Threads Tagged with “Batterieröhren”

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    2. Projekt Röhrensummer "Deluxe" 17

      • DL1DSN
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      17
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      10k
      17

    4. DL9CHR

    2. SAQ VLF Röhrenempfänger 20

      • DL1DSN
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      20
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      6.5k
      20

    4. dm4ea