Antique radios, Old Time Radios
5041 |
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Interval Signal (IS) / Identification (ID) |
( Deutsch / German ) |
00:00:20 |
MP3 |
126.91 KB |
Dejan Momirov 10.Jul.2019
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Record date |
10.Jul.2019 |
Recorded by |
Dejan Momirov |
Recording device |
Sony ICD-PX312 |
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Changable spark frequency makes possible to send Morse-code |
Data Compliance |
More Information |
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