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Russian Transceiver EFIR
Russian Transceiver EFIR: by Igor Grigorov, RK3ZK
Transceiver Efir was produced since the end of 70s of the 20 Century. Functional chart of the transceiver was the same as UW3D1- 2 transceiver had. However, Efir was made all of semiconductors, it did not contained any tubes. Transceiver Efir was produced for Soviet collective amateur radio stations, but sometimes, hams can buy Efir for private amateur radio stations.
PDF file, 140 KB (ANTENTOP-02-2004, p.: 80)
Russian Transceiver EFIR-M
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