[AMRadio] Re: Proposed AM 9 KHz BW limitation
Donald Chester
k4kyv at hotmail.com
Tue Aug 17 19:22:28 EDT 2004
>9 KHZ seems like more than enough for AM, after all, broadcasters are
>spaced 10KHz apart, and have very good quality signals...>So, a 9 KHz limit
>would make some sense, and should be plenty. This is not about broadcasting
>or demanding telephone-quality, and what I am saying that I would not
>object to a 9KHz -26dB bandtwidth limit as matter of a station's good
>practice,... All this means is that the audio quality will be excellent
>when limited, by good operating practice, to a reasonable 3000-3500 Hz
>audio bandwidth. So, there should be no 'static' from the AM enthusiasts..
>>...
>I... do object to a 'strict' 3KHz limit on SSB bandwidth, as some older
>rigs are a bit wider, such as the GRC-106 military HF radio, which is about
>3300Hz wide at -3dB and 4KHz wide at -40dB. Maybe it won't cause a
>problem.. ...>I do appreciate that "Amateurs would not be required to be
>able to measure the bandwidth of their signals", as this relieves the
>requirement for costly equipment. I understand that it does not relieve the
>responsibility for compliance. I'm sure it will be easy to comply using
>simple instruments.
I object to ANY new additional restrictions being placed on our operation,
beyond the restrictions that already exist.
Don K4KYV
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