  We analyze the continuous operation of the nine-qubit error correcting
Bacon-Shor code with all noncommuting gauge operators measured at the same
time. The error syndromes are continuously monitored using cross-correlations
of sets of three measurement signals. We calculate the logical error rates due
to $X$, $Y$ and $Z$ errors in the physical qubits and compare the continuous
implementation with the discrete operation of the code. We find that both modes
of operation exhibit similar performances when the measurement strength from
continuous measurements is sufficiently strong. We also estimate the value of
the crossover error rate of the physical qubits, below which continuous error
correction gives smaller logical error rates. Continuous operation has the
advantage of passive monitoring of errors and avoids the need for additional
circuits involving ancilla qubits.
