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Rohde & Schwarz, München

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überarbeitet am 22.7.2010

The Munich based company Rohde & Schwarz is one of the major manufacturers of communications equipment and got an excellent reputation for their development of aircraft communications equipment, VHF- FM- equipment and measurement devices.
With the heavyweight EK 07, Rohde & Schwarz tried to catch up with Collins communications receivers - the Rohde sets surpass these as far as weight and dimensions are concerned.
The later sets EK 047 / EK 049 have also been sold under Siemens label, with tthe EK 070 presented in 1979, Rohde & Schwarz reached the top of shortwave receiver technology for commercial and military applications. The succeeding sets were the EK 085 and the fully microprocessor controlled sets of the EK 890 series. These sets have been sold with many different options as single and double receivers; only the size of the DSP receiver EK 896 still reminds the so-called boatanchor receivers - this set is still in use by commercial telecommunications operators and monitoring services.

EK 07: double conversion, 500 kHz - 30,1 MHz, AM, SSB (BFO),
12 / 6 / 63 / 1.5 / 0.6 / 0.3 kHz
EK 47: double conversion, 10 kHz - 30 MHz, AM, LSB, USB, ISB (identical to Siemens E 401)
EK 056: triple conversion, 10 kHz - 30 MHz, AM, USB, LSB EK 56, Copyright Michel Grueneberg
EK 070: double conversion, 10 kHz - 30 MHz, AM, USB, LSB
EK 085: double conversion, 10 kHz - 30 MHz, AM, USB, LSB,
100 memories
EK 890: double conversion, 10 kHz - 30 MHz, AM, LSB, USB,
1000 memories
EK 895 (1995): triple conversion, 10 kHz - 30 MHz, AM, USB, LSB, with Noise Blanker, Notch, PBT, 1000 memories
EK 896: double conversion, 10 kHz - 30 MHz, AM, USB, LSB, ISB, with Noise Blanker, Notch, PBT, DSP- Processor, 1000 memories