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mahatmakanejeeves

(57,768 posts)
Mon Apr 15, 2024, 07:24 PM Apr 15

On April 14 and 15, 1912, ships in the North Atlantic heard the wireless distress call "MGY CQD."

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Mon Apr 15, 2024: On This Day: Titanic sinks two hours forty min. after hitting an iceberg - 710 of 2,224 survive - Apr. 15, 1912

SS Birma


1914 postcard

SS Birma was a British-built transatlantic passenger ship. She was built in 1894 by Fairfield Shipbuilding and Engineering Company in Govan, United Kingdom, as Arundel Castle and later went through numerous ownership and name changes, including coming into the hands of the Russian American Line. In 1912, Birma was one of the ships to respond to the sinking of RMS Titanic. She was broken up in 1924 following acquisition by a German line after a liquidation sale.

Early history

Birma was built in Glasgow in 1894, originally as Arundel Castle, for Donald Currie's Castle Mail Packet Company (later renamed the Union-Castle Line). She made her maiden voyage from London to Port Natal in the Colony of Natal in 1895.

In 1905, Arundel Castle was sold to the East Asiatic Company (EAC) in Denmark and renamed Birma. Birma was chartered as a troop transport ship for Russia from 1905 to 1906. In late 1906 and early 1907, she carried the Danish princes Valdemar and George on their tour of the Far East, travelling with EAC founder Hans Niels Andersen. In July and August, the ship served as a royal yacht for King Frederik VIII's visit to Iceland, and near the end of the year, for King Chulalongkorn of Siam during the Mediterranean leg of his visit to Europe.

The ship was transferred in 1908 to EAC's associate company, Russian East Asiatic Steamship Company (Russian American Line). During this time, Birma was mostly used as a ship working on routes between the United States and the Netherlands.

Titanic

In April 1912, Birma was sailing from New York to Rotterdam and was fitted with a De Forest Wireless Telegraphy system. On 14 April, the ship received CQD and SOS distress messages from Titanic. Birma's wireless operator, Joseph Cannon, quickly noted down the location, as given by Titanic, of 41°46'N. 50°14'W. He asked what had happened and Titanic responded that they were sinking after having struck an iceberg. Birma's captain, informed of the situation, relayed a message to the stricken vessel that his ship was 100 nautical miles away and expecting to arrive at the given location at approximately 6:30 am on 15 April. Initially, Birma did not know that the ship in distress was Titanic, as the latter's call sign of "MGY" was so new that it was not in Birma's identification books. They were later informed by the nearby SS Frankfurt that "MGY" was Titanic.

Birma eventually reached the given co-ordinates at 7:30 am, but realised the position given by Titanic must be incorrect because of the large amount of pack ice in the vicinity; they were still 13 nautical miles from where Titanic actually sank. Birma's telegraphy room picked up messages from RMS Carpathia reporting that they had rescued Titanic survivors, and Birma offered supplies. The response from Carpathia was "shut up". This was attributed by Cannon to be part of a Marconi's Wireless Telegraph Company policy not to provide information to ships that did not use Marconi wireless sets. Further attempts at communication with Carpathia resulted in similar rebuttals aside of a standard Ship's Salute from their flags. As a result, Birma returned to her planned course and on 15 April, passed what her crew believed to be the iceberg that sank Titanic and photographed it. The crew held a memorial service on board and flew the flags of the United States and Russia at half-mast. Though they did not carry a British flag, the passengers made one and it was also flown at half-mast.


The photo of the iceberg taken on Birma

Ships with Marconi sets started passing messages to each other that Birma had picked up five lifeboats, a claim the ship's crew denied. Birma gave signed testimony about the disaster to Britain's Daily Telegraph on 25 April; this was controversial as it occurred before members of the crews of SS Californian and SS Mount Temple had given their own evidence. The later British inquiry ignored Birma's testimony, based upon prior testimony from the crew of the Californian who denied hearing Birma being told to "shut up". The American inquiry only briefly considered the charge, to which the general manager of Marconi in the United States responded that it was never company policy or general orders to ignore requests made by non-Marconi ships during emergencies. Copies of telegrams sent by Titanic that were received by Birma relating to the sinking were later placed in The National Archives in the United Kingdom.

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On April 14 and 15, 1912, ships in the North Atlantic heard the wireless distress call "MGY CQD." (Original Post) mahatmakanejeeves Apr 15 OP
"R.M.S Titanic MGY & Other Radio Arcana" sl8 Apr 16 #1

sl8

(14,055 posts)
1. "R.M.S Titanic MGY & Other Radio Arcana"
Tue Apr 16, 2024, 10:24 AM
Apr 16
http://www.oceanliner.org/titanic_radio.htm

R.M.S TITANIC = MGY & OTHER RADIO ARCANA

by Edward de Groot

CQD MGY were the letters of distress flashed from Titanic late on the night of April 14, 1912. But they were not sent in that order, they were not broadcast with ease, they were barely heard by others and, in the most potentially helpful radio shack, they were not even received at all. Yet only a very small part of all those failures can be blamed on the infancy of radio.

The letters MGY were Titanic's call sign, a registration of radio operation, like the license plates on a car. It meant simply that MGY was Titanic. If over the ether in the spring of 1912, you heard the letters MGY in Morse code, it was about Titanic, from Titanic or to Titanic. Every ship in the world with radio equipment had a specific call sign and every ship today still has one. Today the call sign is prefixed with letters of the country of registration. For England this is G but in 1912, country prefixes did not exist.

CQD was the customary distress signal until the well-known SOS got popular after the Titanic tragedy . CQD was an adaptation of the general call for attention—CQ with an added D for Danger. CQ derives from the official international postal language, French, Sécurité, (safety or, as intended here, pay attention) and not, as many still believe, "seek you". Sécurité is still a call for attention in official radio communications, used either verbally or in Morse by both professionals and ham radio operators.

Although it has often been said that SOS is much easier in Morse to recognize for both radio telegraphists and hams alike, this is untrue. First of all, SOS does not really exist at all (nor does it mean “save our souls” or “save or ship”). It is not a signal of three letters, it is a signal of nine bits or peeps, three short, three long, three short. But there is no space of separation between the short and long beeps, making it a very unusual signal, seldom heard and easily missed when first transmitted. Telegraphy protocol therefore required that it always be sent at least three times in a row.

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