Electronics Pioneers & History
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 Jack Phillips, the senior wireless operator aboard the RMS Titanic, played a
crucial role in sending distress signals during the ship's sinking. When the
Titanic struck an iceberg on April 14, 1912, Phillips and his colleague Harold
Bride immediately began transmitting distress signals using Morse code.
Initially, Phillips sent out the distress call "CQD," which was the standard
distress signal at the time. However, he later adopted the newly introduced
distress signal "SOS" (· · · — — — · · ·) as it was more easily recognizable and
understood internationally. The SOS signal was not an abbreviation for any
particular phrase; it was simply chosen for its distinctiveness in Morse code.
Phillips and Bride worked tirelessly to send distress signals and communicate
with other ships in the area. Their efforts helped to alert the RMS Carpathia,
which arrived several hours later to rescue the survivors.
Tragically, both Phillips and Bride remained at their posts until the very
end and did not survive the sinking of the Titanic. Their actions in sending
distress signals and coordinating rescue efforts have been recognized as
instrumental in saving lives and are remembered as acts of heroism.
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AI Technical Trustability Update
While working on an update to my
RF Cafe Espresso Engineering Workbook project to add a couple calculators about
FM sidebands (available soon). The good news is that AI provided excellent VBA code
to generate a set of Bessel function
plots. The bad news is when I asked for a
table
showing at which modulation indices sidebands 0 (carrier) through 5 vanish,
none of the agents got it right. Some were really bad. The AI agents typically explain
their reason and method correctly, then go on to produces bad results. Even after
pointing out errors, subsequent results are still wrong. I do a lot of AI work
and see this often, even with subscribing to professional versions. I ultimately
generated the table myself. There is going to be a lot of inaccurate information
out there based on unverified AI queries, so beware.
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