AF6SA Amateur Radio Station, El Dorado Hills, California, QRA: CM98lq

Located in the foothills of the Sierra Mountains on a residential lot with CC&R antenna restrictions.
Rotatable antenae are located on the house roof and the rest are made from wires between oak trees.

Antennae on house roof: 2x9 Xpol 144MHz + 2x19 Xpol 432MHz Az/El rotatable Sat/EME.   145/220/435MHz J-pole.   W8JK HF beam.

Shack is located in an outbuilding with 240VAC/30A service, Gigabit Ehternet and AC/Heat pump.

Base Station:

  • Transceiver: Kenwood TS-2000, ICOM IC-7100
  • HF Solid state Power Amplifier Ameritron ALS-600 + upgraded LPF board, automatic band change, PIN diode QSK and RS-232 port. See my ALS 600 Retrofit project.
  • Antenna tuner LDG AT-600ProII remotely controlled with home build tuner interface.
  • Rotor controllers are home build AE-21 , remotely controlled with PstRotator software over the Wi-Fi network.
  • Home build CAT and sound interface.
  • Kenwood TM-D700 FM and Packet.
  • Kenwood TH-F6A FM base / portable.

Antennae:

  • Windom 80M-10M about 10M above ground.
  • Modified W8JK antenna.
  • Wire GP 40M-10M with inverted L extensions for 80M / 160M. 36 radials 8m to 21m long.
  • Vertical wire loop for 40M, usable on 30M and 15M with tuner.
  • 2x9 element X-polarised 144MHz  G0KSC LFA Yagi with home build polarity switch and LNA NF=0.4dB. Polarity can be switched to Horizontal, Vertical, LHCP or RHCP.
  • 2x19 element X-polarised 432MHz Yagi with home build polarity switch and LNA NF=0.5dB. Polarity can be switched to Horizontal, Vertical, LHCP or RHCP.
  • Tri Band 145/220/440 home build copper J pole.

Mobile Station:

  • Kenwood TM-742A tribander with 50/145/220 modules
  • Diamond CR-320 or A-M3B 145/220/440 ¼ GP
  • Home build 26” Hamstick for 50Mhz