[CW] The First CW Transmitter was an Electric Alternator! The Sound of Grimeton Radio SAQ

[Stan Barr]

On 07/11/2013 14:38, D.J.J. Ring, Jr. wrote:
> This list is the CW list, and CW means 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.

This TX has been received with a mechanical receiver!
See: http://www.wireless.org.uk/mechrx.htm

-- 
Cheers and 73,
Stan Barr G0CLV GQRP-3369 FISTS-667  g0clv at dsl.pipex.com

"Never leave well enough alone." -  Raymond Loewy