[time-nuts] Dual Frequency GPS receivers

[bg at lysator.liu.se]

Hi,

The "civilians" are also used by the timing laboratories. Both antennas
and receivers float by on the eRiver from time to time at very reasonable
prices. These are more often than Oncores available with a built in
(tight) PLL letting you lock the local GPS recevier clock to your freq
standard.

--
  Björn


> Hi
>
> Dual / tripple frequency comes in two basic flavors "civilian" and
> "military". The civilian gear is aimed at the survey market and usually
> incorporates stuff like carrier phase. You can indeed get better time out
> of an expensive carrier phase receiver and it's associated antenna (also
> expensive). On a dollars spend per fraction of a ns gained - probably not
> worth the money.
>
> Bob
>
> On Jun 4, 2010, at 6:13 AM, Martyn Smith wrote:
>
>> Hello,
>>
>> Is anyone using dual or triple frequency GPS receivers?
>>
>> Are there any advantages in relation to the quality of the 1 pps output?
>>
>> Best Regards
>> Martyn
>>
>>
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