KiwiSDR NZ
SDR MW Filter
SDR MW Filter
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Designed by John Futter ZL2J, this bandstop filter attenuates signals in the MW band 500kHz to 1.5MHz for locations that have very high levels from a nearby broadcast station. It is bandstop, not high pass so the VLF band is unaffected.
The circuit is covered in clear heatshrink for physical protection.
The MW filter is US$28 including free worldwide postage.
These will be posted in a letter envelope which normally takes 1-2 weeks to arrive but can sometimes take longer. We had one that took 10 weeks to Brazil. We have sent hundreds worldwide and they have all arrived eventually so please be patient. The letter is untracked
The Post Office here doesn't require any customs declaration on stuff that fits in a letter envelope that is less than 10mm thick and less than 100gm in weight. We have never had any reports of customs problems or any duty charged at the customer end.
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