.. _message-description-NAV-ORB:

NAV-ORB
-------

:name: NAV-ORB

:class: 0x01

:id: 0x34

:payload:

  #. `Empty`
  
  #. Fields(length=?)
       
         :iTOW:
           U4
       
         :version:
           U1
       
         :numSv:
           U1
       
         :reserved1:
           List
           
             - U1
           
             - U1
       
         :svs:
           KeyLoop(key="numSv"):
           
            Fields(length=6)
             
               :gnssId:
                 U1
             
               :svId:
                 U1
             
               :svFlag:
                 Bitfield(1)
                 
                   0:2: *health*
                 
                   2:4: *visibility*
             
               :eph:
                 Bitfield(1)
                 
                   0:5: *ephUsability*
                 
                   5:8: *ephSource*
             
               :alm:
                 Bitfield(1)
                 
                   0:5: *almUsability*
                 
                   5:8: *almSource*
             
               :otherOrb:
                 Bitfield(1)
                 
                   0:5: *anoAopUsability*
                 
                   5:8: *type*