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Thanks Rudi.I am working on a 2 boxes M.D with Ca 3035 and told me that the transistors in IC are similar with KT315.I will try with bc547 except the first tr who must be low noise-small signal (may be bc109).
why you do not try to use geterodyne hand receiver with Long Wave range 1200-1500 meters? thinking it is more simple way for the result. more sensitive one, imo. made in China are very cheap.
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