[CW] Spark Morse Code Radio Air Check from 1910

[Richard Knoppow]

Fascinating, thank you.

On 4/5/2026 12:46 PM, D.J.J. Ring, Jr. via CW wrote:
> Spark Morse Code Radio Air Check from 1910
> 
> Transcriptions into English welcome.
> 
> Unusual recording.
> 
> 73
> David Ring N1EA
> 
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> =30=

-- 
Richard Knoppow
Los Angeles
WB6KBL
SKCC 19998