[Elecraft] K4 on AM

[Joe Subich, W4TV]

On 2020-03-02 11:34 AM, Grant Youngman wrote:
 >
 > A maximum around 6 KHz would be better,

Audio response greater than 3 KHz is *never* appropriate for
amateur radio.  Amateur radio is, after all, a communications
service not an entertainment medium.

As a certain FCC official said in a hamfest forum a few  years
ago, "if you want more than 3 KHz, get a *BROADCAST* license."

73,

    ... Joe, W4TV


On 2020-03-02 11:34 AM, Grant Youngman wrote:
> An audio response of 4-5 KHz isn’t unreasonable.  A maximum around 6 KHz would be better, and since it will be adjustable, the response (with relatively steep rolloff) can be tailored to be compatible with band conditions and occupancy as necessary.
> 
> I know this is a sensitive, if not plain explosive, topic in some circles — but most AM users do manage their bandwidth with common sense, and to be considerate of the rest of the community.
> 
> Grant NQ5T
> 
>> On Mar 2, 2020, at 10:46 AM, Eric Swartz <eric at elecraft.com> wrote:
>>
>> One note - Wayne is saying the K4 -audio- b/w in AM will be somewhere
>> between 4 and 5 kHz.  The actual DSB AM b/w that results will be between 8
>> and 10 kHz.
>>
>> 73,
>> Eric
>> *elecraft.com <http://elecraft.com>*
>>
>>