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QSL: Buerau - LoTW - DIRECT

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Ham Member Lookups: 19705

 

Locator 1: JO51FI            Antennas Summer 2017 -    2m: 2x 2M12 12EL 15.8 dBd, 3WL   6m: 6El YU7EV 9,4 dBd, 1WL    4m: Dipol

                                                                                                                      20m: 10,2m Rotary Dipol, 160m - 30m:  Sym Dipol (Doublet)

                                                                           15m Hummel-Tower

  Locator 2: JO51EL  Contest 

QRV on : 160m --- 10m, 50Mhz, 144Mhz, 432Mhz, 1296Mhz only in JO51EL - www.db0the.de

 Tower setup in 2016 :

         Tower setup Winter 2016

  • 144Mhz - 2x 2M12 M² - 15,5dBd, Transverter TR144H, SSPA 1K3
  • 432Mhz - 18 El M² 14.5dBd, 3.5m +  0.4 dB Preamp, Transverter TR432H, PA 120W Output
  • 144 Mhz - 4El-vert, 7dBd
  • Rotary Dipol 10.2m + symTuner (40-10m)
  • Sym  Dipol -  160-40m, sym Tuner 1.5kW
  • Comet CX902 - 2m 3dBdsmiley, 70cm 4dBdindecision, 23cm 1,5dBd sad, in FM, D-Star

 

2m-EME Test in 12/2015 - 4 EME QSO - 3WL, 0.4dB, 400W

 

     a few selfmade Projects     

   2m Preamp. 0.6dB, 18dB Gain  

   

 

   QRO Coupler 50Mhz - 1300Mhz      (SWR 1.02, Insert Loss 0.06dB, Return Loss 38.5dB on 432Mhz)    smiley

     

 

   KW Antennenswitch 4-fach, 2KW, Isolation more then 60dB at 30Mhz (PCB OK2ZI) 

    

 

50Mhz - 6El YU7EV Drive Element - 50Ω Unsym to 50Ω Sym Transformation, (¼λ ║¾λ)

 

   6m Preamp. 1,5dB, 23dB Gain  

    

 

   13cm Transverter - 144Mhz ZF   

 

 

DF7AP in Contest - photo collage -  JO51EL Birkenberg - nr Kaltohmfeld 540m a.s.l.

 

 

http://www.df7ap.de

 

 

 

 

 

 

 

 

 

 

 

8207873 Last modified: 2017-07-09 15:44:18, 8511 bytes

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