[600MRG] [sendcw] The First CW Transmitter was an Electric Alternator! The Sound of Grimeton Radio SAQ [1 Attachment]

D.J.J. Ring, Jr. n1ea at arrl.net
Fri Jul 12 22:12:16 CDT 2013


Better pictures are here, scroll DOWN.

http://www.flickriver.com/places/Sweden/Halland/Grimeton/search/



> Continuous Wave, which was different than the first type of radio which
> was spark which was Damped Waves, called Type B Modulation, while
> Continuous Wave was called CW modulation, or type A1 modulation.
> https://en.wikipedia.org/wiki/Damped_wave
>
> So we celebrate a bit of history with the first CW transmitter, the
> Alexanderson Alternator.
>
> I asked Lars Kålland, SM6NM who runs the Grimeton Radio / SAQ
> transmissions from the last remaining operational Alexanderson Alternator
> for a recording of the last transmission from SAQ.  He gave me one and I'd
> like to share it with you.
>
> Story at  http://www.grimeton.info/grimeton_radio_station.html<http://www.grimeton.info/grimeton_radio_station.html>
>
> Nice photos are at:  http://www.flickr.com/photos/cablefreak/3216881055/
>
> Recording of SAQ is here:
> http://archive.org/details/GrimetonRadioSaq201306300900UtcBroadcast
>
> 73
>
> David N1EA
>
>
>



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