CQD, which was common at the time, was being phased out in favor of the SOS call. This was adopted at a Radio Conference in Berlin in 1906.
Lighthouses
The crew of the Carpathia couldn't understand the Titanic's distress signals.
At about 12:10 a.m Captain Smith told Jack Phillips, titanic's wireless operator, to send out distress signals. The Olympic, the Frankfurt, and the Carpathia responded. Carpathia was the closest and Carpathia told Captain Smith it was 58 miles (93 km) away.
The Carpathia.
The ship that was closest to the Titanic was the S.S California. It did not respond to the Titanic distress signals because the wireless operator was asleep. The Capathia did respond but it was four hours away traveling at 17.5 knots.
The distress used by the wireless operators initially in the Titanic disaster was "CQD". But then they started alternating between "SOS" (which was new at the time) and CQD.
The crew of the California couldn't understand the Titanic's distress signals.
The crew of the Carpathia couldn't understand the Titanic's distress signals.
shoting and contacting other ships
The crew of the Carpathia couldn't understand the Titanic's distress signals.
SOS, but the Titanic also used the CQD distress call.
no
If you are asking about what was the distress signal the Titanic wireless operators used, it was "CQD" ("All stations: distress").
The Carpathia.
At about 12:10 a.m Captain Smith told Jack Phillips, titanic's wireless operator, to send out distress signals. The Olympic, the Frankfurt, and the Carpathia responded. Carpathia was the closest and Carpathia told Captain Smith it was 58 miles (93 km) away.
The ship that was closest to the Titanic was the S.S California. It did not respond to the Titanic distress signals because the wireless operator was asleep. The Capathia did respond but it was four hours away traveling at 17.5 knots.
c.q.d.
The distress used by the wireless operators initially in the Titanic disaster was "CQD". But then they started alternating between "SOS" (which was new at the time) and CQD.