However , there was some resistance among the Marconi operators to the adoption of the new signal , and , as late as the April , NUMBER@1 sinking of the , the ship 's Marconi operators intermixed CQD and SOS distress calls .

However , there was some resistance among the MISC@1 operators about adopting the new signal , and , as late as the April , NUMBER@1 sinking of the MISC@2 , the ship 's Marconi operators intermixed CQD and SOS distress calls .
