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en:e-600 [2026/01/25 18:52] mboeschen:e-600 [2026/01/25 18:53] (aktuell) – [Development] mboesch
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 ==== Development ==== ==== Development ====
-Autophon developed their control receiver [[RD2679]] in 1937 and got a contract to develop the communication receiver **E39** for the Swiss Army in late 1939. It's principle was based on [[National|National's]] [[HRO]] receiver with very similar plug in coils and calibration charts. The main component, the triple tuneable condensor PW-3 mwith it's characteristic "Micrometer dial" was acquired from [[National]].+Autophon developed their control receiver [[de:rd-2679|RD2679]] in 1937 and got a contract to develop the communication receiver **E39** for the Swiss Army in late 1939. It's principle was based on [[National|National's]] [[HRO]] receiver with very similar plug in coils and calibration charts. The main component, the triple tuneable condensor PW-3 mwith it's characteristic "Micrometer dial" was acquired from [[National]].
  
 ==== Field use ==== ==== Field use ====
en/e-600.txt · Zuletzt geändert: von mboesch