[ntp:questions] IEEE 1588 (PTP) at the nanosecond level?

Magnus Danielson magnus at rubidium.dyndns.org
Thu Mar 20 20:27:39 UTC 2014

On 19/03/14 18:51, E-Mail Sent to this address will be added to the 
BlackLists wrote:
> Martin Burnicki wrote:
>> Magnus Danielson wrote:
>>> Indeed. If you read the right article from 1990 you
>>>   also know you can do it on L1 C/A only by monitoring
>>>   both code and carrier phase, as their ionospheric
>>>   effect have opposite signs.
>> That's interesting, and I didn't know about this.
>> Do you have a pointer to this article?
> <http://www.navipedia.net/index.php/Code-Carrier_Divergence_Effect>
> <http://www.dtic.mil/cgi-bin/GetTRDoc?AD=ADA497270>

There ya' go! It was the Robert Giffard article I was refering to, but 
was too tired to dig up at the time.

> <http://www.academia.edu/457163/Ionosphere_Effect_Mitigation_for_Single-frequency_Precise_Point_Positioning>
> <http://www.ngs.noaa.gov/PUBS_LIB/GPSCarrierPhase.pdf>

Haven't see those two, so I will see if they add something new.


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