Original: However, there was some resistance among the Marconi operators to the adoption of the new signal, and, as late as the April, 1912 sinking of the , the ship's Marconi operators intermixed CQD and SOS distress calls.
Simplified: However, there was some resistance among the Marconi operators about adopting the new signal, and, as late as the April, 1912 sinking of the RMS Titanic, the ship's Marconi operators intermixed CQD and SOS distress calls.