.. _message-description-RXM-SVSI:

RXM-SVSI
--------

:name: RXM-SVSI

:class: 0x02

:id: 0x20

:payload:

  #. `Empty`
  
  #. Fields(length=?)
       
         :iTOW:
           U4
       
         :week:
           I2
       
         :numVis:
           U1
       
         :numSV:
           U1
       
         :svs:
           KeyLoop(key="numSV"):
           
            Fields(length=6)
             
               :svid:
                 U1
             
               :svFlag:
                 Bitfield(1)
                 
                   0:4: *ura*
                 
                   4: *healthy*
                 
                   5: *ephVal*
                 
                   6: *almVal*
                 
                   7: *notAvail*
             
               :azim:
                 I2
             
               :elev:
                 I1
             
               :age:
                 Bitfield(1)
                 
                   0:4: *almAge*
                 
                   4:8: *ephAge*