In 1928 a beam relay station was installed in Khadki to beam radio telegraph signals for Imperial Wireless Chain system.
12.
While land-based businesses long ago moved to using phones, fax machines and other communications technology, seamen appreciated the dependability of the radio telegraph.
13.
Mayday sounds like " m'aider, " and its use as the international distress signal was established in the 1927 International Radio Telegraph Convention.
14.
From 1920-1926 Pratt worked for the Federal Telegraph Company in Palo Alto, California, where he designed a system for commercial radio telegraph service.
15.
Subsequent to the SOLAS ) conventions established the 500kHz maritime distress frequency monitoring and mandated that all passenger-carrying ships carry licensed radio telegraph operators.
16.
Some countries, like China and Russia, have been slow to make the transition away from radio telegraph and may not change for years, Lee said.
17.
"It's like being home again, " who needed a cane to steady himself as he sat in a swivel chair before the radio telegraph machine.
18.
In 1908, the U . S . Army Signal Corps built a radio telegraph tower in town, replacing the cable telegraph system to Valdez and Seattle.
19.
At the end of World War I, the American Steamship Company became the first Great Lakes steamship company to outfit all of its vessels with radio telegraph equipment.
20.
The small stone hut that Marconi used to contain his experimental radio telegraph equipment still stands on the cliff edge at the end of the lane near Lower Cosmeston farmhouse.
