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.
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 <i...@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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