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Showing posts from February 26, 2015

ZF1AM 1854KhZ

LSB ZF2AM heard very weak here early morning  Also PW0F was on topband  but not heard better in south / east EU  but precisely  1854kHz  is covered by some new s.m.Power? QRM I have direction west to direction the village at 1.2 km The directivity of the Beverage is clearly seen on that QRM  it is almost gone when switched to East. The QRM frequency is slightly moving around. It is about 5kHz wide only Not able to find out yet where this new one is coming from. Germanium diodes received from Mini in the box 1N34  and  1N60 type  150 pieces 4$ only received  Tested  at 431MHz  with my EME UHF directional coupler the BNC ports have calibrated attenuation I had 2 diode detectors one of them is broken. Tried to repair by inserting an pin contact diode into the BNC but overheated the diode is not easy to mount into a BNC connector.  The diode still works but derated it gives 20% less detected Voltage. That diode ...

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