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In Milano there is too much QRN and so I'm active almost only from Gavi (loc. JN44jq ) as I1/I2SUH.

I'm using a homemade transceiver, micro controlled, with 275W. It can also be connected to a PC via serial cable. On right the DDS board and below, from left, the input bandpass and the ouput lowpass filters.

DDS board

In Gavi the homemade 5-band Hexbeam antenna is at 12 meter above ground. Some SWR measurements on 14, 18 and 21 MHz. SWR is about 1:1,25on each band. Similar results on 24 and 28 MHz too.

Each vertical division represents 0.25 SWR above unit.

A new SDR RTX is under development and will be ready soon!


8006620 Last modified: 2017-04-02 12:43:32, 1619 bytes

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World Continents Award#8409
Granted: 2015-04-20 11:20:02   (I2SUH)

  • 15 Meters Mixed
  • 20 Meters Mixed
  • 15 Meters Phone
  • 20 Meters Phone
  • Mixed Phone
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