Born in may 1958. My profession is engineer in mechanics.
Other contests: IARU HF CHAMPIONSHIP SOAB MIX LP: 2005 8thWorld Wide,2006 6thWW,2007 4thWW, 2008 5th WW
In March2006 new call: ON4CT.
My toys: Yaesu FTdx5000D with 300 Hz roofing filter installed.
2m and 70cm: ALINCO DR570
General Logging: LOGGER32 with the MMTTY engine, freeware software. Digital-cw and voice keying: homemade interface.
73 DIRK ON4CT (latest update april 2014)
stress analyse of my free standing tower topload with two antennas at 160km/h windspeed , 1 unit = 1kN/cm²
software : freeware LISA (Finite Element Techology) version 7
Displacement analyse of the standing tower with two antennas @ 160km/h windload : 1 unit = 1 cm ( with LISA V7,0)
My view on the radio :
not heavy but long : optibeam dipole for 30/40 m bands
project : homemade 1:4 antenna switch
inside tower view , project : replacing a bulb on yaesu rotator controller
RTTY contesting awards on the wall, 5 Band WAZ achieved in 1992 (last zone was 29 on 40m band)
Last modified: 2014-04-04 14:38:07, 3507 bytes
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