[CW] Spark Recording Recreation by SOWP

[Kate Hutton]

Nice!  Thanks.  73 Kate K6HTN

On Mon, Dec 12, 2011 at 6:29 AM, D.J.J. Ring, Jr. <n1ea at arrl.net> wrote:

> There is a beautiful recording by the SOWP honoring RJ Richard Johnstone
> the first president of the SOWP of a recreation of the "old spark days of
> the 1910-1920 era done in 1970.
>
> http://radiomarine.org/audio/download/43
>
> Listen to the beautiful sending - this was done with hand keys (hand
> pumps) on a spark transmitter and received on a spark receiver.  Remember
> that the regenerating oscillating detector had not yet been invented in
> 1916 so the types of receivers were a type of coherer, a type of rectifying
> device such as a piece of galena crystal and a cat's whisker point contact,
> a magnetic or chemical detector.  No electronics were used in radio at that
> time.  But this would change very soon with continuous wave development
> from the early CW machines that were high speed electric alternators to now
> the electronic oscillators produced by evacuated glass bulbs with three
> elements - triodes - which could produce and also amplify radio
> oscillations and produce an output of continuous wave.  The problem with
> continuous wave was that current detectors were unable to detect it for
> aural decoding (by ear) as the CW signal had no modulation like spark did..
>
> http://radiomarine.org/audio/download/43
>
> Dick Johnstone, SS Topika/WGY calls KPM which I believe was the medium
> frequency call sign of KPH.
> Dick Johnstone was operator at KPH in 1914-17.
>
> Frank Geisel is the operator of Tenu Maru / JTY calls KPH and sends
> traffic on 600 meters (500 kc/s or 500 kHz) while WGY is sending traffic to
> KPM.  Later Frank is the operator of KHK Honolulu.
>
> Earl Willard (unsure of this name) is the operator on VRE "Nile".
>
> In this recording made in 1970 and 1985 we hear giants of the early radio
> days recreate the sounds and the procedures of the time when spark was
> king.  Thorn Mays, Commander Frank Johnstone and Frank Geisel all appear on
> this narrated recording.  Get out your mill and copy along.   Special
> thanks to Gregory DeMascio, sound engineer at KWMR, for his help with this
> recording.
>
> David J. Ring, Jr., N1EA <http://www.qsl.net/n1ea/>
> SOWP <http://www.sowp.org/>, VWOA <http://www.vwoa.org/>, OOTC<http://www.ootc.us/>
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> , A1-OP <http://www.arrl.org/a-1-op>, ex-FOC 1271 ARRL-LM<http://www.arrl.org/>
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>  -- Marine Morse Historic Recordings Page <http://www.qsl.net/n1ea/>
>
>
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