WB9YPA/R 220 Repeater System Project
South Bend, IndianaFrequency: 223.980MHz
Offset: -1.600MHz
CTCSS Tone: 131.8Hz
AllStar Link Node 51560
Celebrating over four decades of on air service
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| Amgis Torroidal Transformer
            Used On The Receiver Interface PWA | 
          Original Repeater System
            Controller From 1981 Based On The Motorola 6809 CPU | 
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| Partial Schematic of
            Receiver Interface PWB (gEDA CAD screen shot) | 
          Somoco Receiver Interface
            PWB w/ Communications Specialists Tone Board | 
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| Newest Exciter Front Panel
            Status PWB w/ Peak AF Level Indicators | 
          Newest Repeater System
            Controller (Prototype) QRV-1 Using An Automotive
            Microcontroller | 
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            Schematics QRV-1 Repeater Controller (Three pages): Interconnect Circuitry  | 
          
            Documentation:  | 
          
![]() Citizens for Community Media  | 
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Copyright (C)2024 by Michael Paul sienicki