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K9ZC USA flag USA

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Station K9ZC is a club station is devoted to technical improvements in the radios, amplifiers, antennas, and general accessories used in Ham Radio contesting and DXing.

Current station configuration:

HF Radios:

  • Two Icom 7800 with mods (160-6 meters).
  • Icom 781 (160-10 meters).
  • Icom 756pro II(160-10 meters).
  • Ten-Tec Omni VII for remote (internet) operation.

VHF Radios:

  • Two Icom 910H fully loaded (2M, 70cm, 1.2 Ghz)

HF Antennas:

  • 160: 130 foot Rohn 25 tower four square with phase box. 225 radials per tower. (Currently in place)
  • 80: 65 foot Rohn 25 tower four square with phase box. 225 radials per tower. (in process) Also: Three element home brew full sized yagi at 140 feet on a Rohn SSVMW. (building antenna)
  • 40: Two 4 element full sized yagis at 70 and 140 feet on rotating Rohn 65G. Lower antenna on a rotating ring. (Rings purchased).
  • 20: Three 6 element full sized yagis on 59 foot booms at 60, 120, and 180 feet on a rotating Rohn 55G tower. Lower and upper antenna on a rotating ring. (Concrete poured).
  • 15: Three 7 element full yagis on 49 foot booms at 45, 90, and 135 feet on a rotating Rohn 55G tower. Lower and upper antenna on a rotating ring. (Have hardware)
  • 10: Eight 6 element full sized 6 element yagis on 35 foot booms at 30, 60, 90, and 120 feet on a rotating Rohn 55G tower. Lower and upper antenna on a rotating ring (Have hardware).
  • Multiband: Three Force 12 C31XR antennas at 30, 60, and 90 feet, M2 3 element 40 LL at 120 feet. Five element 12/17/30 antennas at 45 and 105 feet. Two C31XRs and one 12/17/30 on rotating rings. (Have hardware).

VHF Antennas:

  • 6 Meters: Two 9 element M2 at 60 and 90 feet.
  • 2 Meters: 16 x twenty element cross polarization antennas in a 4 x 4 arrangement.
  • 70 cm: 16 x thirty two cross polarization antennas in a 4 x 4 arrangement. - 1296: Full-sized dish.

Amplifiers:

  • 160-10 Meters: Harris RF-3230 solid state amps. Henry 4K Ultra. [Note: these will all be replaced with custom SS amps for each band once time permits to complete the project].
  • 6 Meters: Henry 3006.
  • 2 Meters: Henry 3002.

Station Control:

  • All antennas controlled viaa mixof three custom microprocessor cards that have web server interfaces for in-shack or remote internet operation. Cards are fiber Ethernet back to the shack.
  • Card #1 is an 8 analog input, 16 digital input, 16 digital output device.
  • Card #2 has 8 rotor controllers that can be configured as master-slaves (for rotating rings on rotating towers) or all slave operations.
  • Card #3 is an4 input digital watt meter card that interfaces to bird line sections and sends the converted watt and SWR readings over ethernet to the position computer.

K9HZ is the trustee and manager of this station.

6278044 Last modified: 2015-07-16 00:28:14, 3710 bytes

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