.. _message-description-NAV-DGPS:

NAV-DGPS
--------

:name: NAV-DGPS

:class: 0x01

:id: 0x31

:payload:

  #. `Empty`
  
  #. Fields(length=?)
       
         :iTOW:
           U4
       
         :age:
           I4
       
         :baseId:
           I2
       
         :baseHealth:
           I2
       
         :numCh:
           U1
       
         :status:
           U1
       
         :reserved1:
           List
           
             - U1
           
             - U1
       
         :chs:
           KeyLoop(key="numCh"):
           
            Fields(length=12)
             
               :svid:
                 U1
             
               :flags:
                 Bitfield(1)
                 
                   0:4: *channel*
                 
                   4: *dgpsUsed*
             
               :ageC:
                 U2
             
               :prc:
                 R4
             
               :prrc:
                 R4