[Elecraft] Is there a reason the receive is so Skinny

[Joe Subich, W4TV]

In what regard?  45.45 baud/170 Hz shift Baudot RTTY is not excessively
wide and certainly within the bandwidth requirements (300 baud/1000 Hz
shift).

73,

    ... Joe, W4TV


On 4/27/2014 5:43 PM, XE3/K5ENS via Elecraft wrote:
> Joe,
>
> You shouldn't have any problem agreeing RTTY should not be
> used as a digital mode.
>
> Keith, K5ENS
>
>
>
>> I would also hope there is a time and place for more courtesy.
>
> Including maintaining a *clean*, narrow signal that does not use
> half again as much spectrum as a reasonable communications grade
> signal as defined by ITU (and NTIA).
>
>> 97.3(a)(43) Spurious emission. An emission, or frequencies outside
>> the necessary bandwidth of a transmission, the level of which may be
>> reduced without affecting the information being transmitted.
>
> (SSB) Phone = 2K80J3E => Necessary bandwidth 2.8 KHz. Emissions outside
> 2.80 KHz = "Spurious emission"
>
>> 97.307(a) No amateur station transmission shall occupy more bandwidth
>> than necessary for the information rate and emission type being
>> transmitted, in accordance with good amateur practice.
>
>> 97.307 (c) All spurious emissions from a station transmitter must be
>> reduced to the greatest extent practicable. If any spurious emission,
>> including chassis or power line radiation, causes harmful
>> interference to the reception of another radio station, the licensee
>> of the interfering amateur station is required to take steps to
>> eliminate the interference, in accordance with good engineering
>> practice.
>
> SSB greater than 2.8 KHz is neither "good engineering practice" nor
> "necessary for the information rate and emission type being transmitted".
>
> 73,
>
>      ... Joe, W4TV
>
>
>
>
>
> --
> View this message in context: http://elecraft.365791.n2.nabble.com/Is-there-a-reason-the-receive-is-so-Skinny-tp7587977p7587998.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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