[time-nuts] FYI: Galileo satellite recovered and transmitting navigation signals

Magnus Danielson magnus at rubidium.dyndns.org
Sat Dec 6 09:56:39 EST 2014


You can use them as additional nav birds too.

Cheers,
Magnus

On 12/06/2014 03:09 PM, Bob Camp wrote:
> Hi
>
>> On Dec 6, 2014, at 8:47 AM, Magnus Danielson <magnus at rubidium.dyndns.org> wrote:
>>
>> Recall that beyond GPS, GLONASS, GALILEO and Big Dipper (COMPASS) you also have WAAS/EGNOS and other SBAS (Satellite Based Augmentation Systems).
>>
>> If you open up all of them, there is a lot of signals in the air.
>> Also, GPS L2C and L5 signals is already there.
>
> …. and when you add all the corrections on top of the “base” signals, coordinating just gets more messy.
>
> Bob
>
>>
>> Cheers,
>> Magnus
>>
>> On 12/06/2014 01:16 AM, lincoln wrote:
>>> Hello,
>>> 	One vendor we starts nimea strings with BD and GN instead of GP ie $GPGGA,blab, blab becomes $BDGGA,blab and $GNGGA,blab
>>>
>>> If all systems are selected and the receiver has enough of each system you can have up to three $*GGA messages per update.
>>>
>>> Link
>>> On Dec 5, 2014, at 3:32 PM, Iain Young <iain at g7iii.net> wrote:
>>>
>>>> On 05/12/14 22:40, Bob Camp wrote:
>>>>
>>>>> Typically they let you selectively enable each of the major systems. As you enable more systems, you get more sat’s in each of the messages. For most users, there is not a lot of reason to enable multiple systems. If you want UTC sync’d to USNO you enable one system. If you want to set your watch to time from Moscow, you enable another system …. Setting your watch to both is impractical.
>>>>
>>>> Time-nuts will buy multiple, enable one major system on each, and
>>>> compare, and draw ADEV plots!
>>>>
>>>>
>>>> Iain
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