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DF7AP Germany flag Germany

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QSL: - BUERAU - LoTW - DIRECT - EME QSO SAE ONLY, NO $

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Ham Member Lookups: 20533

 

Locator 1: JO51FI                       Antennas 2017 -   2m: EME 2x M² - 2M12 ,  15.8 dBd, full EL, Pre. 0.4dB, TR144H, TS590SG, SSPA

                                                                                         6m: 6El YU7EV 9,4 dBd, 1WL, IC-7300, Pre 0,9dB  (PGA103)           

                                                                                         4m: Dipol, IC-7300

                                                                         70cm: 28El M² 9WL, Pre 0.35dB, TR432H, TS590S, SSPA

                                                                         23cm: 35El, Pre 0.6dB, Transv. 144Mhz ZF, PA 140W

                                                                                                                      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.df7ap.de

 Tower setup in 10 2017 :

         Tower setup Winter 2016

  • 144Mhz - 2x 2M12 M² - 15,8dBd, 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     

144Mhz Preamp PGA-103, 2x CX-520 Koax Relais IP3 out 34dBm, 0.6dB

 

   2m Preamp. MGF1302. 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

 

 

 

 

 

 

 

 

 

 

 

8466254 Last modified: 2017-11-21 12:18:58, 10414 bytes

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