50MHz LPF.







 

 
  
Toroid/ring core 20m trap.

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PAFRI TECHNICAL INFORMATION FOR HAMS    PAFRI

ANT

ATU

MISC

Update 1

Update 2

Update 3

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Homepage since 8 nov 2003, since that day more then 7800000 visitors. 

F.H.V. Geerligs (Frits, PAØFRI, F-class license) AMATEUR OF THE YEAR 2009, QTH: Etten-Leur, the Netherlands

My previous full A-class license (Morsecode included) is converted to full F-class = CEPT T/R 61-01.

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The TravelS-Match, S-Match, and FRI-Match antenna tuners are designed by PAØFRI

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