Elapsed time [s] Numeric value Description [NONE,NAK,PENDING,ACK] 0.000 3 ACK 21.032 2 PENDING 21.047 3 ACK 1734.765 2 PENDING 1734.765 3 ACK 1734.827 2 PENDING 1734.827 3 ACK 1788.875 2 PENDING 1788.875 3 ACK