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| Ferrite rings,Capacitors en Copperwire | Case and manual |
| Now that we have everything together let's build some filters |
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| Testing parallel circuit on 40 meters, quadrifilare winding |
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| 10 meter filter done | building 15 meter filter | Testing 15 meter filter |
| You notice that the filter's SWR is 1:1 on 21,4013 MHz, after closing the tin case it goes exacly to 21,250 MHz |
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| Overview of the filters (case open) |
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| Overview of the filters (case closed) |