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Activity from 472 kHz to 432 MHz, all modes.

Phased verticals for 80m



Set-up for 472 kHz

Overview: TS480 (RX), HEXFET TX and power supplies

HEXFET TX. Low pass filter on the rear side, Output toroid under the fan. Oscillator is a DDS unit (30 Euro, ebay) on 944-958 kHz, followed by a (keyed) divider 4013, providing two outputs with 180 degrees phase shift, and driving two driver ic's ICL7667. FETS are IRFP360LC. Tx runs maximal 600 Watts. Efficiency 85%. The power supply is a surplus 50V telecom unit from a fleamarket ($30). TX/RX relay and CW-VOX on the right side of the board.

Tuner for tuning the 160m inverted L to 472 kHz. Estimated efficiency of the antenna: 5%



Transceivers: Kenwood TS480, Yeasu FT100, Elecraft K3, KX1.

Home made transverters and transmitters for 500 kHz, 70 MHz.

Linear: home made with 3x813, Expert 2K-FA.



Steppir 3 elements for 7-50 MHz with 1 extra director for 50 MHz and 3 extra elements for 70 MHz (thanks G4EZT, see his webside).

I  no longer use the ''trombone element" for 30/40 meters. It was not reliable. Instead, I made a 5 m long dipole 8 inch above the boom, with the director/reflector as a (tunable-) top load. Impedance about 12 Ohm, so you have to insert a 1:4 balun, but that is not very difficult (I refer to: QST june 2007). This is a very good and cheap alternative for the ''trombone"

Inverted L(s)  for 1,8 MHz.

(Phased) vertical(s) for 3,5 MHz.

Sloping dipole for 7/10,1 MHz with traps.

Beverages in 4 directions;  DHDL loops.



DXCC: nr 1 Honor roll (340) mixed and SSB, 339 CW.

160m: dxcc 309 worked and 309 cfmd, WAS and WAZ (40 zones).

DXCC challange: around 3130 band points.

50 MHz: WAC, WAZ 30 zones, DXCC 169 countries worked.

Winter time, few years ago: house, beam and inverted L

1890905 Last modified: 2015-04-20 17:41:39, 2815 bytes

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