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DF7AP Germany flag Germany

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Ham Member Lookups: 21359


Locator 1: JO51FI  

Locator 2: JO51EL  in Contest     

QRV on : 160m --- 10m, 50Mhz, 144Mhz, 432Mhz, 1296Mhz only in JO51EL - www.df7ap.de

Equipment in use  2017/18

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: 4 El YU7EV 6,5 dBd, IC-7300 (when released in DL)

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

23cm: 35El, Pre 0.6dB, Transv. 144Mhz ZF, PA 40W                                                         

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

on 15m -Tower

 QRV on : 160m --- 10m, 50Mhz, 144Mhz, 432Mhz, 1296Mhz only in JO51EL - www.df7ap.de

EME :  Re-Start in  9 - 2017

last 6 month on 144Mhz:     211 new EME init - 162 EME Loc - 49 EME DXCC  -  ODX: ZL4LV  18413 km

 Tower setup in 10 2017 :


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


     a few selfmade Projects     

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


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



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



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


   13cm Transverter - 144Mhz ZF   














8689341 Last modified: 2018-03-03 14:11:13, 7020 bytes

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Mon Mar 19 14:41:42 2018 UTC
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