Projects, Contesting

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Amateur Radio

SO2R     AA8CA  North Royalton, OH

07.09.2022  IARU HF
K3s/10k + KXPA100, micro KEYER 2R+, Macmini, Windows 7, Win-test.  Icom-7610, Macmini, Windows 10,Win-test. Filters 160 -10m. EFHW 80-10 from window to the tree.

01.08.2022  ARRL Roundup
FT-920, FTDX10, micro KEYER 2R+, Filters 160 -10m, iMac mini server, Windows 7, N1MM+. for SSB, RTTY. DxLog.net for CW. EFHW 80-10 from window to the tree. After simple modifications FTdx10 works with CW Skimmer.

02.06.2022
FT-920, IC-7610, micro KEYER 2R+, Filters 160 -10m, iMac mini server, Windows 7, DXLog.net +. EFHW 80-10 from window to the tree. Now IC-7610 is ready for sale.

05.25.2022
FT-920, IC-7610, micro KEYER 2R+, Filters 160 -10m, iMac mini server, Windows 7, DXLog.net +. EFHW 80-10 from window to the tree. Buying K3s was my mistake, as was everything else from Elecraft.

05.26.2022
The best solution in my conditions. FT-920, IC-7610, micro KEYER 2R+, Filters 160 -10m, iMac mini server, Windows 7, DXLog.net +. EFHW 80-10 from window to the tree.

My play station. Bandpass filters

  Frequency splitter, bandpass filters 6 bands.  Bands 10m and 80m, 15m and 160m are connected in parallel.

  Frequency splitter, bandpass filters 6 bands.  Bands 10m and 80m.

     Antenna switch for EFHW 80-10
 Two reed relays controlled by micro KEYER 2R+.  The left relay connects additional inductance  13uH  for the 160m band. The inductance  is connected to the 7th turn of the transformer.  The right relay connects the antenna to the 17th turn of the         transformer on the 80-10m

     BPF 80m

     BPF 40m

     BPF 40m

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