device ends withinone 
> second each other I think it would be too much, but I am thinking I 
> must be more flexible in the software side.
>
> Regards,
> Ilia.
>
> Il 26/04/2016 14:40, Attila Kinali ha scritto:
>> Ciao Ilia,
>>
>> On Tue, 26 Apr 2016 02:24:04 +0200
>> Ilia Platone<info at iliaplatone.com>  wrote:
>>
>>> Just for informations, as I must build the board from scratch, does this
>>> design is good to implement into the datalogger?
>>> I mean, for the second RTK purpose, does this u-blox module satisfy my
>>> requirements (link below)?
>>> http://www.opendigitalradio.org/lea-m8f-gpsdo
>> I cannot say. I don't know what your requirements are and thus
>> cannot say what a good design choice is.
>>
>> Yes, the LEA-M8F does support the output of satellite phase data.
>> Yes you can use that for RTK. BTW: this is stated in the documentation
>> for the module. You just need to read it.
>>
>> BTW2: is this a hobby project or is this a work project?
>>
>> 			Attila Kinali
>>
>
> -- 
> Ilia Platone
> via Ferrara 54
> 47841
> Cattolica (RN), Italy
> Cell +39 349 1075999

-- 
Ilia Platone
via Ferrara 54
47841
Cattolica (RN), Italy
Cell +39 349 1075999



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