Morse code on Earth: via @ednmagazine

Morse code on Earth

edn.com 27 Sep '12, 12am

Morse code on Earth: via @ednmagazine

Morse code being laid down on Mars by the Curiosity Rover’s tire treads. I got a couple of messages on the theme of “Morse code? People still use that?” Many commercial and military services have abandoned Morse in favor of any one of hundreds of digital modes, delivered via HF, VHF, UHF, or satellite. Even amateur radio licensing no longer requires a test in Morse code. So why is it that on certain weekends of the year, the HF amateur bands are jam-packed with tens of thousands of hams blasting their CW signals around the world? (see notes below ) I suppose there are a few reasons. First, any active ham can tell you that CW, being a narrow-band mode, can “get through” in marginal conditions when wider-bandwidth modes (like voice) cannot. There are certainly newer digital modes using various flavors of FSK and PSK, some with error-correction built in, but these require som...

Full article: http://www.edn.com/electronics-blogs/a-ham-s-eye-view/439...

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@Paddlekey » 29 Sep '12, 7pm
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@lifranjp » 28 Sep '12, 4pm
Morse code on Earth: & check the many #comms [link] via @ednmagazine
@VA3QV » 28 Sep '12, 1pm
RT @kQ2RP: RT @kQ2RP: Morse code on Earth: [link] via @ednmagazine
@KE6ZGP » 28 Sep '12, 1pm
Morse code on Earth: [link] via @ednmagazine #hamradio
@EDNcom » 27 Sep '12, 2pm
@DavidMaliniak @Patrick_Mannion Morse code on Earth [link]
@TI2NA7U » 27 Sep '12, 2am
[link] Why Morse Code is still in use, and is it ever!! #hamr #ti2na7u
@AllenWisbey » 27 Sep '12, 1am
RT @Radiofansclub: Morse code on Earth - [link] (blog) [link]
@Engineering24x7 » 27 Sep '12, 12am
Morse code on Earth - [link] (blog) [link]
@VA7FC » 11 Oct '12, 5pm
Morse code on Earth: [link]
@LalaSahbi » 02 Oct '12, 5am
RT @Radiofansclub: RT @Radiofansclub: Morse code on Earth - [link] (blog) [link]
@GaryBastin » 28 Sep '12, 5pm
Morse code on Earth: [link] via @ednmagazine
@sr711bear » 28 Sep '12, 3pm
Morse code on Earth: [link] via @ednmagazine
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RT @kQ2RP: RT @kQ2RP: Morse code on Earth: [link] via @ednmagazine
@chrismatthieu » 28 Sep '12, 2pm
Morse code on Earth: [link] via @ednmagazine
@kQ2RP » 28 Sep '12, 1pm
Morse code on Earth: [link] via @ednmagazine
@Radiofansclub » 27 Sep '12, 1am
Morse code on Earth - [link] (blog) [link]