GB3NF MKII
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 GB3NF   

 

 August 1984 - March 1995

The MKII repeater was designed and constructed by Clive, G4KCM and was designed to overcome the deficiencies and problems found in the original  design.

The MKII unit consisted of the following:-RXTX01.jpg (114794 bytes)

                          An old Storno case

                          Wood & Douglass Receiver

                          Wood & Douglass Transmitter 

GB3NF Case1.jpg (120248 bytes)    The existing Jaybeam Co-linear C8/70  8.2dbi

    The existing Jaybeam dipole

    A hybrid CMOS/TTL logic control system based on a design by G3RTL

    The existing four cavity diplexer using ' Y ' or  'rats tails'  (ref G8CKN)

    The existing backup battery pack and charger   

    The existing remote shutdown system

     

 

logic2.jpg (166118 bytes)                   

More details when I manage to find them