K3 AM Broadcast Band Reception

[John Silva N3AM]

In addition to the KBPF3 General Coverage RX module, is the 6kHz
filter required for improved quality AM reception?


Thanks,
John N3AM

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[Don Wilhelm-4]

John,

AM reception in SSB mode will allow you to receive with good quality (up
to 2.8 kHz of audio passband).  With the 6 kHz filter, you will be able
to receive an audio passband up to 3kHz wide in AM mode.  The audio
should sound the same either way

So the answer is - if you want to avoid the hetrodynes while tuning in
SSB mode, yes, you will want to tune in AM mode and that will require
the 6 kHz filter - if you don't mind the hetrodynes (only while tuning),
then the 2.7 or 2..8 kHz filter will be fine.  Once the AM station is
properly tuned, there should be no hetrodynes heard.

The 6 kHz filter is required for AM transmission.

73,
Don W3FPR

John Silva N3AM wrote:
> In addition to the KBPF3 General Coverage RX module, is the 6kHz
> filter required for improved quality AM reception?
>
>
> Thanks,
> John N3AM
>
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